Multi-Database MCP Server

105 tools. 39 can modify or destroy data without limits.

7 destructive tools with no built-in limits. Policy required.

Last updated:

39 can modify or destroy data
66 read-only
105 tools total

Community server · catalogue entry verified 04/07/2026

How to control Multi-Database MCP Server ↓

What Multi-Database MCP Server exposes to your agents

Read (66) Write / Execute (32) Destructive / Financial (7)
Critical Risk

The most dangerous Multi-Database MCP Server tools

39 of Multi-Database MCP Server's 105 tools can modify, destroy, or commit something on every call — and an agent calls them with no built-in limits.

How to control Multi-Database MCP Server

PolicyLayer is an MCP gateway — it sits between your AI agents and Multi-Database MCP Server, and nothing reaches the server without passing your rules. These are the rules we recommend:

Deny destructive operations
{
  "mongodb_delete_many": {
    "deny_if": [
      {
        "conditions": [],
        "on_deny": "Blocked by default. Requires approval."
      }
    ]
  }
}

Destructive tools should never be available to autonomous agents without human approval.

Rate limit write operations
{
  "mongodb_create_index": {
    "limits": [
      {
        "counter": "mongodb_create_index_per_hour",
        "window": "hour",
        "max": 30,
        "scope": "grant"
      }
    ]
  }
}

Prevents bulk unintended modifications from agents caught in loops.

Cap read operations
{
  "mongodb_collection_stats": {
    "limits": [
      {
        "counter": "mongodb_collection_stats_per_minute",
        "window": "minute",
        "max": 60,
        "scope": "grant"
      }
    ]
  }
}

Controls API costs and prevents retry loops from exhausting upstream rate limits.

  1. Create a free account and register Multi-Database MCP Server — nothing to install.
  2. Add these rules — paste them, or build them visually. Tune the limits to your setup.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
ENFORCE POLICY ON MULTI-DATABASE →

Instant setup, no code required.

All 105 Multi-Database MCP Server tools

READ 66 tools
Read mongodb_collection_stats Get statistics about a MongoDB collection Read mongodb_count Count documents in a MongoDB collection Read mongodb_find Find documents in a MongoDB collection Read mongodb_list_collections List all collections in a MongoDB database Read mongodb_list_databases List all databases on the MongoDB server Read mongodb_list_indexes List all indexes on a MongoDB collection Read mongodb_server_status Get MongoDB server status information Read mysql_database_info Get MySQL database server information Read mysql_describe_table Get detailed information about a table structure Read mysql_explain_query Explain a query execution plan Read mysql_list_constraints List all constraints for a table (foreign keys, primary keys, unique) Read mysql_list_databases List all databases in the MySQL server Read mysql_list_functions List all stored functions in a database Read mysql_list_indexes List all indexes for a table Read mysql_list_procedures List all stored procedures in a database Read mysql_list_tables List all tables in the database or a specific database Read mysql_list_triggers List all triggers for a table or database Read mysql_list_views List all views in a database Read mysql_processlist List currently running processes/queries in the database Read mysql_query Execute a SELECT query on MySQL database Read mysql_table_status Get detailed status information about tables Read postgres_active_queries List currently running queries in the database Read postgres_database_info Get PostgreSQL database server information Read postgres_describe_table Get detailed information about a table structure Read postgres_explain_query Explain a query execution plan (EXPLAIN ANALYZE) Read postgres_index_usage Get index usage statistics for a table or all tables in schema Read postgres_list_constraints List all constraints for a table (foreign keys, primary keys, unique, check) Read postgres_list_functions List all functions and procedures in a schema Read postgres_list_indexes List all indexes for a table Read postgres_list_materialized_views List all materialized views in a schema Read postgres_list_schemas List all schemas in the database Read postgres_list_sequences List all sequences in a schema Read postgres_list_tables List all tables in the database or a specific schema Read postgres_list_triggers List all triggers for a table Read postgres_list_views List all views in a schema Read postgres_lock_info Get information about current locks in the database Read postgres_query Execute a SELECT query on PostgreSQL database Read postgres_table_stats Get statistics about a table (size, row count, index size, etc) Read redis_exists Check if one or more keys exist Read redis_get Get value from Redis by key Read redis_hget Get the value of a hash field Read redis_hgetall Get all fields and values in a hash Read redis_info Get Redis server information Read redis_keys Find keys matching a pattern Read redis_lrange Get a range of elements from a list Read redis_mget Get values of multiple keys Read redis_smembers Get all members in a set Read redis_ttl Get the time to live for a key Read redis_zrange Get a range of members from a sorted set by index Read sqlserver_active_sessions List currently active sessions in the database Read sqlserver_database_info Get SQL Server database server information Read sqlserver_describe_table Get detailed information about a table structure Read sqlserver_explain_query Get query execution plan Read sqlserver_list_constraints List all constraints for a table (foreign keys, primary keys, unique, check) Read sqlserver_list_databases List all databases in the SQL Server instance Read sqlserver_list_indexes List all indexes for a table Read sqlserver_list_schemas List all schemas in the database Read sqlserver_list_tables List all tables in the database or a specific schema Read sqlserver_query Execute a SELECT query on SQL Server database Read sqlserver_table_stats Get statistics about a table (size, row count, index size, etc) Read swagger_execute_get Execute a GET request (read-only, safe) Read swagger_generate_example_request Generate an example request with sample values Read swagger_get_endpoint_details Get detailed information about a specific API endpoint Read swagger_list_endpoints_by_tag List all endpoints belonging to a specific tag Read swagger_list_tags List all API tags/categories Read swagger_search_tools Search for available API tools/endpoints in the Swagger spec

Related servers

Other MCP servers with similar tools — same risk classification, starter policies for each.

Questions about Multi-Database MCP Server

Can an AI agent delete data through the Multi-Database MCP Server MCP server? +

Yes. The Multi-Database MCP Server server exposes 7 destructive tools including mongodb_delete_many, mongodb_delete_one, mongodb_drop_index. These permanently remove resources with no undo. PolicyLayer blocks destructive tools by default so they never reach the upstream server.

How do I prevent bulk modifications through Multi-Database MCP Server? +

The Multi-Database MCP Server server has 17 write tools including mongodb_create_index, mongodb_insert_many, mongodb_insert_one. Set a rate limit in your policy -- for example, 10 calls per hour prevents an agent from making more than 10 modifications per hour. PolicyLayer enforces this at the gateway, before calls reach Multi-Database MCP Server.

How many tools does the Multi-Database MCP Server MCP server expose? +

105 tools across 4 categories: Destructive, Execute, Read, Write. 66 are read-only. 39 can modify, create, or delete data.

How do I enforce a policy on Multi-Database MCP Server? +

Register the Multi-Database MCP Server MCP server in PolicyLayer, apply the suggested rules above (adjust the limits to your use case), and point your AI client at the PolicyLayer proxy URL instead of the server directly. Your agents keep the same tools; PolicyLayer evaluates every call against policy before it executes. Nothing to install, live in minutes.

Enforce policy on every Multi-Database MCP Server tool call.

Deterministic rules across all 105 Multi-Database MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Instant setup, no code required.

105 Multi-Database MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

// GET IN TOUCH

Have a question or want to learn more? Send us a message.

Message sent.

We'll get back to you soon.