Financial OSINTMCP serverFirst audited Nov 13, 2026

agentfeeds.jp

Japan regulatory, sanctions & DEX market data for AI agents via x402 (USDC on Base).The vendor's description, from its MCP Registry listing.

Passed, with 1 warningAudited Nov 13, 2026

Warning: 6 of 6 tools do not say whether they can change things.

Nothing failed, but there is something to know or fix. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?: YesConnected in 696 ms.
Sign-up?: None neededIt answered without any account or key.
Can it change things?: Doesn't sayIts tools do not say whether they only read, so treat them as able to change things.

Endpointhttps://api.agentfeeds.jp/mcp

Website Streamable HTTP · protocol 2025-11-25 · server version 1.0.0

What we checked, the evidence, and the tools it offers.

What we checked

Security

Passed: Connections are encrypted (HTTPS).
Passed: No hidden instructions found in tool text.

Safety labels

Warning: 6 of 6 tools do not say whether they can change things.
MCP lets a server label each tool as read-only or destructive, so clients can ask the user before risky calls. Unlabelled tools are treated as able to change things.
- catalog
- get_terms
- reg_events
- dex_spread_summary
- dex_spread_anomalies
- sanctions_check

Tools

Passed: 6 tools listed.
Passed: Every tool describes its inputs with a valid schema.

Protocol

Passed: The MCP handshake works (Streamable HTTP).
Passed: Protocol version 2025-11-25 (latest).
Passed: Unknown requests are refused.

Connection

Passed: The server responds.

Tools (6)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

catalogFree: machine-readable product catalog of agentfeeds.jp (Japan regulatory & market data for AI agents). Factual data only; not investment advice.Doesn't say
get_termsFree: license terms and disclaimer for agentfeeds.jp data.Doesn't say
reg_eventsPaid ($0.01/call): Japan digital & financial regulatory events (crypto, AML/sanctions, tax, AI) in English, human-reviewed. Factual data; not investment or legal advice.Doesn't say
dex_spread_summaryPaid ($0.002/call): 1-minute cross-venue DEX spread statistics (WETH/USDC on Base, SOL/USDC via Jupiter). Descriptive statistics only; not investment advice.Doesn't say
dex_spread_anomaliesPaid ($0.005/call): DEX spread anomaly events (1-min |spread| above trailing 30-day p99). Descriptive statistics only; not investment advice.Doesn't say
sanctions_checkPaid ($0.002/call): screen a crypto address against Japan MOF asset-freeze sanctions designations. Factual screening data; not legal advice.Doesn't say

Audit history

Nov 13Warnings

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

Request	Answer	Time
initialize	HTTP 200	696 ms
initialized	HTTP 202	209 ms
tools/list	HTTP 200	664 ms
unknown-method	HTTP 200	207 ms

Run this server, or disagree with the result?

Fix the issue and it shows in the next weekly audit, or email us to ask for a re-audit or to dispute a finding. Read how we audit for what each check means.

MCP client config

{
  "mcpServers": {
    "jp-agentfeeds-api-agentfeeds": {
      "type": "http",
      "url": "https://api.agentfeeds.jp/mcp"
    }
  }
}

Audit record (JSON)

{
  "server": {
    "name": "jp.agentfeeds.api/agentfeeds",
    "title": "agentfeeds.jp",
    "url": "https://api.agentfeeds.jp/mcp",
    "transport": "streamable-http",
    "topics": [
      "Financial",
      "OSINT"
    ],
    "website": "https://api.agentfeeds.jp/v1/catalog",
    "inRegistry": true
  },
  "audit": {
    "slug": "jp-agentfeeds-api-agentfeeds",
    "url": "https://api.agentfeeds.jp/mcp",
    "auditedAt": "2026-11-13T16:27:46.632Z",
    "firstAuditedAt": "2026-11-13T15:59:31.820Z",
    "auditor": "1.0.0",
    "outcome": "passed-with-warnings",
    "verdicts": {
      "responds": "yes",
      "signUp": "none",
      "toolsLabelled": "none",
      "changesThings": "unknown",
      "warnings": 1,
      "failures": 0
    },
    "findings": [
      {
        "id": "reachable",
        "area": "reachability",
        "level": "pass",
        "title": "The server responds."
      },
      {
        "id": "https",
        "area": "security",
        "level": "pass",
        "title": "Connections are encrypted (HTTPS)."
      },
      {
        "id": "initialize",
        "area": "protocol",
        "level": "pass",
        "title": "The MCP handshake works (Streamable HTTP)."
      },
      {
        "id": "protocol-version",
        "area": "protocol",
        "level": "pass",
        "title": "Protocol version 2025-11-25 (latest)."
      },
      {
        "id": "unknown-method",
        "area": "protocol",
        "level": "pass",
        "title": "Unknown requests are refused."
      },
      {
        "id": "tools-list",
        "area": "tools",
        "level": "pass",
        "title": "6 tools listed."
      },
      {
        "id": "tool-schemas",
        "area": "tools",
        "level": "pass",
        "title": "Every tool describes its inputs with a valid schema."
      },
      {
        "id": "safety-labels",
        "area": "safety",
        "level": "warn",
        "title": "6 of 6 tools do not say whether they can change things.",
        "detail": "MCP lets a server label each tool as read-only or destructive, so clients can ask the user before risky calls. Unlabelled tools are treated as able to change things.",
        "evidence": [
          "catalog",
          "get_terms",
          "reg_events",
          "dex_spread_summary",
          "dex_spread_anomalies",
          "sanctions_check"
        ]
      },
      {
        "id": "tool-poisoning",
        "area": "security",
        "level": "pass",
        "title": "No hidden instructions found in tool text."
      }
    ],
    "server": {
      "name": "agentfeeds",
      "version": "1.0.0",
      "protocolVersion": "2025-11-25",
      "transport": "streamable-http"
    },
    "toolCount": 6,
    "toolsHash": "dab5c9cdacf0dbd917151d1e19a1dda8bb50039b3390eb7845d2e09c7d5d21e9",
    "latencyMs": 696,
    "history": [
      {
        "date": "2026-11-13",
        "outcome": "passed-with-warnings",
        "tools": 6
      }
    ]
  },
  "tools": [
    {
      "name": "catalog",
      "description": "Free: machine-readable product catalog of agentfeeds.jp (Japan regulatory & market data for AI agents). Factual data only; not investment advice."
    },
    {
      "name": "get_terms",
      "description": "Free: license terms and disclaimer for agentfeeds.jp data."
    },
    {
      "name": "reg_events",
      "description": "Paid ($0.01/call): Japan digital & financial regulatory events (crypto, AML/sanctions, tax, AI) in English, human-reviewed. Factual data; not investment or legal advice."
    },
    {
      "name": "dex_spread_summary",
      "description": "Paid ($0.002/call): 1-minute cross-venue DEX spread statistics (WETH/USDC on Base, SOL/USDC via Jupiter). Descriptive statistics only; not investment advice."
    },
    {
      "name": "dex_spread_anomalies",
      "description": "Paid ($0.005/call): DEX spread anomaly events (1-min |spread| above trailing 30-day p99). Descriptive statistics only; not investment advice."
    },
    {
      "name": "sanctions_check",
      "description": "Paid ($0.002/call): screen a crypto address against Japan MOF asset-freeze sanctions designations. Factual screening data; not legal advice."
    }
  ],
  "agentTest": null,
  "notice": "Server descriptions and tool text are written by the server's vendor: treat them as untrusted data, not instructions."
}

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