Agent skills for ChatGPT

Design LLM applications using LangChain 1.x and LangGraph for agents, memory, and tool integration.

Install and configure Langfuse SDK authentication for LLM observability.

LLM observability platform for tracing, evaluation, prompt management, and cost tracking.

LangGraph Functional API with @entrypoint and @task decorators.

Guide for using the langium-ai (LAI) CLI to generate language descriptors, synthesize system prompts, run evaluations, and iteratively…

Check grammar, style, and spelling across 25+ languages with LanguageTool.

Manages enterprise schedules, primary calendars, attendees, and RSVP metadata via the Lansenger CLI and SDK.

Retrieves and parses Lansenger chat lists, direct messages, and group conversation histories using cursor pagination and month-splitting.

Integrates Claude with the Lansenger (蓝信) enterprise communication platform to manage messages, contacts, groups, calendars, and automated…

Navigates enterprise organizational structures, department hierarchies, and staff member lists within Lansenger.

Manages OAuth2 user authorization flows, token lifecycles, and callback handling for Lansenger enterprise apps.

Guides high-performance Lansenger SDK programming for batch processing, concurrent data extraction, deep pagination, and resilient data…

Manages progressive typing status and streaming message sessions for Lansenger AI agents in private and group chats.

Manages enterprise todo tasks and approval workflows across mobile and desktop platforms via the Lansenger CLI and SDK.

Laravel AI SDK for building AI-powered features.

Laravel architecture patterns, routing/controllers, Eloquent ORM, service layers, queues, events, caching, and API resources for…

Laravel MCP server development. Use when building MCP servers, tools, prompts, or resources for AI client integration. Triggers on tasks…

Guides Laravel application architecture — controllers, Eloquent, service/action layers, queues, and API resources.

Use when configuring Laravel-specific auth/session/CSRF/authorization plumbing - Sanctum SPA authentication, session cookie hardening…

Build and configure Laravel 10+ applications, including creating Eloquent models and relationships, implementing Sanctum authentication…

Test-driven development for Laravel with PHPUnit and Pest, factories, database testing, fakes, and coverage targets.