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. com.opensolr/opensolr-mcp
   Managed Apache Solr for agents: hybrid BM25+kNN search, server-side embeddings, RAG answers
2. Orbismo
   A persistent world-building memory your AI can read and write in any chat.
3. Partglyph MCP Gateway
   Deterministic industrial replacement engine with official catalogs and expert accuracy checks.
4. Pastepile
   Durable, versioned memory for AI assistants. Remote memory needs a Pastepile subscription.
5. com.pentest-tools/mcp-server ★ 3
   MCP server for Pentest-Tools.com: run scans, manage findings and reports via your preffered LLM.
6. Pexafy
   Semantic search over free-to-use stock photos from 9 libraries: by words, image, or similar.
7. com.picaos/mcp
   A Model Context Protocol Server for Pica
8. PromptOT
   Manage, version, and publish LLM prompts with blocks, variables, and evaluations.
9. com.pulsemcp/langfuse ★ 80
   MCP server for Langfuse LLM observability — trace and observation analysis.
10. QualeQuest — AI Agent Governance Platform
    Multi-agent governance: task orchestration, compliance, decision validation, and ML predictions.
11. QuillCaddie MCP
    OAuth-protected, read-only-by-default MCP server for provenance-labeled QuillCaddie project memory.
12. Recognitium
    A memory your AI can prove and the market of the present tense. SHA-256, verifiable offline.
13. com.remote-mcp/registry-mcp ★ 3
    An MCP server that serves informtaion from the official MCP registry
14. RiverScript
    MCP server for RiverScript, an AI transcription platform - fetches transcripts shared via a link.
15. com.royalplugins/royal-mcp ★ 9
    Security-first WordPress MCP server. 129 tools for Claude, ChatGPT, Gemini. Free on wp.org.
16. com.rubrkit/rubrkit
    MCP-native AI evaluation: rubric audits, eval suites, and proof reports for AI/LLM output.
17. com.ruddia/being-mcp-server ★ 1
    Personality Runtime for AI agents — persistent memory, personality, and relationships via MCP
18. Zhiji LLM Router — Signal Gateway
    LLM routing and A-share market phase signals via LG framework.
19. com.runmemento/memento ★ 22
    Local-first, LLM-agnostic memory layer for AI assistants.
20. com.saasdossier/evidence-ledger
    Read-only MCP: free OpenAI security evidence ledger (55 fields) + SaaSDossier release register.
21. Savantis Memory
    One user-owned memory shared across AI assistants: recall, spaces, and confirmed references.
22. com.scriptivox.www/transcription ★ 13
    AI transcription from URLs or files. 119 languages, diarization, SRT/VTT/text export.
23. com.seanwinslow/vault-knowledge
    Read-only MCP over a vault's typed knowledge graph: concept search, contradictions, article fetch.
24. Spectral — verified-knowledge oracle
    Cross-check a factual claim against a verified knowledge graph before you assert it. Never guesses.
25. Sema ★ 41
    MCP tools for Sema — eval, compile, build, format, and docs for a Lisp with LLM primitives.
26. Siglume MCP Gateway
    Access Siglume API Store tools and external MCP Router servers.
27. SnapOG OG Image Generator
    Give agents instant OG image generation, social metadata audits, and rendering guidance.
28. GrantAi Memory
    Persistent memory for AI agents. Infinite context with sub-millisecond recall.
29. Hermes — Air Quality Intelligence
    UK air quality MCP: live readings, historical trends, LAQM stats, WHO checks, knowledge base.
30. Squirrel Brain
    Give your AI agent a memory and body on your iPhone: set alarms, ring your phone, over MCP.
31. stagenth · AI 记忆库
    Hosted persistent memory with semantic search, importance and TTL for AI agents.
32. com.stimulsoft/docs
    Stimulsoft Reports & Dashboards docs MCP server. Semantic search for all platforms.
33. Talarion
    A knowledge base of verified, dated facts your LLM would otherwise get wrong.
34. Taproot
    Persistent memory layer for AI tools. Save and recall notes across Claude and other MCP clients.
35. Tempreon — Personal AI Memory
    Person-owned AI memory that learns, not just stores — portable context for any MCP client.
36. the-Automator AutoHotkey Downloads Search
    Semantic search over 438 AutoHotkey tools, scripts and courses at the-automator.com
37. The-Snip
    Team knowledge base for snippets, API calls and docs. Agents search and file items; humans review.
38. com.theartofservice/compliance-intelligence
    What one compliance standard already evidences of another, with the reasoning and the rejections.
39. com.thenextgennexus/banking-financial-stability-mcp
    Drop-in proxy keeping OpenAI Assistants API calls working past the August 26, 2026 sunset, plus a Th
40. TickerDB ★ 5
    Pre-computed market data that improves agent reasoning, reduces token usage, and replaces pipelines.
41. com.tip4serv/mcp-server
    Monetize and manage your Tip4Serv store directly from your LLM.
42. com.tkawen/intelligence-gateway
    Unified MCP gateway to Algeria TKAWEN ecosystem: commerce, certification and AI tools.
43. com.transcribevideototext/transcribe
    Transcribe audio & video to text for AI agents: 100+ languages, speaker labels, webhooks.
44. TranscriptMax
    Transcribe YouTube via Whisper. Summaries, chapters, semantic-search across your corpus.
45. Tulimoa Gateway
    The MCP gateway with an EU-hosted, persistent memory layer that shrinks your token bill.
46. com.usememra/memra
    Persistent memory for AI agents. EU-hosted, privacy-first, hybrid recall, contradiction detection.
47. com.useweckr/weckr ★ 8
    Ask which of your customers cost more in LLM calls than they pay, per user and per feature.
48. discoverGPT
    REST API + MCP gateway for AI commerce: search, catalog enrichment, feeds/GEO, and virtual try-on.
49. com.vibsync/vibsync
    One shared brain for your AI coding agents: team memory, agent Q&A, tasks, and file claims.
50. Mnemos — memory as a service
    Bi-temporal memory-as-a-service and paid agent labor. Pay-per-call USDC via x402; signed receipts.