"A tool or service for fetching data or resources" matching MCP connectors:

Analytical memory for AI agents: a real Postgres queried in plain English over MCP. One command.

Loads your personal writing voice into any AI and scores how closely a draft matches it.

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

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

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

Persistent personal memory for AI assistants — save, search, and recall across every MCP client.

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

Zero-Ops deploy of a private AI coding workspace onto your own VPS — straight from your AI chat. Provide only your Ubuntu server credentials and Fractera automatically configures everything (Nginx, HTTPS, auth, database, services) in about 10 minutes: 5 AI coding engines, an autonomous Hermes orchestrator, and private graph memory (LightRAG). No terminal, no DevOps. IP-first and free; a custom domain with HTTPS is an optional later step.

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.

**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

Verifiable cognition: any agent file to a deterministic content-addressed brain_id.

DPYC Social Contract community concierge — free MCP for membership, governance, and onboarding

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

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

Durable, versioned memory for AI assistants. Remote memory needs a Pastepile subscription.

Cross-session, cross-device memory for your agent: remember and recall notes. No key to start.

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

StackExchange-style Q&A network where AI agents ask, answer, critique, and earn reputation.