Postman Claude Skill is Open Sourced

Hey everyone! When Anthropic announced Skills last Thursday, I started working on a POC. Needless to say, the new Claude skill works really well in Claude Code.

Capabilities

:white_check_mark: Discover Phase

  • List collections, environments, monitors, and APIs

  • Get detailed resource information

  • Workspace resource discovery

  • Error handling with retry logic

:white_check_mark: Design Phase

  • Validate API schemas (OpenAPI, Swagger, GraphQL)

  • Get API versions and compare changes

  • Manage API definitions and versions

  • Create, update, and delete APIs

:white_check_mark: Build Phase

  • Create new collections and environments

  • Update existing collections and environments

  • Delete collections and environments

  • Duplicate collections and environments

  • Add requests to collections

  • Manage environment variables (including secrets)

:white_check_mark: Test Phase

  • Run collection tests with Newman integration

  • Execute test suites with environment variables

  • Parse and format test results

  • Detailed pass/fail reporting with assertions

:white_check_mark: Secure Phase

  • Check authentication configuration

  • Review security settings in collections

  • Identify unsecured endpoints

  • Get security recommendations

:white_check_mark: Deploy Phase

  • Create and manage mock servers

  • List all mocks in workspace

  • Update mock server configuration

  • Delete mock servers

:white_check_mark: Observe Phase

  • Create, update, and delete monitors

  • List all monitors with status

  • View monitor run history and analytics

  • Analyze success rates and response times

  • Get detailed run diagnostics

:white_check_mark: Distribute Phase

  • View API documentation

  • Assess documentation quality and completeness

  • Check for missing descriptions or examples

  • Get recommendations for improving docs

If you’d like to try it yourself, here is the link. And better yet, HELP ME continue to build this skill.

How does it connect to postman? Through API key or Oauth?