MCP Mongo Server vs Mongodb MCP Server
A side-by-side look at the MCP Mongo Server and Mongodb MCP Server 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 Mongodb MCP Server for databases as a local process. 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 Mongodb MCP Server when
- You need dedicated capabilities in the Databases domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
MDB_MCP_CONNECTION_STRING. - You want tools like
aggregate, aggregate-db, collection-indexes.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Databases | Databases |
| Quality signal | 48/100 · Fair | 65/100 · Great |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | No auth required | Not declared |
| Pricing | Free | Not declared |
| 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 | MDB_MCP_CONNECTION_STRING |
| Verified owner | Community listing | Community listing |
| GitHub stars | 282 | 1,146 |
| Directory activity | 4 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | Not listed | 53 |
| Full listing | View MCP Mongo Server | View Mongodb MCP Server |
Tools & capabilities
MCP Mongo Server tools
No tool names declared yet. Check the project README from the listing page.
Mongodb MCP Server tools 53
aggregateRun an aggregation against a MongoDB collectionaggregate-dbRun an aggregation against a MongoDB databasecollection-indexesDescribe the indexes for a collectioncollection-schemaDescribe the schema for a collectioncollection-storage-sizeGets the size of the collectionconnectConnect to a MongoDB instancecountGets the number of documents in a MongoDB collection using db.collection.count() and query as an optional filter parametercreate-collectionCreates a new collection in a database. If the database doesn't exist, it will be created automatically.create-indexCreate an index for a collectiondb-statsReturns statistics that reflect the use state of a single databasedelete-manyRemoves all documents that match the filter from a MongoDB collectiondisconnectClose a MongoDB connection and revoke its connectionId.- +41 more on 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"
}
}
}
}
Mongodb MCP Server
{
"mcpServers": {
"mongodb-mcp-server": {
"command": "npx",
"args": [
"-y",
"mongodb-mcp-server@latest"
],
"env": {
"MDB_MCP_CONNECTION_STRING": "YOUR_MDB_MCP_CONNECTION_STRING_HERE"
}
}
}
}
Frequently asked questions
MCP Mongo Server is categorized under Databases and uses a local stdio subprocess. Mongodb MCP Server belongs to Databases and uses a local stdio subprocess. Pick MCP Mongo Server for databases work and Mongodb MCP Server 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. Mongodb MCP Server 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 kiliczsh-mcp-mongo-server and mongodb-mcp-server 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 48/100 (Fair) with 4 views, 0 installs and 282 GitHub stars. Mongodb MCP Server has 65/100 (Great) with 1 views, 0 installs and 1,146 GitHub stars.