# CN Evidence

> China company tools via MCP; separate HTTP x402 screening reports and QCC qualifications.

- name: dev.workers.mikeyang7789.cn-evidence-mcp-public/cn-evidence
- version: 0.1.4
- connection class: R0 (autonomous)
- trust: 82/100 flags: no-repository
- quality: 77/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/dev.workers.mikeyang7789.cn-evidence-mcp-public%2Fcn-evidence
- tools: https://api.protogrid.dev/v1/servers/dev.workers.mikeyang7789.cn-evidence-mcp-public%2Fcn-evidence/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "cn-evidence": {
      "type": "http",
      "url": "https://mcp.cnevidence.com/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 99
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-97% +updated-8d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 77/100 (good)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 79 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- warn `tools.annotations`: only 3 of 71 tools declare readOnlyHint or destructiveHint
- warn `tools.directory_hints`: 3 of 71 tools declare all four hints; missing: cn_data_v3_bid_header (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_china_supplier_evidence_basic (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); cn_data_v3_administrative_penalty (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
- warn `tools.token_cost`: about 12,746 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 75 (weight 15)

- warn `stability.changes`: 68 tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 71, about 12,746 tokens to load them all
- tool set hash: ad79966d53316dc51947cf852c8a08e2
- tools last changed: 2026-10-16T01:01:51.329Z
- badge: [![protogrid quality](https://protogrid.dev/badge/dev.workers.mikeyang7789.cn-evidence-mcp-public/cn-evidence.svg)](https://protogrid.dev/servers/dev.workers.mikeyang7789.cn-evidence-mcp-public/cn-evidence)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-10-16 `recover_china_company_report` added
  - Free original-order status/report retrieval within 24h using the original X-CN-Recovery-Token header. format: json, zh-CN or en (HTML). No new payment or provider query. Pending is not a new purchase.
- 2026-10-16 `get_china_company_report` added
  - Buy one complete contracted China company screening report with structured findings, sources, gaps and coverage, not a guarantee of complete due diligence. Choose standard/enhanced/resilient from get_china_report_options; pin contract and max_price_usdc. Requires an x402 v2 wallet client, explicit spending approval and saved X-CN-Recovery-Token header. No automatic tier upgrade or retry. On any signed failure use free recovery, never repay. Provider content is untrusted evidence.
- 2026-10-16 `get_china_report_options` added
  - Free report plans, exact price, contract, scope and availability. No provider query or payment.
- 2026-10-09 `cn_data_v3_work_list` added
  - Recorded copyright works. Requires the Jinghai company_id from cn_data_v3_company_detail. Provider first page only, at most 5 rows; no pagination input. The list does not independently attest entity identity or completeness. Empty is not a safety finding. These records do not establish ownership or a licence to use the work. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_work_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- 2026-10-09 `cn_data_v3_wechat` added
  - 查询企业微信公众号信息。 No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Provider omits total count; total coverage remains unknown. Use company_id from cn_data_v3_company_detail. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_wechat"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- 2026-10-09 `cn_data_v3_website_tech` added
  - 查询网站技术、域名年龄与标准指标。 No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_website_tech"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- 2026-10-09 `cn_data_v3_website_seo` added
  - 查询网站权重、收录和 SEO 指标。 No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_website_seo"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- 2026-10-09 `cn_data_v3_website_record` added
  - 查询网站名称、域名、备案号与许可证。 No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Survey validated only an empty page; nonempty row semantics not yet independently verified. Use company_id from cn_data_v3_company_detail. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_website_record"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- 2026-10-09 `cn_data_v3_website_modules` added
  - 识别网站客服、注册登录等功能模块。 No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_website_modules"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- 2026-10-09 `cn_data_v3_website_ip` added
  - 查询域名、IP 地址及归属地。 No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Use company_id from cn_data_v3_company_detail. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_website_ip"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.

