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Uses your own Assymetrix API key.","maintainers":[{"name":"qalbeassymetrix","email":"qalbe@assymetrix.com"},{"name":"dean-assymetrix","email":"dean@assymetrix.com"}],"readme":"# @assymetrix/mcp-server\n\nA read-only [MCP](https://modelcontextprotocol.io) server for prediction market data from **Polymarket, Kalshi and Limitless**, served by the [Assymetrix](https://assymetrix.com) Data API with your own API key. A free key works.\n\n## Install\n\nRecommended: the Claude Code plugin. It installs this server and the `prediction-market-data` skill, and keeps your key in the system's secure store:\n\n```text\n/plugin marketplace add assymetrix/assymetrix-agent-tools\n/plugin install assymetrix@assymetrix\n```\n\n### Other clients\n\nThese read the key from an environment variable; keep it in your shell profile (`export ASSYMETRIX_API_KEY=asy_...`).\n\n```bash\n# Claude Code without the plugin\nclaude mcp add --env ASSYMETRIX_API_KEY=\"$ASSYMETRIX_API_KEY\" --transport stdio assymetrix -- npx -y @assymetrix/mcp-server\n# Codex\ncodex mcp add assymetrix --env ASSYMETRIX_API_KEY=\"$ASSYMETRIX_API_KEY\" -- npx -y @assymetrix/mcp-server\n```\n\nFor Cursor, Claude Desktop and VS Code, see the [repository README](https://github.com/assymetrix/assymetrix-agent-tools#install).\n\n## Get an API key\n\nCreate a free account at https://dashboard.assymetrix.com/signup?utm_source=npm&utm_campaign=assymetrix-mcp, open **API Keys** and create a key (it starts with `asy_`). The Free plan includes 10,000 requests per rolling 30 days, 1 request per second and 30 days of history.\n\n## Tools\n\n- **`search_markets`**: find markets by text in the question (one or two distinctive words work best).\n- **`get_market_prices`**: one market's current odds, bid and ask, outcome prices, volume and liquidity.\n- **`get_market_history`**: OHLCV candles for a time range, or the market's trades.\n\nAll three are read-only. Prices are probabilities from 0 to 1.\n\n## Configuration\n\n`ASSYMETRIX_API_KEY` (your key), `ASSYMETRIX_API_BASE_URL` (testing only; https, or http on localhost), `ASSYMETRIX_TIMEOUT_MS` (default 15000) and `ASSYMETRIX_LOG_LEVEL` (default `warn`; logs go to stderr).\n\n## Privacy\n\nThe server talks only to the Assymetrix Data API. It sends your key in the `x-api-key` header, collects no telemetry, writes nothing to disk, and never logs or returns your key. Privacy policy: https://www.assymetrix.com/privacy-policy. Support: support@assymetrix.com.\n\n## License\n\nMIT\n","readmeFilename":"README.md","homepage":"https://assymetrix.com","keywords":["mcp","model-context-protocol","prediction-markets","polymarket","kalshi","limitless","assymetrix"],"repository":{"url":"git+https://github.com/assymetrix/assymetrix-agent-tools.git","type":"git","directory":"packages/mcp-server"},"bugs":{"url":"https://github.com/assymetrix/assymetrix-agent-tools/issues"},"license":"MIT"}