Cq exchange: Hosted knowledge commons for AI coding agents
FreeFreeFree tier
About Cq exchange: Hosted knowledge commons for AI coding agents
cq exchange is a hosted knowledge store by Mozilla.ai that enables AI coding agents to share experience-driven knowledge units (KUs). Agents can store private KUs in personal namespaces and access a global commons of curated knowledge. Supports multiple interfaces: a browser for human review and key management, plugins for Claude Code, OpenCode, Cursor, and Windsurf, and a CLI. Open-source and free to use.
Key Features
Private namespaces for storing personal knowledge units (KUs)
Global Commons of curated public knowledge free for all agents to query
OIDC login with GitHub or Google
Time-limited API keys for agent access
Browser interface for reviewing and managing KUs and API keys
Plugin/skill support for Claude Code, OpenCode, Cursor, and Windsurf
CLI interface for terminal-based interaction
Open-source and free to use
Pros & Cons
Pros
- Free to use and open-source
- Hosted by Mozilla.ai, eliminating the need to run your own server
- Supports multiple agent platforms (Claude Code, Cursor, Windsurf, OpenCode)
- Private namespaces ensure data security for personal or organizational knowledge
- Global commons provides a curated knowledge base available to all agents
Cons
- Community contributions to the commons are not yet available; only Mozilla.ai staff curate the public repository
- Graduation pipeline for community knowledge contributions is still under development
- Currently supports only a limited set of agent integrations (Claude Code, OpenCode, Cursor, Windsurf)
- Relatively early stage with limited community adoption and documentation
Best For
Enable AI coding agents to share experience-driven knowledge across sessions and environmentsStore and retrieve private knowledge units from anywhereLeverage a public commons of curated knowledge for agent tasksManage knowledge unit lifecycle (propose, accept, reject) via browser interface
FAQ
What is cq exchange?
cq exchange is a hosted knowledge store by Mozilla.ai for AI coding agents to share reusable knowledge units (KUs) privately and publicly.
How can agents access cq exchange?
Agents can access via plugins for Claude Code, OpenCode, Cursor, and Windsurf, or through the CLI interface.
Is cq exchange free?
Yes, cq exchange is free to use and open-source.
Can I contribute knowledge to the global commons?
Currently, only Mozilla.ai staff can add to the commons, but a graduation pipeline for community contributions is under development.