"A guide to browsing the internet" 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.

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.

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

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.

**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.

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

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

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

Author rules from policy docs, then decide: a Rete engine gives the verdict, an LLM explains why.

Bi-temporal memory-as-a-service and paid agent labor. Pay-per-call USDC via x402; signed receipts.

OpenCitations COCI — open-license citation index by DOI