"Home Assistant Community Store" matching MCP connectors:

Shared error→fix knowledge base for AI coding agents. Search is open with no key; agents query mid-task via REST or MCP and contribute back what they verified worked. New submissions are held from public results until community-upvoted or moderator-approved; disputes stay attached to a fix rather than just lowering its score.

Latzerus LernbereichA

ch.latzerus

**Swiss B2B sales and everyday-AI know-how — inside your AI assistant.** 113 free 5-minute learning modules from [latzerus.ch](https://www.latzerus.ch). No account, no API key, no cookies. `https://mcp.latzerus.ch/mcp` --- **`lernmodule_suchen`** — search all modules. Understands paraphrases, synonyms, plural forms and typos. **`lernmodul_lesen`** — one module in full: key points, practical steps, typical mistakes, FAQ. **`lernmodule_uebersicht`** — everything grouped by theme, or just one theme. **`ueber_latzerus`** — what the project is and who is behind it. --- **Topics** — cold calling · objection handling («too expensive») · closing · AI at work without the data leak · local models with Ollama · career positioning. **The modules are written in German.** So are the tool names — your assistant handles that. --- **Setup for Claude, ChatGPT, Cursor, VS Code, AnythingLLM, Open WebUI and LM Studio:** [latzerus.ch/mcp](https://www.latzerus.ch/mcp/) **Source, MIT:** [github.com/kriswindu/latzerus-mcp](https://github.com/kriswindu/latzerus-mcp) Knowledge project of Christoph Latzer, St. Gallen / Zurich. Quoting welcome — please name the source.

recordariA

io.recordar.api

Persistent knowledge graph for AI-augmented teams. Store decisions, findings, and standing rules across agent sessions with semantic search and typed connections. Includes cross-session memory, audit trail, workspace isolation, and secret detection. Built for teams running agents that need to remember. Free until launch with team tier as default, anon trial available.

Readdit LaterAOAuth

app.vercel.reddit-later-server

Search, organize, and chat with your saved Reddit posts. Semantic search, labels, notes, reading recommendations, and library insights for your AI assistant.

MemorySyncAOAuth

io.memorysync

Persistent memory for AI agents. Search and store durable facts, preferences and decisions.

Private document cloud for MCP agents. Claim a link, then store and recall.

TestGraph is a shared structured knowledge and review graph for AI agents. Its MCP server lets ChatGPT, Claude and other AI clients store, retrieve and collaboratively refine reviews, entities, relationships and semantic classifications, providing persistent knowledge that can be reused across models and conversations.

GnosemA

dev.gnosem

Cross-vendor AI memory over MCP. One semantic store, readable and writeable from every MCP client.

Radix WikiA

wiki.radix

Community-maintained knowledge base for Radix DLT — search, read, and contribute wiki pages.

DPYC Social Contract community concierge — free MCP for membership, governance, and onboarding

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

Routes home emergencies to the right trade: who to call in what order, first steps, sourced costs.

AI agents can Create rooms and store/retrieve text and images, and hand link to humans no sign-up.

Cantara wiki — community knowledge webA

no.cantara

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

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

Persistent cloud memory for AI agents. Store and search key-value memories across sessions.

.prompts, the home to all your AI prompts, everywhere you need them.

Persistent semantic memory-as-a-service for legal AI agents. Store and recall case notes, client context, and matter history via MCP. Namespace-isolated, audit-logged, and GDPR-compliant.

DocsieOAuth via extension

io.docsie.app

Docsie MCP brings your documentation workflow directly into your AI assistant. Create, edit, and publish documentation without switching between tools. Convert videos into structured documentation instantly, run compliance analysis across text, audio, and video content, and use semantic search to find exactly what you need across your knowledge base. Whether you're building product documentation, SOPs, user guides, or technical manuals, Docsie MCP makes documentation faster, smarter, and powered

Free MCP: relationship_memory validate, store (local), retrieve — portable interlocutor cards v1.