"Server compatibility with ChatGPT or DeepSeek" matching MCP connectors:

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.

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.

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

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

Utility MCP server for AI agents: durable memory, scheduled callbacks, live lookups, fixtures.

Describe what's going wrong with your AI; get the named technique both of you can read. No auth.

Art provenance intelligence — 282K-node knowledge graph with cited answers and honest gaps.

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

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

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

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

Citation-health over a CC0 citation graph: what supports, refutes, or cites a paper. Read-only.

MCP server for Argo RPG Platform — connects AI assistants to campaign data via OAuth2

Read and grow a person's falsifiable, consent-based model of how they work with AI (CMP).

MCP server for the Fail Modes taxonomy — a knowledge base of AI system failure modes

Hosted persistent memory with semantic search, importance and TTL for AI agents.