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LangWatch

LLM engineering platform for simulation-based agent testing, LLM-as-judge evals and OpenTelemetry trace observability, tracing and mocking tool and MCP calls.

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About LangWatch

LLM engineering platform for simulation-based agent testing, LLM-as-judge evals and OpenTelemetry trace observability, tracing and mocking tool and MCP calls. Details were read from the publisher’s repository and product pages; nothing was installed or executed.

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Where do I start with LangWatch?

Start from the project website and its documentation.

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Source information collected September 9, 2026.

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