Skills and MCP tagged “langchain”

caveman-setup JuliusBrussee skill Routes LLM API calls through the Caveman Cloud gateway to measure token costs without altering app behavior. Useful for tracking model spend across a repo. Claude Code CX Codex Cursor +1 102,500installs prompt-engineering-patterns Seth Hobson skill This skill helps design, test, and refine prompts for LLM applications. Use it for reusable templates, few-shot examples, and structured responses. Claude Code CX Codex Cursor 23,418installs skill-creator langchain-ai skill Guides agents in scaffolding, validating, and structuring custom skills. It cuts token overhead by separating scripts, docs, and assets. Claude Code CX Codex Cursor +1 1,300installs langchain-architecture Seth Hobson skill This skill helps design LangChain 1.x and LangGraph applications with agents, memory, state, and tool calls. Use it for multi-step LLM workflows. Claude Code CX Codex Cursor 13,150installs