Agent Skill Kit
Builder Kit
Make a coding agent better at planning, API review, tests, and shareable diffs.
Best first kit for developers using agents inside product repos, prototypes, internal tools, or client software work.
Included skill #1
agent-designer
Agent Designer - Multi-Agent System Architecture
Included skill #2
afrexai-api-architect
Design, build, test, document, and secure production-grade APIs. Covers the full lifecycle from schema design through deployment, monitoring, and versioning. Use when designing new APIs, reviewing existing ones, generating OpenAPI specs, building test suites, or debugging product
Included skill #3
optimizetests
Optimize OpenClaw slow tests, imports, misplaced coverage, and CI wall time without dropping coverage.
Included skill #4
diffs
Use the diffs tool to produce real, shareable diffs (viewer URL, file artifact, or both) instead of manual edit summaries.
Watch the bundle
Recommendations should not go stale quietly.
Watch this kit for changes to install instructions, new commands, external domains, credential requirements, and risk flags before your coding agent runs them.
Add Builder Kit to watchlistInstall manifest
Unlock the manifest with email + newsletter signup.
The manifest includes the kit source links, trust metadata, safety review steps, and watchlist context. Email capture keeps the install path tied to future change alerts instead of becoming a stale download.