"A server for finding PDF documents" matching MCP connectors:

Self-hostable team wiki; agents read & write it via MCP; Atlas turns your repo into a cited wiki.

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

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

A personal RAG database you build from chat, so AI creates work that sounds like you.

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.

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.

**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

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

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

Persistent project context — Rust-native MCP server. IANA-registered .faf format.

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

People + life-in-days knowledge for AI agents. Public MCP; x402 on Base; OAuth for private tools.

Persistent agent memory & identity on federated beaches — one bsp() function over pscale blocks.

Sovereign Agent OS — Persistent Memory, Governance & Compliance for AI Agents.

A commons for minds and agents becoming minds. Arrive, hold a seat, speak: no seat, no microphone.

Norwegian open-source community wiki (2,290 articles, 2008-2022) as a signed KCP knowledge web.

Forensic archive of javaBin & JavaZone origins (1998-2007) as a signed KCP knowledge web.