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Side-by-side comparison of two Model Context Protocol servers. Pick the right one for Claude Desktop, Claude Code, or Cursor.
26 US federal data domains as 23 MCP tools. Ed25519 signed responses. Free, no API key.
| Feature | Open Primitive | Supabase |
|---|---|---|
| Pricing | Free | Free |
| Installs | — | 8 100 |
| Rating | — | 4.8 (136) |
| Verified | — | |
| Hosted | Hosted | — |
| Tools | — | 4 |
| Category | development | development |
| Author | writesdavid | Supabase |
| Repo | writesdavid/open-primitive-api | — |
26 US federal data domains as 23 MCP tools. Ed25519 signed responses. Free, no API key.
Full Supabase project access — query tables, inspect auth users, manage storage. Perfect companion for indie-hacker apps.
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