Froglet vs Vigil — an outside witness for AI agents

In-depth architectural comparison of the Froglet and Vigil — an outside witness for AI agents 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?

Choose Froglet 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).

Explore Froglet Details

V

Choose Vigil — an outside witness for AI agents 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).

Explore Vigil — an outside witness for AI agents Details

Feature & Specification Comparison

Specification	Froglet Developer Tools	V Vigil — an outside witness for AI agents Developer Tools
Summary	Run hosted proofs, signed receipts, service discovery, and local install planning.	Agent leases, signed receipts, watchdogs, and optional paid source-verification evidence.
Category & Scope	Developer Tools	Developer Tools

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

{
  "mcpServers": {
    "vigil-an-outside-witness-for-ai-agents": {
      "command": "npx",
      "args": [
        "-y",
        "vigil-an-outside-witness-for-ai-agents"
      ]
    }
  }
}

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