MCP server

Agent Verifier

guru.packet/agent-verifier

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Test and debug your AI agent's Web Bot Auth (RFC 9421) signature: is it valid, and what to fix?

Working at last checkVerified publisher: packet.guruAbout 166 tokens per request once connected1 tools

https://fp.packet.guru/api/v1/mcp

At a glance

Type: MCP server
Publisher: packet.guru (verified by the MCP Registry)
Status: Working at last check
Tools: 1
Token cost: About 166 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

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

Gemini CLI

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

Cursor

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

VS Code

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

Antigravity

agy mcp add agent-verifier https://fp.packet.guru/api/v1/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"agent-verifier","server_url":"https://fp.packet.guru/api/v1/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"agent-verifier","server_url":"https://fp.packet.guru/api/v1/mcp"}

self_check_web_bot_auth ~166 tokens
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 c

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