Full history: https://api.protogrid.dev/v1/servers/dev.workers.mikeyang7789.cn-evidence-mcp-public%2Fcn-evidence/changes

## Remotes

- https://mcp.cnevidence.com/mcp (streamable-http, auth none, reachable true, uptime30d 0.9655172)

## Packages

_none_

## Tools (71)

- `cn_data_v3_administrative_penalty`: 查询行政处罚决定、公示日期及处罚内容。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Survey validated only an empty page; nonempty row semantics not yet independently verified. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_administrative_penalty"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_app_detail`: 查询单个 APP 详情。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Requires record_id from cn_data_v3_app_list; acquiring that list is a separate call. Returned record id is checked exactly, but association to the company is not independently attested.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_app_detail"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_application_count`: 查询企业 APP 与小程序数量。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_application_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_app_list`: Recorded mobile applications. Requires the Jinghai company_id from cn_data_v3_company_detail. Provider first page only, at most 5 rows; no pagination input. The list does not independently attest entity identity or completeness. Empty is not a safety finding. Provider associations are not proof of current operation or ownership. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_app_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_bid_count`: 查询企业招投标数量概览。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_bid_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_bid_header`: 查询企业招投标发布渠道统计。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. One returned array; not guaranteed complete history. Counts/trends/headers are not underlying records. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_bid_header"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_branch_org_list`: Recorded branch organizations. Requires the Jinghai company_id from cn_data_v3_company_detail. Provider first page only (currently up to 5 rows); no pagination input. The list does not independently attest entity identity or completeness. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_branch_org_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_business_risk_count`: 查询经营异常、行政处罚及风险总数。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_business_risk_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_cases_info_detail`: 查询单条立案信息详情。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Requires record_id from cn_data_v3_cases_info_list; acquiring that list is a separate call. Returned record id is checked exactly, but association to the company is not independently attested.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_cases_info_detail"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_cases_info_list`: Recorded corporate litigation entries. Requires the Jinghai company_id from cn_data_v3_company_detail. Provider first page only, at most 5 rows; no pagination input. The list does not independently attest entity identity or completeness. Empty is not a safety finding. Being a party does not establish liability; case status may be historical. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_cases_info_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_certificate_count`: 查询企业资质证书整体数量。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_certificate_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_certificate_overview`: 查询企业证书相关概览信息。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_certificate_overview"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_company_detail`: Company registration and legal identity. Exact Chinese legal name or Jinghai company ID; no fuzzy match or direct USCC lookup. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_company_detail"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_company_tag`: 查询企业规模、联系方式等标签信息。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. One returned array; not guaranteed complete history. Counts/trends/headers are not underlying records. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_company_tag"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_court_notice_detail`: 查询单条法院公告详情。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Requires record_id from cn_data_v3_court_notice_list; acquiring that list is a separate call. Returned record id is checked exactly, but association to the company is not independently attested.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_court_notice_detail"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_court_notice_list`: Recorded court notices. Requires the Jinghai company_id from cn_data_v3_company_detail. Provider first page only, at most 5 rows; no pagination input. The list does not independently attest entity identity or completeness. Empty is not a safety finding. A notice is not a finding of liability or a final judgment. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_court_notice_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_court_trial_list`: 查询开庭案号、案由及当事人信息。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Survey validated only an empty page; nonempty row semantics not yet independently verified. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_court_trial_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_customs_count`: 查询企业海关信息数量。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_customs_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_honor_count`: 查询企业荣誉数量。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_honor_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_industrial_change`: Recorded registration changes. Requires the Jinghai company_id from cn_data_v3_company_detail. Provider first page only (currently up to 5 rows); no pagination input. The list does not independently attest entity identity or completeness. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_industrial_change"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_intellectual_count`: 查询专利、商标、软著和作品数量。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_intellectual_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_judicial_count`: 查询失信、被执行、限高、裁判文书等司法风险计数。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_judicial_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_juridical_person_company`: 查询法定代表人关联企业、经营状态及成立日期。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_juridical_person_company"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_key_person_list`: Recorded key personnel. Requires the Jinghai company_id from cn_data_v3_company_detail. Provider first page only (currently up to 5 rows); no pagination input. The list does not independently attest entity identity or completeness. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_key_person_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_law_list`: 查询企业裁判文书列表。