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Use only functions that actually exist v1.0.0

Use this resource to write code that uses only APIs that are actually present

New

  • 522 downloads
  • 143 likes
  • 201 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install verified-api-usage-check

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

Before each function call, import or method access, the agent checks that it exists in the project's installed version. If that is not established, it verifies or removes the call rather than inventing it. The skill acts as a correctness check before code is written.

Mostly picked by

Updated November 2, 2026

Card for the “Use only functions that actually exist” skill

Details

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

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What you get

  • SKILL.md: the verification rule and what it blocks
  • SKILL.md: workflow and anti-patterns

Good fit for

  • Generated code calls a method that does not exist
  • You want code verified on the first pass

Not for

    Tags

    • API
    • verification
    • imports
    • correctness

    About

    You say

    “Check that every function used in this module exists in the installed library version.”

    Card for the “Use only functions that actually exist” skill

    Skill published by alirezarezvani 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 write code that uses only APIs that are actually present
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md3.3 KB

    Origin and licence

    Listed unmodified

    Author
    alirezarezvani
    Source
    github.com/alirezarezvani/claude-skills/tree/5434623a788ec3105d238328cfe554e1e2242ff7/engineering/strict-api
    Licence
    MIT

    Notice

    « strict-api » (alirezarezvani, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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