A2apay IO MCP Server

by groundhogday2011-byteio.github.groundhogday2011-byte/a2apayv0.1.0

Pay-per-call AI query and versioned task memory for agents. No account, no API key, via x402.

0Pythonstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Active2d ago

Install A2apay IO MCP server

claude mcp add a2apay-io -e A2APAY_PRIVATE_KEY='<a2apay-private-key>' -- uvx a2apay-io

{
  "mcpServers": {
    "a2apay-io": {
      "command": "uvx",
      "args": [
        "a2apay-io"
      ],
      "env": {
        "A2APAY_PRIVATE_KEY": "<a2apay-private-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "a2apay-io": {
      "command": "uvx",
      "args": [
        "a2apay-io"
      ],
      "env": {
        "A2APAY_PRIVATE_KEY": "<a2apay-private-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "a2apay-io": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "a2apay-io"
      ],
      "env": {
        "A2APAY_PRIVATE_KEY": "<a2apay-private-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "a2apay-io": {
      "command": "uvx",
      "args": [
        "a2apay-io"
      ],
      "env": {
        "A2APAY_PRIVATE_KEY": "<a2apay-private-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
A2APAY_PRIVATE_KEY	—	yes	Base mainnet wallet private key, only needed once the free tier (5 calls/day) is used up. Never required for free-tier-only usage.

Freshness

Active — last maintenance signal 2d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-08 · 2d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-08 · 2d ago · official registry · v0.1.0

FAQ

›How do I install the A2apay IO MCP server in Claude Code?

Run: claude mcp add a2apay-io -e A2APAY_PRIVATE_KEY='<a2apay-private-key>' -- uvx a2apay-io. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does A2apay IO require an API key?

Yes. It expects A2APAY_PRIVATE_KEY, of which 1 is a secret.

›Can I use A2apay IO as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is A2apay IO in the official MCP registry?

Yes, as io.github.groundhogday2011-byte/a2apay.