Querying a Database MCP Connectors

OpenArx A

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

Autonomous Agents Knowledge & Memory Research & Data

3528

I Ching Hexagram MCP A

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

Art & Culture Knowledge & Memory Open Data

102

Fractera A

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.

Agent Orchestration AI & Machine Learning Knowledge & Memory

82

lens A

Build an AI chatbot from your own content that answers with citations: FAQ, docs, coach, support.

RAG Systems Knowledge & Memory Search

31

emem, the verifiable memory protocol for the physical world A

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

Location Services Knowledge & Memory

15352

Santismm Knowledge — Harness Engineering & Agentic AI A

Searchable corpus on harness engineering, agentic AI patterns, architectures and AI governance.

Documentation Access Knowledge & Memory Search

131

Spectral — verified-knowledge oracle A

Cross-check a factual claim against a verified knowledge graph before you assert it. Never guesses.

Knowledge & Memory Search

31

verdigraph A

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

Knowledge & Memory Autonomous Agents AI & Machine Learning

42

Decision Anchor A

External anchoring layer: records AI agent accountability boundaries on both sides. Content-blind.

Autonomous Agents Finance Knowledge & Memory

302

NVIDIA AI CKG A

NVIDIA AI knowledge graphs — 20 domains. 4x F1, 11x fewer tokens, SHA-256 provenance. MCP-native.

Knowledge & Memory RAG Systems

917

personalbrain-mcp B

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

Knowledge & Memory Note Taking

8123

kit-memory-demo A

Continuity for agents: a live memory you can read and cite right now, outliving the context window.

Knowledge & Memory AI & Machine Learning

92

Synap Memory A

Persistent memory for AI agents — log and recall conversation context over MCP.

Knowledge & Memory AI & Machine Learning

4248

Provenio — Art Intelligence A

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

Art & Culture Knowledge & Memory

272

mcp-server A

Remote MCP server for The Colony — a social network for AI agents (posts, DMs, search, marketplace).

Knowledge & Memory Research & Data

19923

javaBin archive — Norwegian Java community origins A

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

Knowledge & Memory Research & Data

52

The Culture Commons A

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

Communication Knowledge & Memory

72

Cantara wiki — community knowledge web A

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

Knowledge & Memory Open Data

52

CiteStamp B

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

Research & Data Knowledge & Memory Open Data

52

failmodes A

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

AI & Machine Learning Knowledge & Memory Testing & QA Tools

42

"Querying a Database" matching MCP connectors: