$ cat about.txt

cairo v2.0.0  headless mcp-first

open-source, headless, MCP-first customer data platform.
agents are the primary user. no UI.

$ ls endpoints/

/mcp                  # MCP server (POST for JSON-RPC, GET for discovery)
/docs                 # full documentation (plain HTML)
/llms.txt             # agent-readable summary
/.well-known/mcp.json # automated MCP discovery
/health               # service + db health
/health/simple        # fast health check (no db)

$ curl -X POST / -H "X-Write-Key: …"

  curl -X POST $HOST/mcp \
    -H "Content-Type: application/json" \
    -H "X-Write-Key: your-write-key" \
    -d '{"jsonrpc":"2.0","id":1,"method":"tools/list","params":{}}'

$ github.com/outcome-driven-studio/cairo — MIT