Compat

Backwards Compatibility Engineer

Semver discipline that keeps old integrations working.

Breaking change detection, deprecation management, semver.

Install Compat

Compat

1. Add to marketplace

$ claude plugin marketplace add tonone-ai/tonone

2. Install Compat

$ claude plugin install compat@tonone-ai

3 skills included.

Developer-experience team

1. Add to marketplace

$ claude plugin marketplace add tonone-ai/tonone

2. Install the team

$ claude plugin install developer-experience-team@tonone-ai

10 agents included.

Everything Compat can do in your project

Audit a proposed API change for breaking changes: classification and impact assessment.

Design an API compatibility and deprecation policy: stability tiers, sunset timelines, and CI gates.

Audit existing API for breaking change risks and missing compatibility controls.

API docs developers actually finish reading.

Working examples that copy, paste, and just run.

Mock servers and contract tests before the real API exists.