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x402 Tools

R0· no sign-in

Pay-per-call research tools for AI agents, paid via x402 USDC. Remote MCP, one free tool.

v1.1.0 · active · repository · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality73needs work
Trust94of 100
Uptime, 30 days96%
Latency p502304 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "x402-tools-mcp": {
      "type": "http",
      "url": "https://fitze-x402-seller.app.workbuddy.host/mcp"
    }
  }
}
claude mcp add --transport http x402-tools-mcp https://fitze-x402-seller.app.workbuddy.host/mcp
[mcp_servers.x402-tools-mcp]
url = "https://fitze-x402-seller.app.workbuddy.host/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "x402-tools-mcp": {
      "type": "remote",
      "url": "https://fitze-x402-seller.app.workbuddy.host/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "x402-tools-mcp": {
      "type": "http",
      "url": "https://fitze-x402-seller.app.workbuddy.host/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=x402-tools-mcp&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vZml0emUteDQwMi1zZWxsZXIuYXBwLndvcmtidWRkeS5ob3N0L21jcCJ9"
}
{
  "servers": {
    "x402-tools-mcp": {
      "type": "http",
      "url": "https://fitze-x402-seller.app.workbuddy.host/mcp"
    }
  }
}
{
  "mcpServers": {
    "x402-tools-mcp": {
      "httpUrl": "https://fitze-x402-seller.app.workbuddy.host/mcp"
    }
  }
}
extensions:
  "x402-tools-mcp":
    enabled: true
    name: "x402-tools-mcp"
    type: streamable_http
    uri: "https://fitze-x402-seller.app.workbuddy.host/mcp"
    timeout: 300

Quality 73 / 100needs work

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: token_intel (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); web_brief (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); stock_quote (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 1,460 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability75 · weight 15
  • warn
    stability.changes42 tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

13 tools, about 1,460 tokens to load them all · tool set 3e67b26b8c56 · tools last changed 2026-10-03 · checked 2026-10-20 14:54 UTC

Tool changes

  • fda_recallschangeddescription
    before

    $0.05 per call — FDA recall enforcement reports from open.fda.gov (no key, rate-limited). Params: type = food|drug|device (default food); reason = free-text filter; limit = max records (default 10). Returns recall reason, status, date and product description for each match.

    after · 95% of words in common

    $0.02 per call — FDA recall enforcement reports from open.fda.gov (no key, rate-limited). Params: type = food|drug|device (default food); reason = free-text filter; limit = max records (default 10). Returns recall reason, status, date and product description for each match.

  • sec_edgar_searchchangeddescription
    before

    $0.05 per call — SEC EDGAR full-text search (efts.sec.gov, no key). Find filings by term. Params: q = search term (required); forms = comma list e.g. 10-K,8-K; limit = max hits (default 10). Returns filing date, company, CIK and accession number for each hit.

    after · 96% of words in common

    $0.02 per call — SEC EDGAR full-text search (efts.sec.gov, no key). Find filings by term. Params: q = search term (required); forms = comma list e.g. 10-K,8-K; limit = max hits (default 10). Returns filing date, company, CIK and accession number for each hit.

  • exchange_rateschangeddescription
    before

    $0.005 per call — Live fiat exchange rates (open.er-api.com, no key, ~200 currencies). Params: base = ISO code (default USD); to = comma list or single code (default EUR,GBP,JPY,CNY). Returns rates and the last-update timestamp.

    after · 95% of words in common

    $0.002 per call — Live fiat exchange rates (open.er-api.com, no key, ~200 currencies). Params: base = ISO code (default USD); to = comma list or single code (default EUR,GBP,JPY,CNY). Returns rates and the last-update timestamp.

  • open_meteo_weatherchangeddescription
    before

    $0.005 per call — Current weather from Open-Meteo (no API key, no signup). Given lat/lon returns temperature (C), apparent temperature, humidity, wind speed, precipitation and a WMO weather code. Params: lat, lon (required).

    after · 94% of words in common

    $0.002 per call — Current weather from Open-Meteo (no API key, no signup). Given lat/lon returns temperature (C), apparent temperature, humidity, wind speed, precipitation and a WMO weather code. Params: lat, lon (required).

  • usgs_earthquakeschangeddescription
    before

    $0.005 per call — Recent earthquakes from the USGS GeoJSON feed (no API key). Returns magnitude, place, time, depth and coordinates for each event. Params: period = hour|day|week (default day); minmag = minimum magnitude (default 0); limit = max events (default 20).

    after · 95% of words in common

    $0.002 per call — Recent earthquakes from the USGS GeoJSON feed (no API key). Returns magnitude, place, time, depth and coordinates for each event. Params: period = hour|day|week (default day); minmag = minimum magnitude (default 0); limit = max events (default 20).

  • web_briefchangeddescription
    before

    $0.05 per call — Multi-source research brief from 1–3 URLs. For each source extract title, meta description, key sentences (numbered/quoted/date-or-figure-bearing) and outbound links. Returns a structured, citable brief other agents can consume without their own web access.

    after · 95% of words in common

    $0.02 per call — Multi-source research brief from 1–3 URLs. For each source extract title, meta description, key sentences (numbered/quoted/date-or-figure-bearing) and outbound links. Returns a structured, citable brief other agents can consume without their own web access.

  • repo_diligencechangeddescription
    before

    $0.25 per call — Deep GitHub repo due-diligence: base snapshot + last 5 commits (author/date/message), contributor count, archived flag, security-policy presence, latest release cadence and open/closed issue ratio. Use to decide whether to depend on or contribute to a repo before trusting it.

    after · 96% of words in common

    $0.03 per call — Deep GitHub repo due-diligence: base snapshot + last 5 commits (author/date/message), contributor count, archived flag, security-policy presence, latest release cadence and open/closed issue ratio. Use to decide whether to depend on or contribute to a repo before trusting it.

