Best Claude Skills Starter Kit alternatives
8 tools that solve the same problem as Claude Skills Starter Kit, ranked by how they are performing in the directory.

Routebase
routebase.devThe single source of truth for your APIs: design, mock, test, and document APIs from one living spec.
- Developer Tools
- Design

Google Antigravity
antigravity.googleExperience liftoff with the next-gen agent platform
- Developer Tools
- Design

Knowl Cloud
knowl.cloudKnowl is an MCP memory server for Claude Code, Cursor and Codex.
- Developer Tools
- Design
VTCode
github.comVT Code is an open-source Rust terminal coding agent.
- Developer Tools
- Design
- Open source
Coder Eval
github.comTest that your Claude Code skills, MCP servers, and CLIs actually work when an agent uses them — sandboxed YAML suites, activation checks, A/B experiments, CI…
- Developer Tools
- Design
- Open source