What is the key difference between MCP Obsidian and Ratatosk MCP?

MCP Obsidian belongs to the Knowledge & Memory category with local stdio execution, while Ratatosk MCP belongs to the Knowledge & Memory category with local stdio execution.

How do I install MCP Obsidian or Ratatosk MCP 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 Obsidian and Ratatosk MCP free or paid?

MCP Obsidian operates under a Free / Open Source model (No auth required). Ratatosk MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

MCP Obsidian lists 6 tools with 4 views and 1,655 GitHub stars. Ratatosk MCP lists 0 tools with 0 views and 2 GitHub stars.

Can I use both MCP Obsidian and Ratatosk MCP 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 Obsidian vs Ratatosk MCP

In-depth architectural comparison of the MCP Obsidian and Ratatosk MCP 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 Obsidian

Knowledge & Memory · Local stdio

Quality: 61/100 (Good) | Auth: No auth required

Ratatosk MCP

Knowledge & Memory · Local stdio

Quality: 31/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose MCP Obsidian if you need specialized Knowledge & Memory tools running via a local process. Choose Ratatosk MCP if your workspace requires Knowledge & Memory 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 Obsidian when:

You need dedicated capabilities in the Knowledge & Memory domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Local stdio MCP access to an Obsidian vault, Note reading, writing, patching, moving, and deletion, Multi-word search with BM25 reranking.

Explore MCP Obsidian Details

Choose Ratatosk MCP when:

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

Explore Ratatosk MCP Details

Feature & Specification Comparison

Specification	MCP Obsidian bitbonsai Knowledge & Memory	Ratatosk MCP Knowledge & Memory
Summary	Universal AI bridge for Obsidian vaults using MCP. Provides safe read/write access to notes with 11 comprehensive methods for vault operations including search, batch operations, tag management, and frontmatter handling. Works with Claude, ChatGPT, and any MCP-compatible AI assistant.	CNCF release intelligence: typed facts from release notes; check_stack compares versions locally.
Category & Scope	Knowledge & Memory

Tools & Capabilities Breakdown

MCP Obsidian Tools (6)

Local stdio MCP access to an Obsidian vault

Note reading, writing, patching, moving, and deletion

Multi-word search with BM25 reranking

Frontmatter and tag management

Vault statistics, directory listing, and batch reads

Read-only mode and vault-root path restrictions

Ratatosk MCP Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

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 Obsidian Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "bitbonsai-mcp-obsidian": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/inspector"
      ]
    }
  }
}

Ratatosk MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "ratatosk-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "ratatosk-mcp"
      ]
    }
  }
}

Frequently Asked Questions

MCP Obsidian is categorized under Knowledge & Memory and uses a local stdio subprocess. In contrast, Ratatosk MCP belongs to Knowledge & Memory using local stdio subprocess. Select MCP Obsidian when you need capabilities focused on knowledge & memory and Ratatosk MCP when you require tools for knowledge & memory.

More alternatives to MCP Obsidian More alternatives to Ratatosk MCP Knowledge & Memory category hub