Mongodb MCP Server vs Read Only Local Postgres MCP Server
A side-by-side look at the Mongodb MCP Server and Read Only Local Postgres 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 Mongodb MCP Server for databases work as a local process; choose Read Only Local Postgres 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 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.
Choose Read Only Local Postgres MCP Server when
- You need dedicated capabilities in the Databases domain.
- You prefer a local stdio subprocess transport.
- You want tools like
connect, disconnect, query.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Databases | Databases |
| Quality signal | 65/100 · Great | 52/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | MDB_MCP_CONNECTION_STRING | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 1,150 | 2 |
| Directory activity | 1 views 0 installs 0 upvotes | 2 views 0 installs 0 upvotes |
| Tools | 53 | 3 |
| Full listing | View Mongodb MCP Server | View Read Only Local Postgres MCP Server |
Tools & capabilities
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
Read Only Local Postgres MCP Server tools 3
connectConnect to a PostgreSQL database using a connection string. The connection persists for subsequent queries until changed or disconnected. The target must be `DB_HOST:DB_PORT` or listed in `DB_ALLOWED_HOSTS`.disconnectDisconnect from the current runtime database and revert to the default environment-configured connection.queryRun a read-only SQL query against the currently connected database. Optionally override the connection for a single query.
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.
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"
}
}
}
}
Read Only Local Postgres MCP Server
{
"mcpServers": {
"read-only-local-postgres-mcp-server": {
"command": "npx",
"args": [
"-y",
"@hovecapital/read-only-postgres-mcp-server"
]
}
}
}
Frequently asked questions
Mongodb MCP Server is categorized under Databases and uses a local stdio subprocess. Read Only Local Postgres MCP Server belongs to Databases and uses a local stdio subprocess. Pick Mongodb MCP Server for databases work and Read Only Local Postgres 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.
Mongodb MCP Server has no declared pricing — check the project's own site. Read Only Local Postgres 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 mongodb-mcp-server and read-only-local-postgres-mcp-server as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Mongodb MCP Server has a quality signal of 65/100 (Great) with 1 views, 0 installs and 1,150 GitHub stars. Read Only Local Postgres MCP Server has 52/100 (Good) with 2 views, 0 installs and 2 GitHub stars.