A side-by-side look at the Planetscale MCP and MCP Mongo Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Planetscale MCP for databases work over a hosted endpoint; choose MCP Mongo Server for databases as a local process. You can also run both side by side in one mcpServers block.
MCP_MONGODB_URI, MCP_MONGODB_READONLY, MCP_MONGODB_ALLOW_CROSS_DB, MCP_MONGODB_ALLOW_SERVER_JS, MCP_PORT, MCP_HTTP_ALLOWED_ORIGINS, MCP_HTTP_JSON_LIMIT, MCP_HTTP_AUTH_TOKEN.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Databases | Databases |
| Quality signal | 49/100 · Fair | 47/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Remote HTTP/SSE | Local subprocess (stdio) |
| Auth | API key required | No auth required |
| Pricing | BYOK (pay the provider) | Free |
| Required env vars | None listed | MCP_MONGODB_URIMCP_MONGODB_READONLYMCP_MONGODB_ALLOW_CROSS_DBMCP_MONGODB_ALLOW_SERVER_JSMCP_PORTMCP_HTTP_ALLOWED_ORIGINSMCP_HTTP_JSON_LIMITMCP_HTTP_AUTH_TOKEN |
| Verified owner | Community listing | Community listing |
| GitHub stars | 672 | 282 |
| Directory activity | 2 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | Not listed | Not listed |
| Full listing | View Planetscale MCP | View MCP Mongo Server |
No tool names declared yet. Check the project README from the listing page.
No tool names declared yet. Check the project README from the listing page.
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.
{
"mcpServers": {
"planetscale-mcp": {
"url": "https://planetscale.com/docs/connect/mcp"
}
}
}
{
"mcpServers": {
"kiliczsh-mcp-mongo-server": {
"command": "npx",
"args": [
"-y",
"mcp-mongo-server"
],
"env": {
"MCP_MONGODB_URI": "YOUR_MCP_MONGODB_URI_HERE",
"MCP_MONGODB_READONLY": "YOUR_MCP_MONGODB_READONLY_HERE",
"MCP_MONGODB_ALLOW_CROSS_DB": "YOUR_MCP_MONGODB_ALLOW_CROSS_DB_HERE",
"MCP_MONGODB_ALLOW_SERVER_JS": "YOUR_MCP_MONGODB_ALLOW_SERVER_JS_HERE",
"MCP_PORT": "YOUR_MCP_PORT_HERE",
"MCP_HTTP_ALLOWED_ORIGINS": "YOUR_MCP_HTTP_ALLOWED_ORIGINS_HERE",
"MCP_HTTP_JSON_LIMIT": "YOUR_MCP_HTTP_JSON_LIMIT_HERE",
"MCP_HTTP_AUTH_TOKEN": "YOUR_MCP_HTTP_AUTH_TOKEN_HERE"
}
}
}
}