{"$schema":"https://wellknown.network/schemas/agent-record-v1.json","schemaVersion":"1","id":"ag_c4nxr7nx85mj","handle":"iflow-mcp-r-brink-polars-mcp","url":"https://wellknown.network/agents/iflow-mcp-r-brink-polars-mcp","links":{"self":"https://wellknown.network/agents/iflow-mcp-r-brink-polars-mcp/record.json","html":"https://wellknown.network/agents/iflow-mcp-r-brink-polars-mcp","markdown":"https://wellknown.network/agents/iflow-mcp-r-brink-polars-mcp/record.md","api":"https://wellknown.network/api/v1/agents/iflow-mcp-r-brink-polars-mcp","status":"https://wellknown.network/api/v1/agents/iflow-mcp-r-brink-polars-mcp/status","claim":"https://wellknown.network/agents/iflow-mcp-r-brink-polars-mcp/claim","claimApi":"https://wellknown.network/api/v1/claims","claimDescriptor":"https://wellknown.network/agents/iflow-mcp-r-brink-polars-mcp/claim.json","badge":"https://wellknown.network/agents/iflow-mcp-r-brink-polars-mcp/badge.svg","openapi":"https://wellknown.network/openapi.json","history":"https://wellknown.network/api/v1/agents/iflow-mcp-r-brink-polars-mcp/history","tools":"https://wellknown.network/api/v1/agents/iflow-mcp-r-brink-polars-mcp/tools"},"ard":{"identifier":"urn:air::server:iflow-mcp-r-brink-polars-mcp","type":"application/mcp-server-card+json"},"kind":"mcp_server","declared":{"name":"iflow-mcp_r-brink-polars-mcp","summary":"MCP server providing Polars API reference and usage guides for efficient Polars query development","description":"# Polars MCP Server\n\nMCP server providing Polars API reference documentation via introspection of the installed Polars package and additional information via conceptual guides.\n\n## Features\n\n- Polars API searchable by keyword\n- Full documentation for any Polars function, method, or class\n- Conceptual guides for Polars usage patterns\n- pandas to Polars translation guide\n- Always up-to-date with your installed Polars version\n- No external dependencies or pre-built docs needed\n\n## Installation\n\n**Important:** This server introspects the installed Polars package. Install the same Polars version you use in your project to ensure accurate documentation.\n\n### From PyPI\n\n```bash\n# Or install with latest Polars\nuv pip install polars-mcp polars\n\n# Install with your project's Polars version\nuv pip install polars-mcp polars==1.35.0\n```\n\n### From source\n\n```bash\n# Clone repository\ngit clone https://github.com/r-brink/polars-mcp\ncd polars-mcp\n\n# Install with uv\nuv pip install .\n```\n\n## Usage\n\nAdd to your MCP settings configuration file.\n\n### With `uvx`\n\n```json\n{\n    \"mcpServers\": {\n        \"polars-mcp\": {\n            \"command\": \"uvx\",\n            \"args\": [\n                \"--with\",\n                \"polars\", # set your Polars version here\n                \"polars-mcp\"\n            ]\n        }\n    }\n}\n```\n\n### When installing from source\n\n```json\n{\n    \"mcpServers\": {\n        \"polars-mcp\": {\n            \"command\": \"uv\",\n            \"args\": [\n                \"--directory\",\n                \"/path/to/polars-mcp\",\n                \"run\",\n                \"polars_mcp.py\"\n            ]\n        }\n    }\n}\n```\n\nRefer to the documentation on the Model Context Protocol website on how to [connect to local MCP servers](https://modelcontextprotocol.io/docs/develop/connect-local-servers) for an extensive guide.\n\n### Standalone Testing\n\n```bash\n# Test the server\npython polars_mcp.py --help\n\n# Run with MCP inspector\nnpx @modelcontextprotocol/inspector uv run polars_mcp.py\n```\n\n## Available Tools\n\n###…","publisher":null,"homepage":null,"repository":null,"version":"0.2.1","license":null,"protocols":["mcp"],"tags":["mcp"],"pricing":null,"endpoints":[{"url":"pypi:iflow-mcp_r-brink-polars-mcp","type":"package_pypi","auth":null,"probeable":false}],"skills":null,"tools":null,"extra":null,"attribution":{"kind":"pypi","name":"pypi","summary":"pypi","version":"pypi","description":"pypi"}},"derived":{"capabilities":[{"slug":"dev.version-control","name":"Version Control","confidence":1,"provenance":"derived"},{"slug":"dev.package-management","name":"Packages & Dependencies","confidence":1,"provenance":"derived"},{"slug":"dev.docs-lookup","name":"Documentation Lookup","confidence":0.791,"provenance":"derived"}],"categories":["dev"],"language":"en"},"observed":{"status":"unknown","statusReason":"Distributed as a package to run locally; no network endpoint to check.","lastOkAt":null,"lastProbedAt":null,"statusComputedAt":null,"reliability30d":null,"latestObservations":[],"tools":null,"package":{"name":"iflow-mcp_r-brink-polars-mcp","registry":"pypi","observedAt":"2026-09-15T20:21:12.088Z","publishedAt":"2026-02-07T06:55:27.632007Z","latestVersion":"0.2.1"},"toolSurface":null,"endpointFacts":[]},"verification":{"claimed":false,"claimedAt":null,"proofs":[]},"provenance":{"sources":[{"source":"pypi","key":"iflow-mcp_r-brink-polars-mcp","url":"https://pypi.org/project/iflow-mcp_r-brink-polars-mcp/","firstSeenAt":"2026-09-09T20:25:27.219Z","fetchedAt":"2026-09-15T20:18:54.789Z","normalizedAt":"2026-09-15T20:18:54.789Z"}]},"firstSeenAt":"2026-09-09T20:25:27.219Z","updatedAt":"2026-09-15T20:21:12.088Z"}