  • token_intelchangeddescription
    before

    $0.01 per call — Base ERC-20 due-diligence: on-chain name, symbol, decimals and total supply via eth_call. Use to sanity-check a Base token address before interacting with it.

    after · 94% of words in common

    $0.005 per call — Base ERC-20 due-diligence: on-chain name, symbol, decimals and total supply via eth_call. Use to sanity-check a Base token address before interacting with it.

  • github_repochangeddescription
    before

    $0.01 per call — GitHub repo snapshot: stars, forks, open-issue count, watchers, primary language, SPDX license, created/pushed dates and latest release tag. Use to triage a repo before contributing or depending on it.

    after · 94% of words in common

    $0.005 per call — GitHub repo snapshot: stars, forks, open-issue count, watchers, primary language, SPDX license, created/pushed dates and latest release tag. Use to triage a repo before contributing or depending on it.

  • domain_intelchangeddescription
    before

    $0.01 per call — Domain due-diligence bundle: RDAP registrar + creation/expiry dates + status, DNS records (A/MX/NS/TXT), and Certificate Transparency history via crt.sh. Use to vet a domain before trusting or linking to it.

    after · 94% of words in common

    $0.005 per call — Domain due-diligence bundle: RDAP registrar + creation/expiry dates + status, DNS records (A/MX/NS/TXT), and Certificate Transparency history via crt.sh. Use to vet a domain before trusting or linking to it.

Showing the latest 10. Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 94 / 100

provenance80
liveness99
freshness100
hygiene100

+repository +namespace-matches-repo +reachable +uptime-96% +updated-28d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://fitze-x402-seller.app.workbuddy.host/mcp streamable-httpnoneyes96%2304 ms2025-11-252026-10-20

Tools (13)

domain_intel$0.005 per call — Domain due-diligence bundle: RDAP registrar + creation/expiry dates + status, DNS records (A/MX/NS/TXT), and Certificate Transparency history via crt.sh. Use to vet a domain before trusting or linking to it.
exchange_rates$0.002 per call — Live fiat exchange rates (open.er-api.com, no key, ~200 currencies). Params: base = ISO code (default USD); to = comma list or single code (default EUR,GBP,JPY,CNY). Returns rates and the last-update timestamp.
fda_recalls$0.02 per call — FDA recall enforcement reports from open.fda.gov (no key, rate-limited). Params: type = food|drug|device (default food); reason = free-text filter; limit = max records (default 10). Returns recall reason, status, date and product description for each match.
free_url_checkFREE — FREE: check whether a public URL is reachable and what it is. Returns HTTP status, final URL after redirects, content type and page title. Use web_fetch (paid) for full text and links.
github_repo$0.005 per call — GitHub repo snapshot: stars, forks, open-issue count, watchers, primary language, SPDX license, created/pushed dates and latest release tag. Use to triage a repo before contributing or depending on it.
open_meteo_weather$0.002 per call — Current weather from Open-Meteo (no API key, no signup). Given lat/lon returns temperature (C), apparent temperature, humidity, wind speed, precipitation and a WMO weather code. Params: lat, lon (required).
repo_diligence$0.03 per call — Deep GitHub repo due-diligence: base snapshot + last 5 commits (author/date/message), contributor count, archived flag, security-policy presence, latest release cadence and open/closed issue ratio. Use to decide whether to depend on or contribute to a repo before trusting it.
sec_edgar_search$0.02 per call — SEC EDGAR full-text search (efts.sec.gov, no key). Find filings by term. Params: q = search term (required); forms = comma list e.g. 10-K,8-K; limit = max hits (default 10). Returns filing date, company, CIK and accession number for each hit.
stock_quote$0.01 per call — Real-time stock quotes: price, change, change percent, open, high, low, volume, turnover, currency and exchange timestamp. Covers A-shares (sh600000, sz000001), Hong Kong (hk00700) and US (usAAPL or plain AAPL). Accepts several symbols at once separated by commas. No API key needed, sourced from Tencent qt.gtimg.cn with a Nasdaq fallback for US tickers.
token_intel$0.005 per call — Base ERC-20 due-diligence: on-chain name, symbol, decimals and total supply via eth_call. Use to sanity-check a Base token address before interacting with it.
usgs_earthquakes$0.002 per call — Recent earthquakes from the USGS GeoJSON feed (no API key). Returns magnitude, place, time, depth and coordinates for each event. Params: period = hour|day|week (default day); minmag = minimum magnitude (default 0); limit = max events (default 20).
web_brief$0.02 per call — Multi-source research brief from 1–3 URLs. For each source extract title, meta description, key sentences (numbered/quoted/date-or-figure-bearing) and outbound links. Returns a structured, citable brief other agents can consume without their own web access.
web_fetch$0.005 per call — Fetch a public URL and return status, final URL, title, cleaned text (scripts/styles stripped, truncated) and the top 20 absolute links. Useful when an agent itself cannot reach the open web.

Schemas: list_tools.

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Official server.json
{
  "name": "io.github.foxxx009/x402-tools-mcp",
  "title": "x402 Tools",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json",
  "remotes": [
    {
      "url": "https://fitze-x402-seller.app.workbuddy.host/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.1.0",
  "repository": {
    "url": "https://github.com/foxxx009/x402-tools-mcp",
    "source": "github"
  },
  "description": "Pay-per-call research tools for AI agents, paid via x402 USDC. Remote MCP, one free tool."
}