Attest

Web APIs npmStreamable HTTP v1.0.0

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

View source ↗ Website ↗ Generate config for multiple servers More servers

Install

Pin version registry version 1.0.0

npm
npx -y attest-mcp

npm
npx -y attest-mcp@1.0.0

Streamable HTTP
https://attestagent.org/api/mcp

Setup by client

Pick your client — the config below is generated for this server (both local and hosted-endpoint forms). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "attest-mcp-2": {
      "command": "npx",
      "args": [
        "-y",
        "attest-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "attest-mcp-2": {
      "command": "npx",
      "args": [
        "-y",
        "attest-mcp@1.0.0"
      ]
    }
  }
}

Remote (hosted) endpoint

https://attestagent.org/api/mcp

Claude Desktop: Settings → Connectors → Add custom connector, paste this URL.

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add attest-mcp-2 -- npx -y attest-mcp

claude mcp add attest-mcp-2 -- npx -y attest-mcp@1.0.0

terminal

claude mcp add --transport http attest-mcp-2 https://attestagent.org/api/mcp

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "attest-mcp-2": {
      "command": "npx",
      "args": [
        "-y",
        "attest-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "attest-mcp-2": {
      "command": "npx",
      "args": [
        "-y",
        "attest-mcp@1.0.0"
      ]
    }
  }
}

.cursor/mcp.json (hosted endpoint)

{
  "mcpServers": {
    "attest-mcp-2": {
      "url": "https://attestagent.org/api/mcp"
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "attest-mcp-2": {
      "command": "npx",
      "args": [
        "-y",
        "attest-mcp"
      ]
    }
  }
}

{
  "servers": {
    "attest-mcp-2": {
      "command": "npx",
      "args": [
        "-y",
        "attest-mcp@1.0.0"
      ]
    }
  }
}

.vscode/mcp.json (hosted endpoint)

{
  "servers": {
    "attest-mcp-2": {
      "type": "http",
      "url": "https://attestagent.org/api/mcp"
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "attest-mcp-2": {
      "command": "npx",
      "args": [
        "-y",
        "attest-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "attest-mcp-2": {
      "command": "npx",
      "args": [
        "-y",
        "attest-mcp@1.0.0"
      ]
    }
  }
}

mcp_config.json (hosted endpoint)

{
  "mcpServers": {
    "attest-mcp-2": {
      "serverUrl": "https://attestagent.org/api/mcp"
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

ATTEST_BASE_URL — Override the Attest API base URL. Defaults to https://attestagent.org. Only needed for self-hosting or testing.

GitHub

最近更新于 144 天前 · MIT license

About this server

Attest MCP Server Trust scanning for agent payments — right inside your AI agent. attest mcp is a Model Context Protocol server that lets any MCP compatible agent (Claude, Cursor, Windsurf, VS Code, and more) scan an agent payment endpoint and get back a letter grade A–F with a clear safety verdict…

Summary from the project README — github.com/attestagents/Install-attest-agent

Distributed as npm, Streamable HTTP, listed under Web APIs. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the Attest MCP server do?

How do I install Attest?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is Attest free to use?

The MCP server itself is free to install. The source is public on https://github.com/attestagents/Install-attest-agent. Any third-party service it calls may require its own API key and account.

Which clients support Attest?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

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