ANTHROPIC_API_KEY= LANGSMITH_API_KEY= LANGSMITH_TRACING=true LANGSMITH_ENDPOINT=https://api.smith.langchain.com LANGSMITH_PROJECT=comet-skill-eval # The Claude Code plugin variables (TRACE_TO_LANGSMITH and CC_LANGSMITH_*) are # derived from these LANGSMITH_* settings by the eval suite. # Optional: name the experiment (project) per treatment for CONTROL vs skill comparison. # LANGSMITH_EXPERIMENT=COMET_FULL_040_BETA # Optional trajectory tracing via the official langsmith-tracing plugin. # When LANGSMITH_TRACING=true, the suite auto-builds the plugin into # eval/.cache/langsmith-cc-plugin via node:20; unset disables tracing only. # CC_LANGSMITH_PLUGIN_DIR=/abs/path/to/comet/eval/.cache/langsmith-cc-plugin # CC_LANGSMITH_PLUGIN_AUTO_BUILD=true