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Spec First Coder

Agent skill
1 skill

Requires a 5-line spec (inputs, outputs, edge cases, failure modes, acceptance) before writing tests or code. The spec becomes the prompt anchor for the whole task. Use for any new function, endpoint, or feature with non-trivial behavior.

Install with
Claude CodeCodexCursorGitHub CopilotGemini CLI

Supported by the Atlas install prompt. Skill-specific requirements vary.

Skill stats

Skills1CategoryGeneralStars0

About this skill

Requires a 5-line spec (inputs, outputs, edge cases, failure modes, acceptance) before writing tests or code. The spec becomes the prompt anchor for the whole task. Use for any new function, endpoint, or feature with non-trivial behavior.

Quick start

  1. Copy the install prompt. Use the green button above this README.
  2. Send it to your agent. Paste it into your coding agent’s chat and send.
  3. Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
Review the source before using this skill

This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.

Automated security scan: Partial

Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.

0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1

Content SHA-256: 2bba703c34a741b99ef04562eff49a428a3591c564128e11916a8615c17960c1

About scan coverage and limitations

About this listing

Category
General
Reported license
Not specified
Listing language (estimated)
English
Review status
Not individually reviewed
Agent compatibility
Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.
Spec First Coder | Agent Skills Atlas