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Train a cross-encoder for reranking v1.0.0

Use this resource to train a domain reranker with sentence-transformers

New

  • 582 downloads
  • 136 likes
  • 224 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install cross-encoder-reranker-training

With 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 login

The agent prepares relevance data in pointwise, pairwise or listwise format, mines negatives, then trains the cross-encoder with a suitable loss. You get a reranker evaluated with NDCG@10.

Mostly picked by

Updated November 2, 2026

Card for the “Train a cross-encoder for reranking” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: data formats (pointwise, pairwise, listwise) and CrossEncoder training
  • SKILL.md: hard-negative mining and margin ranking loss

Good fit for

  • A vendor reranker plateaus on your test set
  • You need to self-host a small reranker

Not for

    Tags

    • cross-encoder
    • reranking
    • ndcg
    • training
    • distillation

    About

    You say

    “Train a cross-encoder on my legal query-document pairs and measure NDCG@10 before and after.”

    Card for the “Train a cross-encoder for reranking” skill

    Skill published by claude-dev-suite under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to train a domain reranker with sentence-transformers
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md10.4 KB

    Origin and licence

    Listed unmodified

    Author
    claude-dev-suite
    Source
    github.com/claude-dev-suite/claude-dev-suite/tree/e10ab644ba43abe2abc923399226df4af7337214/skills/retrieval/cross-encoder-training
    Licence
    MIT

    Notice

    « cross-encoder-training » (claude-dev-suite, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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