What is the key difference between Obsidian MCP and A Mem MCP?

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

How do I install Obsidian MCP or A Mem 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 Obsidian MCP and A Mem MCP free or paid?

Obsidian MCP operates under a BYOK (Pay Provider Direct) model (OAuth 2.0). A Mem MCP operates under a Free / Open Source model (API Key required).

Which MCP server has more tools and community activity?

Obsidian MCP lists 6 tools with 2 views and 12 GitHub stars. A Mem MCP lists 8 tools with 3 views and 35 GitHub stars.

Can I use both Obsidian MCP and A Mem 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

Obsidian MCP vs A Mem MCP

In-depth architectural comparison of the Obsidian MCP and A Mem 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

Obsidian MCP

Knowledge & Memory · Local stdio

Quality: 47/100 (Fair) | Auth: OAuth 2.0

A Mem MCP

Knowledge & Memory · Local stdio

Quality: 49/100 (Fair) | Auth: API Key required

Verdict Summary: Choose Obsidian MCP if you need specialized Knowledge & Memory tools running via a local process. Choose A Mem 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 Obsidian MCP when:

You need dedicated capabilities in the Knowledge & Memory domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: OAuth 2.0 (BYOK (Pay Provider Direct)).
You have access to required keys: DATABASE_URL, OAUTH_CLIENT_ID, OAUTH_CLIENT_SECRET, OAUTH_REDIRECT_URI, EMBEDDING_PROVIDER, OPENAI_API_KEY.
Primary tools included: Semantic and full-text search via PostgreSQL with pgvector, Atomic CRUD operations on markdown notes, Wikilink graph traversal for contextual navigation.

Explore Obsidian MCP Details

Choose A Mem MCP when:

You need dedicated capabilities in the Knowledge & Memory domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: .

Feature & Specification Comparison

Specification	Obsidian MCP maxkuminov Knowledge & Memory	A Mem MCP Knowledge & Memory
Summary	Self-hosted MCP server for Obsidian with semantic + full-text search over PostgreSQL/pgvector, wikilink graph traversal, atomic note CRUD, OAuth 2.0, and a self-describing vault guide.	Self-evolving memory system for AI agents
Category & Scope	Knowledge & Memory

Tools & Capabilities Breakdown

Obsidian MCP Tools (6)

Semantic and full-text search via PostgreSQL with pgvector

Atomic CRUD operations on markdown notes

Wikilink graph traversal for contextual navigation

Self-describing vault guide for automatic schema and convention discovery

OAuth 2.0 authentication support

Pluggable embeddings including Ollama bge-m3 and OpenAI text-embedding-3 variants

A Mem MCP Tools (8)

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).

Obsidian MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "maxkuminov-obsidian-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "maxkuminov-obsidian-mcp"
      ],
      "env": {
        "DATABASE_URL": "YOUR_DATABASE_URL_HERE",
        "OAUTH_CLIENT_ID": "YOUR_OAUTH_CLIENT_ID_HERE",
        "OAUTH_CLIENT_SECRET": "YOUR_OAUTH_CLIENT_SECRET_HERE",
        "OAUTH_REDIRECT_URI": "YOUR_OAUTH_REDIRECT_URI_HERE",
        "EMBEDDING_PROVIDER": "YOUR_EMBEDDING_PROVIDER_HERE",
        "OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE"
      }
    }
  }
}

A Mem MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "a-mem-mcp": {
      "command": "uvx",
      "args": [
        "a-mem"
      ],
      "env": {
        "LLM_BACKEND": "YOUR_LLM_BACKEND_HERE",
        "LLM_MODEL": "YOUR_LLM_MODEL_HERE",
        "OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE",
        "OPENROUTER_API_KEY": "YOUR_OPENROUTER_API_KEY_HERE",
        "EMBEDDING_MODEL": "YOUR_EMBEDDING_MODEL_HERE",
        "CHROMA_DB_PATH": "YOUR_CHROMA_DB_PATH_HERE",
        "EVO_THRESHOLD": "YOUR_EVO_THRESHOLD_HERE"
      }
    }
  }
}

Frequently Asked Questions

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

More alternatives to Obsidian MCP More alternatives to A Mem MCP Knowledge & Memory category hub Canonical compare URL