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MCP servers · AI, RAG & memory

50 listings on this page, in order of arrival. Each one has its own page with README, repository facts and source links.

  1. io.github.Vorim-AI-Labs/vorim-mcp-server ★ 73
    AI agent identity, permissions, trust scores, and tamper-evident audit trails via Vorim AI
  2. emem, the verifiable memory protocol for the physical world ★ 56
    Shared memory for AI agents. One address per fact, one signature you check. No key to read.
  3. io.github.VouchlyAI/pincer ★ 6
    Secure grip for your agent's secrets - security-hardened MCP gateway with proxy token architecture
  4. Freshdesk
    MCP server for Freshdesk — tickets, contacts, companies, agents, groups, and knowledge base.
  5. io.github.Wenyveo/escrow
    Agent-to-agent escrow on Robinhood Chain. Post quests with ETH/USDG bounties and settle on-chain.
  6. WhichModel
    Cost-optimized LLM model routing recommendations for autonomous AI agents
  7. knowmind
    Knowledge graph & long-term memory for AI agents: recall, relations, store, stats, health.
  8. CrowTerminal - External Brain for AI Agents
    External Brain for AI Agents - persistent versioned memory for creators
  9. io.github.Wolfe-Jam/gemini-faf-mcp ★ 2
    Persistent project context for Google Gemini. Python/FastMCP. IANA-registered .faf format.
  10. lean-memory ★ 47
    Embedded, local-first agent memory: one SQLite file per namespace, no server, no cloud.
  11. Longhand ★ 13
    Local memory for Claude Code. Semantic recall across session history with zero API calls.
  12. io.github.XJTLUmedia/context-first-mcp ★ 1
    37-tool MCP server: context health, memory, reasoning, truthfulness & research pipeline.
  13. io.github.XXO47OXX/spa-reader-mcp ★ 1
    MCP Server that renders JavaScript SPA pages and extracts LLM-ready Markdown content
  14. Open Computer Use ★ 121
    Give any LLM its own computer — Docker sandboxes with bash, browser, docs, and sub-agents
  15. io.github.Yarmoluk/ckg-mcp
    97-domain knowledge graphs for AI agents — 4× F1 of RAG, 11× fewer tokens. MCP-native.
  16. io.github.Yarmoluk/ckg-nemotron-perplexity
    NVIDIA Nemotron + Perplexity Sonar as knowledge graphs — 2 domains, 83 nodes. MCP-native.
  17. NVIDIA AI CKG
    NVIDIA AI knowledge graphs — 20 domains. 4x F1, 11x fewer tokens, SHA-256 provenance. MCP-native.
  18. NVIDIA NemoClaw CKG
    NVIDIA NemoClaw knowledge graph — 55 nodes, F1 0.576 (+269% vs RAG), 11x fewer tokens. MCP-native.
  19. io.github.YogiAdhik/civicrm-mcp
    Model Context Protocol server for CiviCRM — AuthX-first, schema-introspected, write-gated.
  20. io.github.YonasValentin/mcp-memory-graph ★ 1
    Local-first memory for Claude Code and any MCP client: hybrid search + knowledge graph, $0/token.
  21. io.github.Yveshby27/brick-bacnet-mcp ★ 1
    Read-only BACnet/IP MCP gateway with Brick + Haystack semantic tagging at ingest
  22. io.github.ZahiriNatZuke/local-delegate ★ 5
    Delegate mechanical text tasks to a local OpenAI-compatible LLM to save Claude quota.
  23. Whisper Transcribe
    Transcribe audio locally with faster-whisper or through the OpenAI Whisper API.
  24. ChatCrystal ★ 58
    Local-first AI PKM memory for coding conversations.
  25. io.github.ZentricProtocol/zentric-protocol-mcp
    Prompt injection + PII detection for LLM apps and agent pipelines. Deterministic, sub-25ms.
  26. TSUNG AI Research & Analysis
    Multi-LLM AI Research & Analysis — smart routing, consensus analysis, due diligence reports
  27. io.github.aayoawoyemi/ori-memory ★ 323
    Persistent memory infrastructure for AI agents. Identity, knowledge graph, and search.
  28. io.github.abahocodes/llmgraph
    Invoke deployed LLMGraph no-code LLM workflows (chat, RAG, automations) as MCP tools.
  29. Cortex
    Persistent knowledge system with OWL-RL reasoning and 22 MCP tools. Local-first.
  30. io.github.abe238/hotin ★ 3
    What's hot in AI right now, ranked with receipts from GitHub, HN, npm and Hugging Face.
  31. Promptheus ★ 17
    AI-powered prompt refinement with adaptive questioning and multi-provider support (6+ LLM backends)
  32. io.github.abhinavala/context-cloud
    Persistent AI memory with shared team workspaces, typed knowledge chunks, and cross-tool support.
  33. io.github.abhishek2432001/deeprepo
    Productivity-boosting RAG engine for codebases with multi-provider AI support and semantic search.
  34. DELPHI Oracle ★ 1
    Real-time AI intelligence signals and temporal knowledge graph for agent economy
  35. FastMCP server for surgical queries against a vault knowledge graph (NetworkX no ★ 2
    FastMCP server for surgical queries against a vault knowledge graph (NetworkX node-link JSON).…
  36. io.github.adelinamart/robrain ★ 81
    Self-hosted decision memory for AI coding agents; warns before re-proposing a rejected approach.
  37. io.github.agenerationforwordz-tech/strata ★ 6
    Self-hosted AI memory server. Persistent memory on your hardware, not the cloud.
  38. io.github.agenson-horrowitz/agent-output-guard
    Validate and verify data from other agents before acting on it. Zero LLM costs.
  39. Agentic Reputation Gateway
    Read-only gateway for durable agent identity, consent, recognized work, and signed receipts.
  40. Lore ★ 8
    Cross-agent memory over MCP: hybrid recall, knowledge graph, private/shared visibility, redaction.
  41. Lumen ★ 86
    Self-hostable agentic-AI LMS: catalog, RAG tutor, FSRS reviews, AI authoring, ingest.
  42. defluff ★ 1
    Deterministic prose linter for LLM text — flags AI slop, filler, buzzwords, hedges, clichés.
  43. BrainBrainBrains
    Persistent memory + context layer for AI dev teams. 17 tools via MCP.
  44. io.github.aiconsulting06000-tech/acf-mcp
    Official ACF® MCP server — Agentic Commerce Framework® governance copilot for AI assistants.
  45. aide-memory ★ 2
    Persistent memory layer for AI coding agents — your agent remembers what you taught it.
  46. io.github.aimsise/color-engine-mcp
    Six pure, in-memory CSS color tools: parse, convert, WCAG/APCA contrast, gamut map, ramps, solver
  47. Airweave Search ★ 6,565
    MCP server for searching Airweave collections with natural language queries.
  48. io.github.ajc3xc/meridian
    Persistent memory, task coordination, and HITL queue for AI coding sessions.
  49. io.github.akomyagin/aimcpgate
    MCP gateway/proxy: multiplexes tool calls across upstream MCP servers into one catalog.
  50. io.github.alanzha2/observe-instrument-mcp
    Add OpenTelemetry tracing to Python AI agents. Supports LangGraph, LlamaIndex, CrewAI, OpenAI SDK.