Mongodb MCP Server vs StackQL MCP Server
A side-by-side look at the Mongodb MCP Server and StackQL 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 StackQL 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 StackQL MCP Server when
- You need dedicated capabilities in the Databases domain.
- You prefer a local stdio subprocess transport.
- You want tools like
describe_method, list_methods, list_providers.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Databases | Databases |
| Quality signal | 65/100 · Great | 69/100 · Great |
| 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 | 1,146 | 1,069 |
| Directory activity | 1 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | 53 | 15 |
| Full listing | View Mongodb MCP Server | View StackQL 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
StackQL MCP Server tools 15
describe_methodFull I/O contract for one method: every input with its param_type (input_required params become exact-match WHERE predicates; input_optional ones may be added) and every output field, which are the columns a SELECT or RETURNING can reference. Call it after list_methods and before the first query against a method; there is no resource-level equivalent because each method returns its own shape. Requires provider, service, resource, method.list_methodsAccess methods (HTTP operations) for a resource with their SQL verb and required params. Pick the method whose verb matches the intent and whose required params you can supply, then describe_method it. Call when composing SQL from scratch against an unfamiliar resource; not needed when executing a vetted query library template. Requires provider, service, resource.list_providersAvailable cloud/SaaS providers (top of the hierarchy). No inputs.list_registryProviders (and their versions) available in the configured registry. Distinct from list_providers, which lists only providers already pulled. Optional provider arg lists versions for that provider.list_resourcesResources under a provider.service. Requires provider and service.list_servicesServices under a provider. Requires provider.pull_providerInstall a single provider from the registry into the local approot cache. Requires provider; version is optional (latest published is pulled when empty). Writes only local cache state; no cloud control/data plane effect.query_library_getRetrieve a query library entry by id. Without params: returns the raw template, param declarations and notes (adapt from it when no exact match exists). With params: the server validates values and returns rendered SQL plus which tool to execute it with (run_select_query or run_mutation_query). Read-only, no credentials.query_library_searchSearch the curated StackQL query library by natural-language intent. Returns ranked template ids. Consult before composing SQL from scratch; follow with query_library_get, which validates params and surfaces any the index omits. Read-only, no credentials.reload_credentialsLive-reload provider credentials: re-sources the server's configured env file into the process environment, invalidates cached auth contexts, and reports resolution status for every installed provider (optional provider arg filters the report; changed field flags values that differ from before). Never returns secret values. Credentials resolve automatically at query time - never call this at session start or before queries. Call only after a query fails with a credential resolution error (fix the env file first, then reload, then retry) or when the user says credentials have been rotated or changed. If the report shows changed: false after a failure, the file was not updated - ask the user rather than retrying.run_lifecycle_operationExecute a stackql EXEC lifecycle operation (eg EXEC aws.ec2.instances.start_instances ...). Real cloud side effects. Discover available operations and required params via list_methods and describe_method. Returns {messages, timestamp}. Gated by server mode.run_mutation_queryExecute INSERT/UPDATE/REPLACE/DELETE against the provider. Real side effects. Returns {messages, timestamp}. Gated by server mode. Consult query_library_search for a vetted template before composing SQL from scratch; when the SQL came from a library entry, pass its id as source.- +3 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.
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"
}
}
}
}
StackQL MCP Server
{
"mcpServers": {
"stackql-mcp-server": {
"command": "npx",
"args": [
"-y",
"@stackql/mcp-server"
]
}
}
}
Frequently asked questions
Mongodb MCP Server is categorized under Databases and uses a local stdio subprocess. StackQL MCP Server belongs to Databases and uses a local stdio subprocess. Pick Mongodb MCP Server for databases work and StackQL 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. StackQL 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 stackql-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 1,146 GitHub stars. StackQL MCP Server has 69/100 (Great) with 3 views, 0 installs and 1,069 GitHub stars.