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Find shadow APIs and old versions v1.0.0

Use this resource to inventory the old versions and undocumented routes of an authorized API

New

  • 326 downloads
  • 187 likes
  • 144 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install shadow-api-surface-discovery

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 enumerates API versions, compares old and current specifications, then looks for internal routes that remain reachable. Before any probe, it asks for the exact target and proof of written authorization, and ranks the findings.

Mostly picked by

Updated November 2, 2026

Card for the “Find shadow APIs and old versions” skill

Details

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

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What you get

  • SKILL.md: version enumeration and behavior comparison
  • SKILL.md: deprecated routes and false-positive criteria

Good fit for

  • Your API has several versions and nobody knows which are still live
  • You are preparing to retire an old version

Not for

    Tags

    • api
    • inventory
    • owasp
    • versions
    • security

    About

    You say

    “List the versions of my staging API that still respond, so I can plan their removal.”

    Card for the “Find shadow APIs and old versions” skill

    Skill published by sickn33 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 inventory the old versions and undocumented routes of an authorized API
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md10.2 KB

    Origin and licence

    Listed unmodified

    Author
    sickn33
    Source
    github.com/sickn33/agentic-awesome-skills/tree/e9809578fd426a284af017c5db99f8eb6628e6ca/skills/hunt-shadow-api
    Licence
    MIT

    Notice

    « hunt-shadow-api » (sickn33, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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