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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "agent-verifier": {
      "type": "http",
      "url": "https://fp.packet.guru/api/v1/mcp"
    }
  }
}

claude mcp add --transport http agent-verifier https://fp.packet.guru/api/v1/mcp

[mcp_servers.agent-verifier]
url = "https://fp.packet.guru/api/v1/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "agent-verifier": {
      "type": "remote",
      "url": "https://fp.packet.guru/api/v1/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "agent-verifier": {
      "type": "http",
      "url": "https://fp.packet.guru/api/v1/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=agent-verifier&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vZnAucGFja2V0Lmd1cnUvYXBpL3YxL21jcCJ9"
}

{
  "servers": {
    "agent-verifier": {
      "type": "http",
      "url": "https://fp.packet.guru/api/v1/mcp"
    }
  }
}

{
  "mcpServers": {
    "agent-verifier": {
      "httpUrl": "https://fp.packet.guru/api/v1/mcp"
    }
  }
}

extensions:
  "agent-verifier":
    enabled: true
    name: "agent-verifier"
    type: streamable_http
    uri: "https://fp.packet.guru/api/v1/mcp"
    timeout: 300

Quality 100 / 100strong

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 86400000)

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 hygiene100 · 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.annotations1 of 1 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 157 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stability100 · weight 15

pass
stability.changes2 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

1 tools, about 157 tokens to load them all · tool set 1dab195f0829 · tools last changed 2026-10-09 · checked 2026-10-20 10:03 UTC

Tool changes

2026-10-09self_check_web_bot_authchangedoutput schema
2026-10-03self_check_web_bot_authchangedoutput schema

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 83 / 100

no-repository

provenance55

liveness100

freshness100

hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-18d-ago -no-repository

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

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://fp.packet.guru/api/v1/mcp` streamable-http	none	yes	100%	520 ms	2026-07-28, 2025-11-25, 2025-06-18, 2025-03-26	2026-10-20

Tools (1)

self_check_web_bot_authread-only Reports how the request carrying this call looks from the outside: whether its Web Bot Auth (RFC 9421) signature verified, what the key directory it named publishes, the exact fault if there is one and the sentence saying what to change, plus plain facts about the address it arrived from. Sign the call the way you sign requests to anyone else. Free, anonymous, no account. Takes no arguments: an unsigned call still gets an answer about its address.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "guru.packet/agent-verifier",
  "_meta": {
    "io.modelcontextprotocol.registry/publisher-provided": {
      "note": "Do not route calls through a proxy: the answer describes the request exactly as it arrives, so anything that re-sends it changes what the answer is about.",
      "guide": "https://packet.guru/agents/guide",
      "price": "free",
      "tools": [
        "self_check_web_bot_auth"
      ],
      "openapi": "https://packet.guru/openapi.json",
      "reference": "https://packet.guru/agents/reference",
      "documentation": "https://packet.guru/agents/mcp",
      "authentication": "none",
      "longDescription": "Free self-check for automated HTTP clients. Reports whether the calling request's Web Bot Auth (RFC 9421) signature verified, what the key directory it named publishes, the exact fault with the sentence saying what to change, and plain facts about the address it arrived from. No account, no key, no registration."
    }
  },
  "title": "Agent Verifier",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://fp.packet.guru/api/v1/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://packet.guru/agents",
  "description": "Test and debug your AI agent's Web Bot Auth (RFC 9421) signature: is it valid, and what to fix?"
}