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anchor-x402

R0· no sign-in

x402-paid agent tools: 18 over HTTP, 14 over stdio. USDC per call, no API key.

v0.3.2 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality89good
Trust94of 100
Uptime, 30 days100%
Latency p50259 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "anchor-x402": {
      "type": "http",
      "url": "https://api.anchor-x402.com/mcp"
    }
  }
}
claude mcp add --transport http anchor-x402 https://api.anchor-x402.com/mcp
[mcp_servers.anchor-x402]
url = "https://api.anchor-x402.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "anchor-x402": {
      "type": "remote",
      "url": "https://api.anchor-x402.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "anchor-x402": {
      "type": "http",
      "url": "https://api.anchor-x402.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=anchor-x402&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYXBpLmFuY2hvci14NDAyLmNvbS9tY3AifQ%3D%3D"
}
{
  "servers": {
    "anchor-x402": {
      "type": "http",
      "url": "https://api.anchor-x402.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "anchor-x402": {
      "httpUrl": "https://api.anchor-x402.com/mcp"
    }
  }
}
extensions:
  "anchor-x402":
    enabled: true
    name: "anchor-x402"
    type: streamable_http
    uri: "https://api.anchor-x402.com/mcp"
    timeout: 300

Quality 89 / 100good

protocol100 · weight 25
  • pass
    protocol.modernsupports 2026-07-28 (server/discover)
  • pass
    protocol.statelessanswers without a session
  • pass
    protocol.transportstreamable HTTP
  • pass
    protocol.list_ttltool list is cacheable (ttlMs 3600000)
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 hygiene86 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations18 of 18 tools declare readOnlyHint or destructiveHint
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: resolve_name (destructiveHint, idempotentHint); aura_read (destructiveHint, idempotentHint); roast_target (destructiveHint, idempotentHint); …
  • pass
    tools.token_costabout 3,014 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changes1 tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependencies67 · weight 15
  • pass
    deps.known_vulnsno known advisory in 116 resolved packages
  • fail
    deps.mcp_sdk_version@modelcontextprotocol/sdk 1.30.1 has 1 known advisory (GHSA-6qxp-vccf-f47h); update @modelcontextprotocol/sdk to 1.31.0 or later
  • pass
    deps.resolvable[email protected] resolved: 116 packages

18 tools, about 3,014 tokens to load them all · tool set 3e7414b2148a · tools last changed 2026-10-18 · checked 2026-10-20 14:21 UTC

Tool changes

  • screen_walletchangeddescription
    before

    Wallet risk pre-flight for agent payments: OFAC SDN sanctions plus address-reputation (drainer, phishing, mixer, laundering) resolved to an allow/review/block recommendation with per-signal detail. $0.02 USDC.

    after · 94% of words in common

    Wallet risk pre-flight for agent payments: OFAC SDN sanctions plus address-reputation (drainer, phishing, mixer, laundering) resolved to an allow/review/block recommendation with per-signal detail. $0.005 USDC.

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

provenance90
liveness100
freshness85
hygiene100

+repository +namespace-matches-repo +website +reachable +uptime-100% ~updated-67d-ago

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

Dependencies

[email protected] npm115 dependencies, resolved · MCP SDK @modelcontextprotocol/sdk 1.30.1 · advisories checked 2026-10-19

advisoryseveritypackagefixed in
GHSA-6qxp-vccf-f47hMCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP serverhigh@modelcontextprotocol/[email protected]MCP SDK, directfixed in 1.31.0

Dependency graphs from deps.dev; advisories from OSV.dev, including the GitHub Advisory Database and the PyPI Advisory Database; all CC BY 4.0. The graph is what a clean install of this version resolves today; nothing was installed or run. How it is checked.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://api.anchor-x402.com/mcp streamable-httpnoneyes100%259 ms2026-07-28, 2025-11-25, 2025-06-18, 2025-03-262026-10-20
packageregistryversionruntimesecrets
anchor-x402-mcpnpm0.2.3npxANCHOR_WALLET_PRIVATE_KEY

