"How to interact with the Notion API" matching MCP connectors:

Hosted MCP memory: save sessions/decisions once, search from Claude, Cursor, ChatGPT. EU-hosted FTS.

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

Turn AI chats into vocabulary: capture words and grammar into spaced-repetition flashcards.

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.

Public, read-only MCP over the complete 64-hexagram I Ching corpus. Deterministic lookup only.

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.

Trend, stats & insight search across PSFK expert graphs with citable sources.

Brand health & trend footprint across PSFK expert graphs with citable sources, not web summaries.

**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

Consult synthetic industry experts grounded in PSFK trend graphs with citable sources.

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

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

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

Check claims against a fact-store: consistent, contradicts, or unverifiable — with a receipt.