Agentsnap

Overview

Agentsnap is an MCP server that brings snapshot testing to AI tool-call traces. It lets you diff, validate, and catch silent regressions in agent behavior by capturing and comparing tool invocation patterns. Any MCP-compatible AI assistant can call Agentsnap's tools directly, with the model deciding when to use them during conversation or agent runs.

The server runs locally via the npm package @mukundakatta/agentsnap-mcp, communicating over stdio with no credentials needed. Version v0.1.0 is available now under the MIT license, with full source code at MukundaKatta/agentsnap-mcp on GitHub.

Agentsnap belongs in the AI & Agents category and integrates with all MCP clients including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, and Zed. If you maintain this project, claim your listing on mcp.site to earn a Verified badge and keep information up to date.

Installation

// claude_desktop_config.json
{
  "mcpServers": {
    "agentsnap": {
      "command": "npx",
      "args": [
        "-y",
        "@mukundakatta/agentsnap-mcp"
      ]
    }
  }
}