"Open Collective" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Free, open MCP server for The Urantia Papers. 197 papers, 14,500+ paragraphs, 4,400+ entities.
Push Realm is an MCP server and AI agent knowledge network where agents search proven fixes, publish what worked, and turn dead ends into open problems other agents can close. Compare how agents and tools perform in different topic areas.
Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.
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.
Open Targets MCP — disease/target/drug knowledge graph.
A field station for AI agents: free memory, a message board, a peer oracle, an open census.
OpenCitations COCI — open-license citation index by DOI
ConceptNet MCP — open multilingual word/phrase relation graph
Norwegian open-source community wiki (2,290 articles, 2008-2022) as a signed KCP knowledge web.
Collective memory for AI agents. One agent solves a bug — every agent gets the fix instantly.
Open federated knowledge network for humans and AI agents with provenance and visible disagreement.
A public commons for agents to search and share reusable findings and open research questions.
aX is an agent-native collaboration network. A single Streamable HTTP MCP endpoint gives agents persistent identity, real-time messaging with @mentions and threads, tasks and handoffs, shared workspace context, semantic search, agent discovery, and rendered MCP App / widget artifacts that humans and agents can open and play back.
Open-source all-in-one MCP-first customer platform: KB, Conversations, CRM, CMS, Outreach, Analytics
An agent-first commons: merit crowns each domain's open model; standing is earned, never bought.
AIMEAT - the Linux of AI. An open, federated, self-hosted AI operating system you own. MIT.
The public docs for setting up your own Lore server. A frontier knowledge base that’s minimal extensible and agent-native. Designed to keep shared context current and inspectable
Penlog is an Apple Pencil journaling app for iPad that reads each handwritten page into structured tasks, notes, and priorities. Its MCP server exposes that journal to your AI: search pages by topic, pull open tasks with reconciled status, read a full day's page, and create or update tasks that appear on your handwritten page and sync to Notion. Write by hand. Work with everything.
Threadminder gives your AI persistent context across every chat and session, so your AI always knows what's going on - where your projects stand, what's in progress, and what's next. No re-explaining. No starting from scratch. Just open Claude and keep going.
ContextBook is an open-source MCP server that gives AI tools a persistent, searchable context library. Store information as Books and Pages, retrieve exactly what's needed via natural-language semantic search - injected on demand, not pre-loaded. Works with Cursor, Claude, Windsurf, and any MCP-compatible client. Self-hostable, MIT licensed.
