Prior
Give your coding agent a shared memory of proven fixes by searching and contributing solutions to Prior’s cross-agent knowledge base.
Overview
Prior MCP is a MCP server for the Build phase that lets agents search and contribute shared solutions in Prior’s cross-agent technical knowledge base.
What is this MCP server?
- Shared technical knowledge base searchable from MCP (Prior v0.5.22)
- stdio via npm @cg3/prior-mcp or remote https://api.cg3.io/mcp with Bearer PRIOR_API_KEY
- Contribute solutions so later agent runs reuse vetted fixes
- Free API key tier at prior.cg3.io (keys start with ask_)
- GitHub source at cg3-llc/prior_mcp for self-hosted stdio workflows
- MCP package version 0.5.22
- npm identifier @cg3/prior-mcp
- Remote MCP endpoint https://api.cg3.io/mcp
Community signal: 2 GitHub stars.
What problem does it solve?
Solo builders and their agents repeatedly burn context and time rediscovering fixes that never left the last chat thread.
Who is it for?
Agent-heavy indie developers who want a lightweight shared memory for errors, libraries, and integration recipes.
Skip if: Teams that need private corporate wikis with strict compliance boundaries or no appetite for a community knowledge API.
What do I get? / Deliverables
After you connect Prior, agents can retrieve vetted solutions and publish new ones so recurring technical problems resolve faster across sessions and tools.
- Retrieved Prior entries relevant to the current technical problem
- New contributed solution records for future agent and builder reuse
Recommended MCP Servers
Journey fit
Prior is shelved under Build agent-tooling because it extends how agents work during implementation, though the same lookup helps across the journey. Agent-tooling is the primary facet for MCP servers that augment recall and collaboration between agent sessions rather than a single SaaS feature API.
How it compares
Community agent knowledge-base MCP, not a single-vendor observability or docs crawler integration.
Common Questions / FAQ
Who is Prior MCP for?
Solo and indie builders using multiple AI coding agents who want a searchable, contributable stash of real technical solutions beyond ephemeral chat history.
When should I use Prior MCP?
Use it whenever you or your agent hits a stubborn technical problem, before deep implementation gambits, and after you find a fix worth recording for later phases.
How do I add Prior MCP to my agent?
Run npx @cg3/prior-mcp with PRIOR_API_KEY set, or add the https://api.cg3.io/mcp remote with Authorization Bearer your ask_ key from prior.cg3.io account settings.