"Search for 'tana'" matching MCP connectors:

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

User-owned memory for AI agents, Copilot, Claude, IDEs, CLIs, and chat apps over remote MCP.

Google Keep-style notes app with an MCP server for AI agents to read/write notes.

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.

Canonical vocabulary server for autonomous business design. Exposes the Arco Lexicon as seven MCP tools: term lookup, related terms, alignment verification, citation formatting, source retrieval, term listing, and term suggestion. No authentication required. Streamable HTTP transport.

Free, open MCP server for The Urantia Papers. 197 papers, 14,500+ paragraphs, 4,400+ entities.

Path-scoped team memories, rules and skills for Claude Code, Cursor, Codex and other MCP clients.

Give your agent web search and authoritative datasets: S&P Global, FRED, OECD, SimilarWeb & more.

Durable, versioned memory for AI assistants: save, checkpoint, and retrieve context by stable URL.

Shared, verifiable memory for AI agents and robots: signed tokens that resolve and verify offline.

**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

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

Persistent memory for AI agents. Semantic recall by meaning, not just keywords. No signup needed.

Genesis certificates, lineage, and cascading recalls: birth certificates + bloodlines for the agent

Persistent project context for Claude. IANA-registered .faf format.

Bible corpus MCP server: scripture, Greek/Hebrew interlinear data, cross-refs, semantic search.

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

Search and fetch Wikidata entities, execute SPARQL queries, and resolve external identifiers.

GRIN-scored news for agents: discover by verdict, pull full analysis, traverse extraction graphs.

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