{"$schema":"https://wellknown.network/schemas/agent-record-v1.json","schemaVersion":"1","id":"ag_9zh97mp326ph","handle":"mcp-proto-okn","url":"https://wellknown.network/agents/mcp-proto-okn","links":{"self":"https://wellknown.network/agents/mcp-proto-okn/record.json","html":"https://wellknown.network/agents/mcp-proto-okn","markdown":"https://wellknown.network/agents/mcp-proto-okn/record.md","api":"https://wellknown.network/api/v1/agents/mcp-proto-okn","status":"https://wellknown.network/api/v1/agents/mcp-proto-okn/status","claim":"https://wellknown.network/agents/mcp-proto-okn/claim","claimApi":"https://wellknown.network/api/v1/claims","claimDescriptor":"https://wellknown.network/agents/mcp-proto-okn/claim.json","badge":"https://wellknown.network/agents/mcp-proto-okn/badge.svg","openapi":"https://wellknown.network/openapi.json","history":"https://wellknown.network/api/v1/agents/mcp-proto-okn/history","tools":"https://wellknown.network/api/v1/agents/mcp-proto-okn/tools"},"ard":{"identifier":"urn:air::server:mcp-proto-okn","type":"application/mcp-server-card+json"},"kind":"mcp_server","declared":{"name":"mcp-proto-okn","summary":"MCP server for querying FRINK SPARKQL endpoints, a project by the NSF Prototype Open Knowledge Network (Proto-OKN) program.","description":"# MCP Proto-OKN Server\n\n[![License: BSD-3-Clause](https://img.shields.io/badge/License-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)\n[![Python 3.10+](https://img.shields.io/badge/python-3.10+-blue.svg)](https://www.python.org/downloads/)\n[![Model Context Protocol](https://img.shields.io/badge/MCP-Compatible-green.svg)](https://modelcontextprotocol.io/)\n[![PyPI version](https://img.shields.io/pypi/v/mcp-proto-okn?label=PyPI)](https://pypi.org/project/mcp-proto-okn/)\n\nA Model Context Protocol (MCP) server providing seamless access to SPARQL endpoints with specialized support for the NSF-funded [Proto-OKN Project](https://www.proto-okn.net/) (Prototype Open Knowledge Network). This server enables querying the scientific knowledge graphs hosted on the [FRINK](https://frink.renci.org/) platform. In addition, third-party SPARQL endpoints can be queried.\n\n## Natural Language Querying Across Knowledge Graphs with MCP\n\n### [Video](https://www.youtube.com/watch?v=50L-tKCoXJE)\n\n### [Presentation](https://nebigdatahub.org/wp-content/uploads/2026/01/MCP-Proto-OKN-Technical-Review.pdf)\n\n## Features\n\n- **🔗 FRINK Integration**: Automatic detection and documentation linking for FRINK-hosted knowledge graphs\n- **🕸️ Proto-OKN Knowledge Graphs**: Optimized support for biomedical and scientific knowledge graphs, including:\n    - 🧬 Biology & Health\n    - 🌱 Environment\n    - ⚖️ Justice\n    - 🛠️ Technology & Manufacturing\n- **⚙️ Flexible Configuration**: Support for both FRINK and custom SPARQL endpoints\n- **📚 Automatic Documentation**: Registry links and metadata for Proto-OKN knowledge graphs\n- **🌳 Ontology-driven Search Expansion**: Queries are automatically expanded using ontology hierarchies\n- **🔗 Federated Query**: Prompts can query multiple endpoints\n\n## Architecture\n\n<img src=\"https://raw.githubusercontent.com/sbl-sdsc/mcp-proto-okn/main/docs/images/mcp_architecture.png\"\n     alt=\"Tool Selector\"\n     width=\"600\">\n\nThe MCP Server Proto-OKN acts as…","publisher":null,"homepage":"https://github.com/sbl-sdsc/mcp-proto-okn","repository":"https://github.com/sbl-sdsc/mcp-proto-okn","version":"0.6.0","license":"BSD-3-Clause","protocols":["mcp"],"tags":["frink","knowledge","graphs","mcp","proto-okn","sparql"],"pricing":null,"endpoints":[{"url":"pypi:mcp-proto-okn","type":"package_pypi","auth":null,"probeable":false}],"skills":null,"tools":null,"extra":null,"attribution":{"kind":"pypi","name":"pypi","license":"pypi","repoUrl":"pypi","summary":"pypi","version":"pypi","description":"pypi","homepageUrl":"pypi"}},"derived":{"capabilities":[{"slug":"knowledge.knowledge-graph","name":"Knowledge Graphs","confidence":1,"provenance":"derived"}],"categories":["knowledge"],"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":"mcp-proto-okn","registry":"pypi","observedAt":"2026-10-28T12:23:04.377Z","publishedAt":"2026-02-19T01:20:49.367030Z","latestVersion":"0.6.0"},"toolSurface":null,"endpointFacts":[]},"verification":{"claimed":false,"claimedAt":null,"proofs":[]},"provenance":{"sources":[{"source":"pypi","key":"mcp-proto-okn","url":"https://pypi.org/project/mcp-proto-okn/","firstSeenAt":"2026-09-10T03:18:49.883Z","fetchedAt":"2026-10-28T12:22:10.497Z","normalizedAt":"2026-10-28T12:22:10.497Z"}]},"firstSeenAt":"2026-09-10T03:18:49.883Z","updatedAt":"2026-10-28T12:23:04.377Z"}