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Vdiff MCP Server

Breaking-change diffs for npm packages: removed exports, changed signatures, migration notes.

Local serverstdioTypeScript

What is the Vdiff MCP Server?

Breaking-change diffs for npm packages: removed exports, changed signatures, migration notes.

What it actually does

A breaking-change diff API for npm packages. Given a package and two versions, it returns a structured, machine-readable list of what actually broke: removed exports, changed function signatures, and removed or changed class and interface members. Each entry includes the before and after signatures plus a short migration note.

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

How to install the Vdiff MCP Server

{
  "mcpServers": {
    "vdiff": {
      "command": "npx",
      "args": ["-y", "vdiff-mcp"],
      "env": {
        "DATABASE_URL": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

VariableDescriptionRequired
DATABASE_URLEndpoint or connection string the server talks to.Yes

Example prompts to try

  • “Use Vdiff to Endpoint.”
  • “Use Vdiff to Configuration.”

Frequently asked questions

Breaking-change diffs for npm packages: removed exports, changed signatures, migration notes. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.

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