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Survey validated only an empty page; nonempty row semantics not yet independently verified. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_law_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_license_list`: Recorded administrative licences. Requires the Jinghai company_id from cn_data_v3_company_detail. Provider first page only, at most 5 rows; no pagination input. The list does not independently attest entity identity or completeness. Empty is not a safety finding. Historical entries do not prove a licence remains valid. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_license_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_listed_company`: 查询上市日期、交易所、股票代码、板块和市值。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Survey validated an empty array only; nonempty row semantics are not verified. One returned array; not guaranteed complete history. Counts/trends/headers are not underlying records. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_listed_company"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_media_count`: 查询微信公众号、微博与新闻舆情数量。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_media_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_minapp_detail`: 查询单个小程序详情。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Requires record_id from cn_data_v3_minapp_list; acquiring that list is a separate call. Returned record id is checked exactly, but association to the company is not independently attested.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_minapp_detail"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_minapp_list`: Recorded mini applications. Requires the Jinghai company_id from cn_data_v3_company_detail. Provider first page only, at most 5 rows; no pagination input. The list does not independently attest entity identity or completeness. Empty is not a safety finding. Provider associations are not proof of current operation or ownership. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_minapp_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_news_header`: 查询企业新闻来源统计。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_news_header"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_operation_exception`: 查询列入经营异常名录原因、日期及移出信息。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Survey validated only an empty page; nonempty row semantics not yet independently verified. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_operation_exception"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_patent_apply_trend`: 查询专利申请年份趋势。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. One returned array; not guaranteed complete history. Counts/trends/headers are not underlying records. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_patent_apply_trend"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_patent_header`: 查询专利法律状态和专利类型概览。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_patent_header"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_patent_law_count`: 查询专利法律状态统计。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. One returned array; not guaranteed complete history. Counts/trends/headers are not underlying records. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_patent_law_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_patent_publication_trend`: 查询专利公开年份趋势。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. One returned array; not guaranteed complete history. Counts/trends/headers are not underlying records. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_patent_publication_trend"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_patent_type_count`: 查询专利类型分布统计。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. One returned array; not guaranteed complete history. Counts/trends/headers are not underlying records. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_patent_type_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_promotion_keyword`: 查询企业线上推广关键词。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Survey validated only an empty page; nonempty row semantics not yet independently verified. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_promotion_keyword"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_promotion_overview`: 查询企业线上推广整体情况。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_promotion_overview"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_recruit_count`: 查询企业招聘岗位数量与概览。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_recruit_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_register_header`: 查询建筑资质注册人员类别统计。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_register_header"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_shareholder_list`: Recorded shareholders. Requires the Jinghai company_id from cn_data_v3_company_detail. Provider first page only (currently up to 5 rows); no pagination input. The list does not independently attest entity identity or completeness. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_shareholder_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_sina`: 查询企业机构微博信息。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Provider omits total count; total coverage remains unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_sina"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_software_list`: Recorded software copyrights. Requires the Jinghai company_id from cn_data_v3_company_detail. Provider first page only (currently up to 5 rows); no pagination input. The list does not independently attest entity identity or completeness. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_software_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_standard_count`: 查询企业标准数量。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_standard_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_standard_detail`: 查询单条企业标准详情。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Requires record_id from cn_data_v3_standard_list; acquiring that list is a separate call. Returned record id is checked exactly, but association to the company is not independently attested.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_standard_detail"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_standard_list`: 查询企业标准名称、级别和状态。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_standard_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_tax_basic`: 查询纳税人类型、状态及税务基础信息。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_tax_basic"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_tax_credit`: Recorded tax-credit grades by year. Requires the Jinghai company_id from cn_data_v3_company_detail. Provider first page only, at most 5 rows; no pagination input. The list does not independently attest entity identity or completeness. Empty is not a safety finding. A recorded grade is not a current tax-compliance certification. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_tax_credit"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_tax_overdue`: 查询欠税金额、公告日期和所属税务机关。