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Hard negative mining for retrievers v1.0.0

Use this resource to select hard negative examples to train a dense retriever

New

  • 342 downloads
  • 250 likes
  • 166 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install hard-negative-mining-retrievers

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 compares in-batch and mined negatives, sets up mining with BM25 or embeddings, then filters false negatives before training. You get a mining strategy and its risks.

Mostly picked by

Updated November 2, 2026

Card for the “Hard negative mining for retrievers” skill

Details

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

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What you get

  • SKILL.md: negative taxonomy and BM25 or dense mining
  • SKILL.md: TAS-B, MarginMSE distillation and false-negative filtering

Good fit for

  • Your retriever confuses documents that are close to the right answer
  • You distill a cross-encoder into an embedding model

Not for

    Tags

    • hard negatives
    • retrieval
    • embeddings
    • mining
    • training

    About

    You say

    “Mine hard negatives with BM25 on my legal corpus and filter out false negatives.”

    Card for the “Hard negative mining for retrievers” 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 select hard negative examples to train a dense retriever
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md8.8 KB

    Origin and licence

    Listed unmodified

    Author
    claude-dev-suite
    Source
    github.com/claude-dev-suite/claude-dev-suite/tree/e10ab644ba43abe2abc923399226df4af7337214/skills/embeddings/hard-negative-mining
    Licence
    MIT

    Notice

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

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