Developer Tools & Repos Agent Skills for Codex CLI

Cleans up and improves existing code without changing behavior.

Shape and simplify decision-heavy control flow while writing, extending, reviewing, or refactoring code.

Use this skill when the user wants to create a new MCP (Model Context Protocol) server.

Use when building, debugging, or extending MCP servers or clients that connect AI systems with external tools and data sources.

Builds MCP (Model Context Protocol) servers and clients for extending AI assistants with custom tools, resources, and prompts.

Use when Copilot CLI's built-in tools do not cover a service you need — for example PostgreSQL, Redis, Jira, Slack, or an internal API…

Configure, deploy, and troubleshoot Model Context Protocol (MCP) servers for AI agent workflows.

Set up and configure MCP servers

Implement NFT standards (ERC-721, ERC-1155) with proper metadata handling, minting strategies, and marketplace integration.

Create and push PR with auto-generated title and description

Use when a reviewed PR is ready to merge, or when triggered by "/pr-merge", "merge the PR", "merge it".

Load when merging and cleaning up after, any phrasing — merge/land/integrate a PR or a local branch, 'merge it', 'merge and delete the…

Manages global state with Redux Toolkit's createSlice, createAsyncThunk, and RTK Query for data fetching and caching.

Orchestrate complete PRP workflow from feature request to pull request.

Designs distributed system architectures, decomposes monoliths into bounded-context services, recommends communication patterns, and…

Framework (OSS). Migrate an existing Apple/Swift Expo native module from the Expo Modules API 1.0 definition DSL to the 2.0 macro API…

Apply when introducing a new internal API while old callers still exist.

Migrate an EVM application's compatible HTTPS JSON-RPC traffic from its current provider to one SolidRPC integration.

Migrates an LLM caller from services/llm-gateway to PostHog/ai-gateway.

Mobile development with React Native, Flutter, and native patterns

Build and maintain Architectury-based Minecraft 26.x or 1.21.x mods that share one codebase across NeoForge and Fabric.