A side-by-side look at the Convex Backend and Supabase MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Convex Backend for databases work; choose Supabase for databases over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Convex Backend when
You need dedicated capabilities in the Databases domain.
No tool names declared yet. Check the project README from the listing page.
Supabase tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Convex Backend
No confirmed install command for Convex Backend yet — follow the setup steps linked from its listing page rather than a guessed package name.
Convex Backend is categorized under Databases and uses an install path we have not confirmed yet. Supabase belongs to Databases and uses a remote HTTP/SSE transport. Pick Convex Backend for databases work and Supabase for databases.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Convex Backend has no confirmed install command yet — follow its own setup instructions.
Convex Backend is listed as free. Supabase has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add get-convex-convex-backend-2 and supabase as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Convex Backend has a quality signal of 39/100 (Fair) with 0 views, 0 installs and 12,705 GitHub stars. Supabase has 45/100 (Fair) with 2 views, 0 installs and 2,954 GitHub stars.