Opentreeoflife vs AnchorRegistry

In-depth architectural comparison of the Opentreeoflife and AnchorRegistry 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.

Which MCP Server Should You Choose?

O

Choose Opentreeoflife when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: match_names, taxon_info, common_ancestor.

Explore Opentreeoflife Details

Choose AnchorRegistry when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: ar_verify_arid, ar_verify_by_hash, ar_resolve_tree.

Explore AnchorRegistry Details

Feature & Specification Comparison

Specification	O Opentreeoflife Developer Tools	AnchorRegistry Developer Tools
Summary	Open Tree of Life MCP.	On-chain provenance lookup for AnchorRegistry. Resolve AR-IDs, hashes, and full trees. Authless.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

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).

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

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

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