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cmk-feature-spec

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UpdatedApril 12, 2026 at 20:36

This skill should be used when the user asks to "spec out this feature", "write up the requirements for X", "break this into a spec", "create a feature spec", "update the spec", or discusses feature scope, flows, and acceptance criteria. Covers drafting, refining, or updating feature specifications from conversation notes, local docs, external links, or direct prompts.

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CommandOSSLabs

CommandOSSLabs/ai-devkit

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SKILL.md

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name	cmk:feature-spec
description	This skill should be used when the user asks to "spec out this feature", "write up the requirements for X", "break this into a spec", "create a feature spec", "update the spec", or discusses feature scope, flows, and acceptance criteria. Covers drafting, refining, or updating feature specifications from conversation notes, local docs, external links, or direct prompts.
version	0.1.0

Feature Spec

Create or iterate feature specifications that capture implementation-level detail for a single feature. Product requirements belong in the PRD; architecture in system-design. Feature-scoped decisions stay here; system-wide decisions go in ADRs.

References

Read references/spec-conventions.md for placement rules and references/feature-spec-template.md for section structure.

Input

Synthesize from whatever the user provides: conversation context, local docs, external links, direct prompts, or docs/knowledge/ entries (when explicitly referenced).

Workflow: Create

Normalize input into feature context: problem, users, constraints, open questions.
Map into template sections from references/feature-spec-template.md. Align to local convention if one exists.
Place at the repository's existing path, or fallback: docs/specs/{NNNN}-{feature-name}/spec.md. Determine {NNNN} by scanning existing specs and incrementing (start at 0001 if none exist).
Mark unknowns in Open Points — don't guess.
Set status to draft.

Workflow: Iterate

Read the existing spec in full.
Upstream check: If upstream docs exist (docs/PRD.md, docs/system-design.md), scan for conflicts. Warn the user if the update contradicts upstream scope, requirements, or architecture.
Identify what changed and why.
Update affected sections in place. Preserve unchanged content.
Update Last updated date.
Transition status when appropriate: draft → active → shipped, or any → deprecated.

Output

Create: complete spec.md at canonical path
Iterate: targeted updates to affected sections only
Unresolved decisions go in Open Points
Requirements are concrete and evaluable (FR and NFR)
Flows include success and failure paths
Boundaries clearly define owns vs does-not-own

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name	cmk:feature-spec
description	This skill should be used when the user asks to "spec out this feature", "write up the requirements for X", "break this into a spec", "create a feature spec", "update the spec", or discusses feature scope, flows, and acceptance criteria. Covers drafting, refining, or updating feature specifications from conversation notes, local docs, external links, or direct prompts.
version	0.1.0

Feature Spec

References

Read references/spec-conventions.md for placement rules and references/feature-spec-template.md for section structure.

Input

Synthesize from whatever the user provides: conversation context, local docs, external links, direct prompts, or docs/knowledge/ entries (when explicitly referenced).

Workflow: Create

Normalize input into feature context: problem, users, constraints, open questions.
Map into template sections from references/feature-spec-template.md. Align to local convention if one exists.
Place at the repository's existing path, or fallback: docs/specs/{NNNN}-{feature-name}/spec.md. Determine {NNNN} by scanning existing specs and incrementing (start at 0001 if none exist).
Mark unknowns in Open Points — don't guess.
Set status to draft.

Workflow: Iterate

Read the existing spec in full.
Upstream check: If upstream docs exist (docs/PRD.md, docs/system-design.md), scan for conflicts. Warn the user if the update contradicts upstream scope, requirements, or architecture.
Identify what changed and why.
Update affected sections in place. Preserve unchanged content.
Update Last updated date.
Transition status when appropriate: draft → active → shipped, or any → deprecated.

Output

Create: complete spec.md at canonical path
Iterate: targeted updates to affected sections only
Unresolved decisions go in Open Points
Requirements are concrete and evaluable (FR and NFR)
Flows include success and failure paths
Boundaries clearly define owns vs does-not-own