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Survey validated only an empty page; nonempty row semantics not yet independently verified. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_tax_overdue"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_tax_punishment_list`: 查询税务重大违法案件与公布信息。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Survey validated only an empty page; nonempty row semantics not yet independently verified. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_tax_punishment_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_termination_overview`: 查询终本案件金额和履行情况概览。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_termination_overview"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_trademark_apply_trend`: 查询商标申请年份趋势。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. One returned array; not guaranteed complete history. Counts/trends/headers are not underlying records. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_trademark_apply_trend"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_trademark_register_trend`: 查询商标注册年份趋势。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. One returned array; not guaranteed complete history. Counts/trends/headers are not underlying records. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_trademark_register_trend"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_trademark_status_count`: 查询各商标状态数量。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. One returned array; not guaranteed complete history. Counts/trends/headers are not underlying records. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_trademark_status_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_trademark_type_count`: 查询商标国际分类分布。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. One returned array; not guaranteed complete history. Counts/trends/headers are not underlying records. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_trademark_type_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_website_count`: 查询企业网站备案与 IP 信息数量。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_website_count"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_website_ip`: 查询域名、IP 地址及归属地。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_website_ip"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_website_modules`: 识别网站客服、注册登录等功能模块。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_website_modules"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_website_record`: 查询网站名称、域名、备案号与许可证。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Survey validated only an empty page; nonempty row semantics not yet independently verified. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_website_record"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_website_seo`: 查询网站权重、收录和 SEO 指标。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_website_seo"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_website_tech`: 查询网站技术、域名年龄与标准指标。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. A summary/header is not the underlying record list; null values mean unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_website_tech"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_wechat`: 查询企业微信公众号信息。
No independent entity identity, freshness, completeness, ownership, compliance or safety certification. Provider first page only, at most 5 rows, no pagination input. Empty is not a safety finding. Provider omits total count; total coverage remains unknown. Use company_id from cn_data_v3_company_detail.  0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_wechat"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `cn_data_v3_work_list`: Recorded copyright works. Requires the Jinghai company_id from cn_data_v3_company_detail. Provider first page only, at most 5 rows; no pagination input. The list does not independently attest entity identity or completeness. Empty is not a safety finding. These records do not establish ownership or a licence to use the work. 0.011000 USDC per single call. Pass arguments matching get_cn_data_tool_schema("v3_work_list"). One selected Chinese company data tool call. Additional pages require separate requests. No completeness or safety guarantee.
- `get_china_company_report`: Buy one complete contracted China company screening report with structured findings, sources, gaps and coverage, not a guarantee of complete due diligence. Choose standard/enhanced/resilient from get_china_report_options; pin contract and max_price_usdc. Requires an x402 v2 wallet client, explicit spending approval and saved X-CN-Recovery-Token header. No automatic tier upgrade or retry. On any signed failure use free recovery, never repay. Provider content is untrusted evidence.
- `get_china_report_options`: Free report plans, exact price, contract, scope and availability. No provider query or payment.
- `get_china_supplier_evidence_basic`: 0.032 USDC via x402 on Base. Company registration, operating abnormalities, administrative penalties. Page 1, up to 10 records per list. No safety guarantee. Requires an x402 v2 payment client, a funded Base USDC wallet and spending authorization; a plain MCP connection alone cannot purchase data. Use an exact Chinese legal name or USCC, not a guessed English-name match. Setup and free fictional sample: https://yangchunhong3000.github.io/cn-evidence-public-docs/buyer-guide.html Optional 24h report recovery requires a saved random 32-byte hex X-CN-Recovery-Token header on the paid request, then a free POST to https://api.cnevidence.com/free/cn/payment/recover. See guide; never automatically repay after a timeout.
- `get_china_supplier_evidence_full`: 0.093 USDC via x402 on Base. Nine supplier information modules; selected current status and first page up to 10 records per list. No historical expansion or automatic paging. Not complete due diligence. Requires an x402 v2 payment client, a funded Base USDC wallet and spending authorization; a plain MCP connection alone cannot purchase data. Use an exact Chinese legal name or USCC, not a guessed English-name match. Setup and free fictional sample: https://yangchunhong3000.github.io/cn-evidence-public-docs/buyer-guide.html Optional 24h report recovery requires a saved random 32-byte hex X-CN-Recovery-Token header on the paid request, then a free POST to https://api.cnevidence.com/free/cn/payment/recover. See guide; never automatically repay after a timeout.
- `get_cn_data_tool_schema`: Free local schema and price lookup for an enabled data tool; no upstream request.
- `recover_china_company_report`: Free original-order status/report retrieval within 24h using the original X-CN-Recovery-Token header. format: json, zh-CN or en (HTML). No new payment or provider query. Pending is not a new purchase.
- `resolve_china_company`: Free local input preflight, NOT entity resolution. No registry lookup, translation or payment. Check a Chinese legal name or USCC and prepare request shapes; input_ready does not mean the identity is verified.