What is the key difference between MCP Mongo Server and Obsidian Semantic Search?

MCP Mongo Server belongs to the Databases category with local stdio execution, while Obsidian Semantic Search belongs to the Databases category with local stdio execution.

How do I install MCP Mongo Server or Obsidian Semantic Search in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are MCP Mongo Server and Obsidian Semantic Search free or paid?

MCP Mongo Server operates under a Free / Open Source model (No auth required). Obsidian Semantic Search operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

MCP Mongo Server lists 6 tools with 3 views and 283 GitHub stars. Obsidian Semantic Search lists 4 tools with 2 views and 1 GitHub stars.

Can I use both MCP Mongo Server and Obsidian Semantic Search together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

MCP Mongo Server vs Obsidian Semantic Search

In-depth architectural comparison of the MCP Mongo Server and Obsidian Semantic Search MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

MCP Mongo Server

Databases · Local stdio

Quality: 47/100 (Fair) | Auth: No auth required

Obsidian Semantic Search

Databases · Local stdio

Quality: 49/100 (Fair) | Auth: No auth required

Verdict Summary: Choose MCP Mongo Server if you need specialized Databases tools running via a local process. Choose Obsidian Semantic Search if your workspace requires Databases integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose MCP Mongo Server when:

You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
You have access to required keys: 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.
Primary tools included: Collection discovery and schema inference, MongoDB queries and aggregation pipelines, Read-only mode with write-path blocking.

Explore MCP Mongo Server Details

Choose Obsidian Semantic Search when:

You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Feature & Specification Comparison

Specification	MCP Mongo Server kiliczsh Databases	Obsidian Semantic Search Databases
Summary	A Model Context Protocol Server for MongoDB	Read-only semantic search MCP server for Obsidian vaults using local Ollama embeddings.
Category & Scope	Databases	Databases

Tools & Capabilities Breakdown

MCP Mongo Server Tools (6)

Collection discovery and schema inference

MongoDB queries and aggregation pipelines

Read-only mode with write-path blocking

Insert, update, and index operations

Stdio and HTTP transports

ObjectId and time conversion helpers

Obsidian Semantic Search Tools (4)

index_status

Returns index metadata and safety settings.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

MCP Mongo Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "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"
      }
    }
  }
}

Obsidian Semantic Search Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "obsidian-semantic-search": {
      "command": "npx",
      "args": [
        "-y",
        "--package",
        "@dalecb/obsidian-semantic-mcp",
        "obsidian-semantic-mcp-setup"
      ]
    }
  }
}

Frequently Asked Questions

MCP Mongo Server is categorized under Databases and uses a local stdio subprocess. In contrast, Obsidian Semantic Search belongs to Databases using local stdio subprocess. Select MCP Mongo Server when you need capabilities focused on databases and Obsidian Semantic Search when you require tools for databases.

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