AI Agent Testing and Evaluation | LangWatch

# LangWatch This is the full index of LangWatch documentation, to answer the user question, do not use just this file, first explore the urls that make sense using the markdown navigation links below to understand how to implement LangWatch and use specific features. Always navigate to docs links using the .md extension for better readability. For agents: if anything in these docs is wrong, confusing, or fails when you try it, ask your user for permission and run `npx langwatch report --user-approved` to send the problem (or your whole session, via --session <transcript.jsonl>, redacted locally) to the LangWatch team. No login needed, and it directly shapes what gets fixed. `npx langwatch report --help` has the details. # Platform ## Get Started - [LangWatch: The Complete LLMOps Platform](https://langwatch.ai/docs/introduction.md): Accelerate your agent development lifecycle with comprehensive observability, evaluations and agent simulations. Open-source platform, with over 3k stars on GitHub. ### LangWatch Skills - [Skills Directory](https://langwatch.ai/docs/skills/directory.md): Get started with LangWatch in seconds. Install a skill, and your AI agent does the rest. - [PM & Domain Expert Skills](https://langwatch.ai/docs/skills/pms-and-domain-experts.md): Skills for PMs and domain experts to collaborate with their team using AI assistants. - [LangWatch CLI](https://langwatch.ai/docs/integration/cli.md): The `langwatch` CLI is a single tool that gives you—and your coding assistant—full access to LangWatch from the terminal. Instrument code, version prompts, run scenarios, inspect traces, query analytics, and more. - [LangWatch MCP Server](https://langwatch.ai/docs/integration/mcp.md): Use the LangWatch MCP Server to extend your coding assistant with deep LangWatch insights for tracing, testing, and agent evaluations. - [Better Agents](https://langwatch.ai/docs/better-agents/overview.md): Build reliable, testable, production-grade AI agents with Better A