Nexus MCP vs Supabase MCP
A side-by-side look at the Nexus MCP and Supabase MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
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Nexus MCPDatabases · Local subprocess (stdio)Search Notion and Supabase through one safety-focused MCP server.40FairAuth: api key requiredVerdict: choose Nexus MCP for databases work as a local process; choose Supabase MCP for databases over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
NChoose Nexus MCP when
- You need dedicated capabilities in the Databases domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
NEXUS_DEMO_MODE, NOTION_TOKEN, SUPABASE_URL, SUPABASE_KEY, NEXUS_ALLOW_WRITES, NEXUS_ALLOW_DELETES.
Choose Supabase MCP when
- You need dedicated capabilities in the Databases domain.
- You prefer a remote HTTP/SSE transport.
- Its auth model fits you: OAuth 2.0.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | N Nexus MCP | |
|---|---|---|
| Category | Databases | Databases |
| Quality signal | 40/100 · Fair | 60/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | API key required | OAuth 2.0 |
| Pricing | Not declared | Free |
| Required env vars | NEXUS_DEMO_MODENOTION_TOKENSUPABASE_URLSUPABASE_KEYNEXUS_ALLOW_WRITESNEXUS_ALLOW_DELETES | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 2,953 |
| Directory activity | 0 views 0 installs 0 upvotes | 5 views 0 installs 0 upvotes |
| Tools | Not listed | Not listed |
| Full listing | View Nexus MCP | View Supabase MCP |
Tools & capabilities
Nexus MCP tools
No tool names declared yet. Check the project README from the listing page.
Supabase MCP 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.
Nexus MCP
{
"mcpServers": {
"nexus-mcp-4": {
"command": "uvx",
"args": [
"--from",
"nexus-mcp-notion-supabase",
"nexus-mcp"
],
"env": {
"NEXUS_DEMO_MODE": "YOUR_NEXUS_DEMO_MODE_HERE",
"NOTION_TOKEN": "YOUR_NOTION_TOKEN_HERE",
"SUPABASE_URL": "YOUR_SUPABASE_URL_HERE",
"SUPABASE_KEY": "YOUR_SUPABASE_KEY_HERE",
"NEXUS_ALLOW_WRITES": "YOUR_NEXUS_ALLOW_WRITES_HERE",
"NEXUS_ALLOW_DELETES": "YOUR_NEXUS_ALLOW_DELETES_HERE"
}
}
}
}
Supabase MCP
{
"mcpServers": {
"supabase-community-supabase-mcp": {
"url": "https://supabase.com/mcp#available-tools"
}
}
}
Frequently asked questions
Nexus MCP is categorized under Databases and uses a local stdio subprocess. Supabase MCP belongs to Databases and uses a remote HTTP/SSE transport. Pick Nexus MCP for databases work and Supabase MCP 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.
Nexus MCP has no declared pricing — check the project's own site. Auth: api key required. Supabase MCP is listed as free. Auth: oauth 2.0. 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 nexus-mcp-4 and supabase-community-supabase-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Nexus MCP has a quality signal of 40/100 (Fair) with 0 views, 0 installs and 0 GitHub stars. Supabase MCP has 60/100 (Good) with 5 views, 0 installs and 2,953 GitHub stars.