MCP server

Attest

io.github.attestagents/attest-mcp

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

Scan agent payment endpoints (x402, AP2, L402, MPP, 402) for a trust grade A-F before paying.

Website Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

2

Token cost

About 398 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

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

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 attest-mcp https://attestagent.org/api/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.attest-mcp]
url = "https://attestagent.org/api/mcp"

Gemini CLI

{"mcpServers":{"attest-mcp":{"httpUrl":"https://attestagent.org/api/mcp"}}}

Cursor

{"mcpServers":{"attest-mcp":{"url":"https://attestagent.org/api/mcp"}}}

VS Code

{"servers":{"attest-mcp":{"type":"http","url":"https://attestagent.org/api/mcp"}}}

Antigravity

agy mcp add attest-mcp https://attestagent.org/api/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":"attest-mcp","server_url":"https://attestagent.org/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"attest-mcp","server_url":"https://attestagent.org/api/mcp"}

Tools

• attest_guard ~315 tokens
  Verify a live 402 payment offer at the moment of spend. Pass the EXACT offer you just received (url, payTo, amount, asset, network) and get an allow / warn / block verdict with machine-readable reasons: wallet mismatch vs the verified payout wallet, price swaps vs the last verified quote, danger fla
• attest_scan ~83 tokens
  Scan an agent payment endpoint (x402 / HTTP 402) and return a letter grade A to F with a safety verdict before paying.

Browse

• GitHub tools
• Payments
• GitHub and code hosting

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