Tools (18)

anchor_hashAnchor a 32-byte hash to Base + Solana mainnet in parallel. Returns both tx URLs as cryptographic proof of when the hash existed. $0.005 USDC.
attest_decisionAttest a decision over (input_hash, output_hash, decision): sign it yourself, or omit the signature and the treasury signs for you — then dual-chain anchor. Returns the signer, on-chain proof URLs, and a free re-verify URL. $0.010 USDC.
aura_readread-onlyRead the aura of anything — color, tier (S/A/B/C/D/F), score 0-9999, description. $0.01 USDC.
decode_calldataread-onlyDecode raw EVM calldata into function name + typed parameters via openchain.xyz + eth_abi. EVM-only. $0.001 USDC.
decode_txread-onlyStructured decode of any mainnet transaction by hash. Supports Base, Ethereum, Solana. Mined txs cached. $0.001 USDC.
grade_targetread-onlyAcademic letter grade with red-pen marginalia for anything. $0.01 USDC.
intel_walletread-onlyUnified wallet intelligence bundle. ONE call: balances on Base + Ethereum + Solana, USDC, tx counts, ENS/SNS reverse, sanctions verdict. 8-10 parallel sources. $0.005 USDC.
investigate_walletAgent-driven wallet due diligence — multi-step investigation, signed markdown report + JSON sidecar, dual-chain anchored. Async — returns job_id; poll /v1/investigate/status/{job_id} for the deliverable. ETA 5-10 min. $1.77 USDC.
ledger_reportSigned + dual-chain-anchored x402 expense report (markdown + CSV, async job). $0.35 USDC.
ledger_summaryread-onlyx402 spend accounting for any Base wallet — totals + per-service breakdown reconstructed from chain data. $0.01 USDC.
oracle_verdictYes/no oracle with dual-chain anchored verdict (Base + Solana). $0.05 USDC.
parse_datetimeread-onlyParse freeform datetime strings into ISO 8601 + components + relative time + confidence. $0.001 USDC.
resolve_nameread-onlyCross-chain name resolution: ENS (.eth) and Bonfida SNS (.sol). Returns resolved address(es). 1h cache. $0.001 USDC.
roast_targetread-onlyWitty roast of any target — wallet, tweet, idea, code, anything. $0.05 USDC.
roll_randomVerifiable RNG — cryptographically-random integer(s) signed by the treasury key. Drop-in VRF for game studios. $0.001 USDC.
screen_walletread-onlyWallet risk pre-flight for agent payments: OFAC SDN sanctions plus address-reputation (drainer, phishing, mixer, laundering) resolved to an allow/review/block recommendation with per-signal detail. $0.005 USDC.
tldr_textread-onlySummarize a URL or pasted text into 3-5 concise bullets. $0.01 USDC.
token_priceread-onlyUSD spot price for any major token. By symbol or chain+contract. CoinGecko-backed, 60s cache. $0.001 USDC.

Schemas: list_tools.

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More from io.github.hypeprinter007-stack

Official server.json
{
  "name": "io.github.hypeprinter007-stack/anchor-x402",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://api.anchor-x402.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.3.2",
  "packages": [
    {
      "version": "0.2.3",
      "transport": {
        "type": "stdio"
      },
      "identifier": "anchor-x402-mcp",
      "runtimeHint": "npx",
      "registryType": "npm",
      "registryBaseUrl": "https://registry.npmjs.org",
      "environmentVariables": [
        {
          "name": "ANCHOR_WALLET_PRIVATE_KEY",
          "isSecret": true,
          "isRequired": true,
          "description": "EVM private key (0x-prefixed hex). The wallet pays for x402 calls in USDC on Base mainnet. Fund with USDC before use."
        }
      ]
    }
  ],
  "repository": {
    "url": "https://github.com/hypeprinter007-stack/anchor-x402-mcp",
    "source": "github"
  },
  "websiteUrl": "https://anchor-x402.com",
  "description": "x402-paid agent tools: 18 over HTTP, 14 over stdio. USDC per call, no API key."
}