FreeSkills
Commits, branches and sync with the but CLI
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Works with
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Design online evaluators for production traces v1.0.0
Use this resource to design and attach online evaluators to production traffic
New
- 399 downloads
- 172 likes
- 235 saves
Free
Install with the CLI
In a terminal, from the folder you want:
npx --yes palatekit@latest install online-evaluator-rules-langsmithWith no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.
First time: connect the CLI with
npx --yes palatekit@latest loginThe agent observes real behavior, chooses one quality signal, then builds and tests the evaluator. It attaches it to a scoped rule with filters, sampling and backfills, then tracks scores and calibrates the rule. You get reliable continuous evaluation.
Mostly picked by
Updated November 2, 2026
Previews
Details
- Install guides
- Generates with
- Your agent's model
- Licence
- MIT
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What you get
- references/evaluator-design.md: evaluator design
- references/langsmith-api.md: API and online rules
- references/trace-inspection.md: trace inspection
Good fit for
- You want to monitor response quality in production
- An evaluation rule must target only some traces
Not for
Tags
- online evaluator
- production
- sampling
- langsmith
- monitoring
About
You say
“Set up a toxicity evaluator on 10% of the traces in the support project.”
Skill published by langchain-ai under the MIT license, delivered in its original version.
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How to use it
- Install the skill in your agent's skills folder
- Ask your agent to design and attach online evaluators to production traffic
- Review and adjust the result
Content preview
Files
- LICENSE1 KB
- NOTICE-PALATEKIT.md0.5 KB
- references/evaluator-design.md5.7 KB
- references/langsmith-api.md6.4 KB
- references/trace-inspection.md4.7 KB
- SKILL.md5.8 KB
Origin and licence
Listed unmodified
- Author
- langchain-ai
- Source
- github.com/langchain-ai/langsmith-skills/tree/d69a8fe41816c1faba25399e60301b79b747d147/config/skills/langsmith-online-eval-engineering
- Licence
- MIT
Notice
« langsmith-online-eval-engineering » (langchain-ai, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.
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