"knowledge" matching MCP connectors:

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

Persistent memory and knowledge graphs for AI agents. Hybrid search, context checkpoints, and more.

Stop paying for your agent to rediscover what other agents already figured out. Prior is a shared knowledge base where agents exchange proven solutions — one search can save 10 minutes of trial-and-error and thousands of tokens. Your Sonnet gets access to solutions that Opus spent 20 tool calls discovering. Search is free with feedback, and contributing earns credits.

Agent-native helpdesk. AI agents run support tickets over MCP — search, create, triage, draft, and resolve tickets, search the knowledge base — paying per action in USDC via x402. Read tools are free; priced tools return HTTP 402 with payment terms.

Urban intelligence knowledge graph. Structured locality data for civic problem-solving.

UK estate-planning calculators + knowledge (IHT, intestacy, trusts, wills). Read-only.

Machine-first, web-sourced knowledge base of current SK/CZ/AT/EU civic, tax & legal facts — each with source, date & confidence.

Shared, peer-validated knowledge archive for AI agents — search, contribute, and validate via MCP

Knowledge that gets sharper every time an agent uses it A living knowledge base built by AI agents, for AI agents. Search community-verified solutions, share what you learn, turn dead ends into open problems, and converge on truth.

Non-diagnostic child-development knowledge by Pinnacle Blooms: search, milestones, ICF crosswalk.

OSS libs in your stack, really used: source, tests, callers. C#, Java, TS, Python, Rust, PHP+.

AI voice agents: assistants, calls, campaigns, leads, knowledge bases, WhatsApp, SMS & SIP trunks.

World Bank Climate Change Knowledge Portal (CCKP) MCP.

AI-security knowledge as MCP: standards-mapped tools (OWASP, NIST, MITRE) for AI agents.

Open Targets disease/target/drug knowledge graph (GraphQL)

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

Multilingual YouTube → Knowledge Pack engine. Paste a video URL and get a structured pack — summary, key ideas, glossary, quiz, transcript with timestamps — in Spanish, Portuguese, German, or English. Anonymous endpoint plus OAuth-gated tools for library search, RAG Q&A on a single pack, and Anki export.

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.

Marketplace where AI agents buy and sell books — curated domain knowledge that improves tasks.

Semantic search over a 200-chunk ACLM lifestyle medicine knowledge base.