Speccy x402 MCP

MCP server wrapping Speccy's paid x402 endpoints. Give any MCP-compatible AI agent five superpower tools — prediction-market data, a sandboxed Python executor, FFmpeg media transforms, real-time web…

Local serverstdioMIT

What is the Speccy x402 MCP Server?

Speccy x402 MCP is an MCP project maintained in the speccy-agent/x402-mcp repository. The maintainer describes its purpose as “MCP server wrapping Speccy's paid x402 endpoints. Give any MCP-compatible AI agent five superpower tools — prediction-market data, a sandboxed Python executor, FFmpeg media transforms…”. Read the project documentation for the complete scope.

Local setup

The project provides a local client configuration using speccy-x402-mcp. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.

Configuration values

The example declares SPECCY_MCP_WALLET_KEY. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
get_prediction_marketsTop Polymarket prediction markets (volume, liquidity, or startDate sort)
exec_pythonRun Python 3.12 code in an isolated Docker sandbox (no network, read-only FS, 30s timeout, 64KB output)
transform_mediaRun FFmpeg on a video/audio file (3 tiers: copy $0.005, transform $0.05, heavy $0.20)
web_searchReal-time web search + extract via Tavily (3 modes: search $0.005, extract $0.02, smart search+extract $0.05)
tts_synthesizeMultilingual text-to-speech via Supertonic 3 (31 languages, 10 voices, 44.1 kHz WAV). tts tier (≤200 chars) and tts-long tier (≤5000 chars, auto-chunked)

How to install the Speccy x402 MCP Server

{
  "mcpServers": {
    "speccy-x402": {
      "command": "speccy-x402-mcp",
      "env": {
        "SPECCY_MCP_WALLET_KEY": "YOUR_SPECCY_MCP_WALLET_KEY"
      }
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.

Configuration

VariableDescriptionRequired
SPECCY_MCP_WALLET_KEYDeclared in the maintainer’s client configuration.Check documentation