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Executable spec writing subagent v1.0.0

Use this resource to write an unambiguous spec before implementing a feature

New

  • 289 downloads
  • 186 likes
  • 137 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install sdd-spec-writer-subagent

First time: connect the CLI with

npx --yes palatekit@latest login

This subagent writes a precise contract for a feature: typed inputs and outputs, side effects, files concerned and expected tests. It serves spec-driven development and is meant to be read by a person or an agent. The main agent calls it before any implementation that needs an unambiguous contract.

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Updated November 2, 2026

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Details

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

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What you get

  • The subagent file (in English): structure of the .spec.md file and writing rules
  • A spec to validate before implementation

Good fit for

  • Handing a precise task to a coding agent
  • Freezing an API contract before development

Not for

    Tags

    • specification
    • contract
    • tests
    • spec-driven development

    About

    You say

    “Write the spec for the order export endpoint before we code it.”

    Card for “Executable spec writing subagent”

    Subagent published by davila7 under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Copy the file into .claude/agents/ (project) or ~/.claude/agents/ (all your projects)
    2. Ask your agent to write an unambiguous spec before implementing a feature, or call the subagent by name
    3. Review its work

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • sdd-spec-writer-subagent.md3.4 KB

    Origin and licence

    Listed unmodified

    Author
    davila7
    Source
    github.com/davila7/claude-code-templates/blob/f57964ebda91cdfb31755661ecea9395f30020f1/cli-tool/components/agents/development-team/sdd-spec-writer.md
    Licence
    MIT

    Notice

    « sdd-spec-writer » (davila7, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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