MCP Mongo Server vs Planetscale MCP
A side-by-side look at the MCP Mongo Server and Planetscale MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose MCP Mongo Server for databases work as a local process; choose Planetscale 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?
Choose MCP Mongo Server when
- You need dedicated capabilities in the Databases domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You have the keys it needs:
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.
Choose Planetscale MCP when
- You need dedicated capabilities in the Databases domain.
- You prefer a remote HTTP/SSE transport.
- Its auth model fits you: API key required.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Databases | Databases |
| Quality signal | 47/100 · Fair | 49/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | No auth required | API key required |
| Pricing | Free | BYOK (pay the provider) |
| Required env vars | MCP_MONGODB_URIMCP_MONGODB_READONLYMCP_MONGODB_ALLOW_CROSS_DBMCP_MONGODB_ALLOW_SERVER_JSMCP_PORTMCP_HTTP_ALLOWED_ORIGINSMCP_HTTP_JSON_LIMITMCP_HTTP_AUTH_TOKEN | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 282 | 672 |
| Directory activity | 3 views 0 installs 0 upvotes | 2 views 0 installs 0 upvotes |
| Tools | Not listed | Not listed |
| Full listing | View MCP Mongo Server | View Planetscale MCP |
Tools & capabilities
MCP Mongo Server tools
No tool names declared yet. Check the project README from the listing page.
Planetscale 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.
MCP Mongo Server
{
"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"
}
}
}
}
Planetscale MCP
{
"mcpServers": {
"planetscale-mcp": {
"url": "https://planetscale.com/docs/connect/mcp"
}
}
}
Frequently asked questions
MCP Mongo Server is categorized under Databases and uses a local stdio subprocess. Planetscale MCP belongs to Databases and uses a remote HTTP/SSE transport. Pick MCP Mongo Server for databases work and Planetscale 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.
MCP Mongo Server is listed as free. Auth: no auth required. Planetscale MCP is bring-your-own-key: usage is billed by the API provider you supply a key for. Auth: api key required. 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 kiliczsh-mcp-mongo-server and planetscale-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, MCP Mongo Server has a quality signal of 47/100 (Fair) with 3 views, 0 installs and 282 GitHub stars. Planetscale MCP has 49/100 (Fair) with 2 views, 0 installs and 672 GitHub stars.