> For the complete documentation index, see [llms.txt](https://docs.layerlens.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.layerlens.ai/more-in-this-section-6.md).

# More in this section

- [Cookbook](https://docs.layerlens.ai/more-in-this-section-6/cookbook.md)
- [Recipe: detect tool-call regressions in agents](https://docs.layerlens.ai/more-in-this-section-6/agent-tool-regressions.md): Recipe — detect tool-call regressions. Pointer to the SDK code-review cowork sample.
- [Recipe: catch hallucinations](https://docs.layerlens.ai/more-in-this-section-6/catch-hallucinations.md): Recipe — catch hallucinations with a faithfulness judge whose rubric handles refusals.
- [Recipe: Confidence-weighted aggregation](https://docs.layerlens.ai/more-in-this-section-6/confidence-weighted-aggregation.md): Recipe — confidence-weighted aggregation for noisy judges.
- [Recipe: Cost-aware evaluation](https://docs.layerlens.ai/more-in-this-section-6/cost-aware-evaluation.md): Recipe — score cost alongside quality so you can pick smaller-and-cheaper when it's good enough.
- [Recipe: create a custom scorer](https://docs.layerlens.ai/more-in-this-section-6/custom-code-scorer.md): Recipe — create a custom scorer (LLM-backed). Pointer to the SDK scorer + judge-creation samples.
- [Recipe: validate JSON output against a schema](https://docs.layerlens.ai/more-in-this-section-6/json-schema-validate.md): Recipe — validate JSON outputs against a strict schema using a custom judge or pre-evaluation validation.
- [Recipe: Run a judge in CI without auto-merging on pass](https://docs.layerlens.ai/more-in-this-section-6/judge-ci-no-merge.md): Recipe — gate CI on a judge verdict without auto-merging on pass.
- [Recipe: multi-judge consensus](https://docs.layerlens.ai/more-in-this-section-6/multi-judge-consensus.md): Recipe — run multiple judges against the same trace and aggregate via consensus.
- [Recipe: Score multilingual outputs](https://docs.layerlens.ai/more-in-this-section-6/multilingual.md): Recipe — score outputs in multiple languages with an LLM judge.
- [Recipe: build a faithfulness judge for RAG](https://docs.layerlens.ai/more-in-this-section-6/rag-faithfulness-judge.md): Recipe — RAG faithfulness judge. Pointer to the SDK rag\_assessment sample.
- [Recipe: score a free-form chat output](https://docs.layerlens.ai/more-in-this-section-6/score-chat.md): Recipe — score chat output. Pointer to the canonical SDK text-evaluation sample.
- [Recipe: evaluate code-generation models](https://docs.layerlens.ai/more-in-this-section-6/score-code.md): Recipe — evaluate code-generation models. Use a code benchmark from the public catalog.
- [Recipe: Score reasoning chains](https://docs.layerlens.ai/more-in-this-section-6/score-reasoning.md): Recipe — score reasoning chains with chain-of-thought aware judges.
- [Recipe: score retrieval quality](https://docs.layerlens.ai/more-in-this-section-6/score-retrieval.md): Recipe — score retrieval quality. Pointer to the SDK rag\_assessment sample.
- [Recipe: score a structured-output prompt](https://docs.layerlens.ai/more-in-this-section-6/score-structured-output.md): Recipe — score structured outputs. Pointer to the SDK document-evaluation sample.
- [Recipe: span-level scoring](https://docs.layerlens.ai/more-in-this-section-6/span-level-scoring.md): Recipe — span-level scoring. Pointer to the cowork code-review pattern.
- [Guides](https://docs.layerlens.ai/more-in-this-section-6/guides.md)
- [Bootstrap a judge before GEPA](https://docs.layerlens.ai/more-in-this-section-6/bootstrap-judges.md): Bootstrap a judge before GEPA — what to ship in week one when you don't yet have labeled data.
- [Build your judge library](https://docs.layerlens.ai/more-in-this-section-6/build-judge-library.md): Guide — build a shared judge library across your org.
- [Author a custom code grader](https://docs.layerlens.ai/more-in-this-section-6/custom-code-scorer-1.md): Guide — author a custom code grader.
- [Detect and remove flaky scorers](https://docs.layerlens.ai/more-in-this-section-6/remove-flaky-scorers.md): Guide — detect and remove flaky scorers.
- [Standardize judges across teams](https://docs.layerlens.ai/more-in-this-section-6/standardize-judges.md): Guide — standardize judges across teams.


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