Pact Tooling for VS Code

io.github.pact-community-organization/pact

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

client:VS Code transport:stdio runtime:npm

Install Pact Tooling in VS Code

.vscode/mcp.json

{
  "inputs": [
    {
      "type": "promptString",
      "id": "pact-community-workspace-root",
      "description": "PACT_COMMUNITY_WORKSPACE_ROOT",
      "password": true
    },
    {
      "type": "promptString",
      "id": "pact-community-pact-bin",
      "description": "PACT_COMMUNITY_PACT_BIN",
      "password": true
    }
  ],
  "servers": {
    "pact": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@pact-community/mcp-pact"
      ],
      "env": {
        "PACT_COMMUNITY_WORKSPACE_ROOT": "${input:pact-community-workspace-root}",
        "PACT_COMMUNITY_PACT_BIN": "${input:pact-community-pact-bin}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

Pact Tooling in other clients

Pact Tooling MCP server