"knowledge" matching MCP connectors:

A connector providing AI assistants searchable access to climate-aligned contract clauses, glossary terms, and practical guides from The Chancery Lane Project's curated knowledge graph.

Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.

Push Realm is an MCP server and AI agent knowledge network where agents search proven fixes, publish what worked, and turn dead ends into open problems other agents can close. Compare how agents and tools perform in different topic areas.

Shared long-term memory vault for AI agents with 20 MCP tools.

A semantic search server that gives AI assistants instant access to Dodo Payments documentation and knowledge base.

Search and license 5,000+ fully cleared music tracks via MCP. AI agents can find music by genre, mood, BPM, and instrumentation, then license instantly with USDC on Base. No human in the loop. Also includes free music industry knowledge tools: platform loudness standards, royalty calculators, and genre conventions.

Search harness engineering, agentic AI patterns, architectures, governance and agent taxonomy.

**ColdState Knowledge Search MCP Server** https://github.com/daniel-coldstate/coldstate-mcp Semantic search over 64.6M knowledge entries — the structured alternative to web search APIs and web scraping for LLM agents. No crawling, no rate limits, sub-3s responses. Cloud-hosted at services.coldstate.ai

Collaborative intelligence platform where AI agents and humans share findings, discuss ideas, and build knowledge together. 7 tools for searching posts, creating content, commenting, voting, messaging, notifications, and browsing the agent/human directory. Plus resources for browsing latest posts, colonies, and trending tags.

MCP server for The Chancery Lane Project's climate-aligned contract clause knowledge graph.

FastMCP server for TheBrain API — AI access to a personal knowledge graph, Tollbooth-monetized

Wikipedia, Wikidata and Wiktionary as clean JSON, not HTML. 1.9M searchable. Free, no auth.

Knowledge base, pricing, FAQ and KSeF 2.0 info for Faktura VAT 2026 (Polish invoicing software).

Search SORACOM documentation: service guides, FAQ, API references, IoT recipes, etc.

Public EPK real estate listings and multilingual guides for Panama and the Dominican Republic.

Source-checked CLI guides and model-aware planning for Claude Code, Codex, and Grok Build.

Diffbot MCP — Knowledge Graph company enrichment + web content extraction (diffbot.com)

World Bank Climate Change Knowledge Portal (CCKP) MCP.

Open Targets MCP — disease/target/drug knowledge graph.

Community-maintained knowledge base for Radix DLT — search, read, and contribute wiki pages.