Developer Tools & Repos Agent Skills for Claude Code

Agent skill for dev-backend-api - invoke with $agent-dev-backend-api

Build or review Langfuse backend code. Use for tRPC routers, public REST APIs, BullMQ processors, services, middleware, Prisma or…

Backend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API…

Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting…

Bun as runtime, package manager, bundler, and test runner.

Generate or update the CHANGELOG.md for a new release version.

Implement Clerk authentication for native Android apps using Kotlin and

Operate the Clerk CLI (`clerk` binary) for authentication, user/org/session management, impersonation, local webhook testing, deploy…

Add Clerk authentication to Expo and React Native apps using @clerk/expo.

Implement Clerk authentication for native Swift and iOS apps using ClerkKit

Designs or reviews CLIs so coding agents can run them reliably: non-interactive flags, layered --help with examples, stdin/pipelines, fast…

Inspect the MCP server status, list registered tools and scopes, run tool invocations, and manage MCP audit logs from the CLI.

Review, refactor, document, and validate code changes in the current branch

Formats Python code using the black formatter

Create Git branches following the Conventional Branch specification (feature/, bugfix/, hotfix/, release/, chore/).

EAS service (paid). Run and control a user's app on a remote iOS/Android simulator hosted on EAS cloud. Read before running any `eas…

EAS service (paid). Check the health of published EAS Update: crash rates, install/launch counts, unique users, payload size, and the…

Framework (OSS). Integrate Expo and React Native into an existing native iOS or Android app. Use when the user mentions brownfield…

Framework (OSS). Use Expo DOM components to run web code in a webview on native and as-is on web. Migrate web code to native…

Framework (OSS). Expo's official example projects - the expo/examples repo of ~70 `with-*` integrations (Stripe, Clerk, Supabase, OpenAI…

Framework (OSS). Build beautiful, native-feeling Expo screens. Covers Apple HIG styling, semantic colors, native controls, SF Symbols…