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About

Pact 5 tooling: REPL test runs, trap scanning, gas estimation, interface diff, format checks.

Use this server

Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.

Transportstdio (runs a local command)
Env varsPACT_COMMUNITY_WORKSPACE_ROOT PACT_COMMUNITY_PACT_BIN
Claude Code
claude mcp add --env PACT_COMMUNITY_WORKSPACE_ROOT= --env PACT_COMMUNITY_PACT_BIN= pact -- npx @pact-community/mcp-pact
Cursor

Add to Cursor

If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.

VS Code
code --add-mcp '{"name":"pact","command":"npx","args":["@pact-community/mcp-pact"],"env":{"PACT_COMMUNITY_WORKSPACE_ROOT":"","PACT_COMMUNITY_PACT_BIN":""}}'
JSON
{
  "mcpServers": {
    "pact": {
      "command": "npx",
      "args": [
        "@pact-community/mcp-pact"
      ],
      "env": {
        "PACT_COMMUNITY_WORKSPACE_ROOT": "",
        "PACT_COMMUNITY_PACT_BIN": ""
      }
    }
  }
}

Environment variables are listed by name only — fill in your own values. Entries never carry secrets.