Attest for Claude.ai

io.github.attestagents/attest-mcp

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

client:Claude.ai transport:streamable-http runtime:npm tools:2

Install Attest in Claude.ai

Settings → Connectors → Add custom connector

https://attestagent.org/api/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

attest_scan
attest_guard

Attest in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Attest MCP server