{"slug":"jeremylongshore-langchain-prompt-engineering","source_name":"jeremylongshore/langchain-prompt-engineering","name":"Jeremylongshore/Langchain Prompt Engineering","description":"Manage LangChain 1.0 prompts like code — LangSmith prompt hub versioning,\nXML-tag conventions for Claude, few-shot example selection, discriminated-union\nextraction schemas, and A/B test wiring. Use when taking ad-hoc prompts into\nversion control, migrating prompts from f-strings to ChatPromptTemplate,\noptimizing prompts for Claude vs GPT-4o vs Gemini, or A/B testing a prompt\nchange. Trigger with \"langchain prompt hub\", \"langsmith prompts\",\n\"prompt versioning\", \"claude xml prompt\", \"few-shot exa","version":1,"lift":{"pass_rate_delta_pts":13.64,"pass_rate_pct":90.9,"total_cases":22,"passed_cases":20,"tokens_delta_pct":172.3,"turns_delta_pct":0,"verdict":"mixed","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-08-30T19:11:54.007963+00:00"},"skill_score":0.9091,"benchmark_models":[{"model":"gemini-3.6-flash","headline":true,"delta_pts":13.64,"with_pass_pct":90.9,"without_pass_pct":77.3,"tokens_delta_pct":172.3,"turns_delta_pct":0,"total_cases":22,"cases_aggregated":22,"verdict":"mixed","never_hurt":true,"completed_at":"2026-08-30T19:11:54.007963+00:00","run_id":"50571005-df8c-4d5f-8192-454ecc03ebf9","version_number":1,"is_latest_version":true,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"MIT","install_count":0,"manifest_hash":"4193ce8a71908b47d7e7232037e9b44a19a485afd33a6c994e6404a1f63a81d5","raw_url":"https://app.decimal.ai/s/jeremylongshore-langchain-prompt-engineering/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/jeremylongshore-langchain-prompt-engineering"}