Developer Tools & Repos Agent Skills

Build, launch, inspect, and drive iOS apps with the repository-configured XcodeBuildMCP server.

Framework (OSS). Build and distribute Expo development clients locally or via TestFlight for internal testing. For production TestFlight…

Stream an explicit iOS Simulator through pinned serve-sim into the T3 Code in-app browser or another agent browser.

Configure a Language Server (LSP) for a specific language so editor/agent tooling — diagnostics, go-to-definition, find-references, rename…

Formats and prettifies markdown documents

Build MCP servers with Node/TypeScript SDK — tools, resources, prompts, Zod validation, stdio vs Streamable HTTP.

List, auth, and call MCP servers/tools from the terminal.

Produce the smallest possible code change that fixes a specific, well-scoped issue (CI failure, reviewer comment, typo).

NestJS architecture patterns for modules, controllers, providers, DTO validation, guards, interceptors, config, and production-grade…

Diagnose OpenClaw Android, iOS, or macOS node pairing, QR/setup code, route, auth, and connection failures.

Agent skill for docs-api-openapi - invoke with $agent-docs-api-openapi

Clerk Organizations for B2B SaaS - create multi-tenant apps with org

Guide performance profiling for Apple platform apps with Instruments, Xcode diagnostics, and MetricKit.

Create and scaffold plugin directories for Codex with a required `.codex-plugin/plugin.json`, optional plugin folders/files, valid…

Play Pokemon via headless emulator + RAM reads.

Create and submit a GitHub PR from the current branch

Python-specific design patterns and best practices including protocols, dataclasses, context managers, decorators, async/await, type…

How to keep the UI in sync with agent changes via SSE plus polling fallback.

Resolve Git merge conflicts by extracting only unresolved paths, conflict hunks, and compact diffs instead of loading whole files into…

Idiomatic Rust patterns, ownership, error handling, traits, concurrency, and best practices for building safe, performant applications.

Spring Boot architecture patterns, REST API design, layered services, data access, caching, async processing, and logging.