What is the key difference between Hebbian Vault and Obsidian MCP?

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

How do I install Hebbian Vault or Obsidian 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 Hebbian Vault and Obsidian MCP free or paid?

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

Which MCP server has more tools and community activity?

Hebbian Vault lists 7 tools with 0 views and 0 GitHub stars. Obsidian MCP lists 12 tools with 0 views and 1 GitHub stars.

Can I use both Hebbian Vault and Obsidian 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

Hebbian Vault vs Obsidian MCP

In-depth architectural comparison of the Hebbian Vault and Obsidian 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

Hebbian Vault

Knowledge & Memory · Local stdio

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

Obsidian MCP

Knowledge & Memory · Local stdio

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

Verdict Summary: Choose Hebbian Vault if you need specialized Knowledge & Memory tools running via a local process. Choose Obsidian 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 Hebbian Vault 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: configure_vault, vault_search, vault_read.

Explore Hebbian Vault Details

Choose Obsidian 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).
Primary tools included: vault_stats, read_note, search_notes.

Explore Obsidian MCP Details

Feature & Specification Comparison

Specification	H Hebbian Vault Knowledge & Memory	O Obsidian MCP Knowledge & Memory
Summary	Usage-adaptive Obsidian vault search: Hebbian + PageRank + BM25 hybrid ranking.	Turns Obsidian vaults into AI-queryable knowledge graphs with 12 tools
Category & Scope	Knowledge & Memory	Knowledge & Memory
Quality signal

Tools & Capabilities Breakdown

Hebbian Vault Tools (7)

configure_vault

Point the server at a vault at runtime (if not set via `--vault`)

vault_search

Hybrid ranked search (BM25 + PageRank + Hebbian)

vault_read

Read a note with frontmatter, links, and Hebbian metadata

vault_neighbors

Find connected notes by wikilinks (1-hop or 2-hop)

vault_hot

Top-N most-used files by Hebbian score

vault_stats

Vault analytics (files, links, orphans, hubs)

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).

Hebbian Vault Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "hebbian-vault": {
      "command": "uvx",
      "args": [
        "hebbian-vault",
        "--vault",
        "/path/to/vault"
      ]
    }
  }
}

Obsidian MCP Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

More alternatives to Hebbian Vault More alternatives to Obsidian MCP Knowledge & Memory category hub