dceoy/speckit-agent-skills/speckit-specify
Claude Code and agent skill by dceoy/speckit-agent-skills
- community
Checking that the SKILL.md file is still in the repository.
Create or update the feature specification from a natural language feature description.
Install
npx vskill@latest install dceoy/speckit-agent-skills/speckit-specifySKILL.md
User Input
You MUST consider the user input before proceeding (if not empty).
Pre-Execution Checks
Check for extension hooks (before specification):
- Check if
.specify/extensions.ymlexists in the project root. - If it exists, read it and look for entries under the
hooks.before_specifykey - If the YAML cannot be parsed or is invalid, do not skip silently: tell the user that
.specify/extensions.ymlcould not be read (include the parser error) and that no hooks were checked, including any mandatory (optional: false) hooks registered there, then continue normally - Filter out hooks where
enabledis explicitlyfalse. Treat hooks without anenabledfield as enabled by default. - For each remaining hook, do not attempt to interpret or evaluate hook
conditionexpressions: - If the hook has no
conditionfield, or it is null/empty, treat the hook as executable - If the hook defines a non-empty
condition, skip the hook and leave condition evaluation to the HookExecutor implementation - When constructing command invocations from hook command names, replace dots (
.) with hyphens (-). For example,speckit.git.commit→/speckit-git-commit. - For each executable hook, output the following based on its
optionalflag: - Optional hook (
optional: true):
```text ## Extension Hooks
Optional Pre-Hook: {extension} Command: /{command} Description: {description}
Prompt: {prompt} To execute: /{command} ```
- Mandatory hook (
optional: false):
```text ## Extension Hooks
Automatic Pre-Hook: {extension} Executing: /{command} EXECUTE_COMMAND: {command}
Wait for the result of the hook command before proceeding to the Outline. ```
After emitting the block above you MUST actually invoke the hook and wait for it to finish before continuing. Run it the same way you would run the command yourself in this agent/session (the invocation may differ from the literal {command} id shown above, e.g. a skills-mode agent runs it as /skill:speckit-... or $speckit-...). Emitting the block alone does not run the hook.
- If no hooks are registered or
.specify/extensions.ymldoes not exist, skip silently
Outline
The text the user typed after /speckit-specify in the triggering message is the feature description. Assume you always have it available in this conversation even if $ARGUMENTS appears literally below. Do not ask the user to repeat it unless they provided an empty command.
Given that feature description, do this:
- Generate a concise short name (2-4 words) for the feature:
- Analyze the feature description and extract the most meaningful keywords
- Create a 2-4 word short name that captures the essence of the feature
- Use action-noun format when possible (e.g., "add-user-auth", "fix-payment-bug")
- Preserve technical terms and acronyms (OAuth2, API, JWT, etc.)
- Keep it concise but descriptive enough to understand the feature at a glance
- Examples:
- "I want to add user authentication" → "user-auth"
- "Implement OAuth2 integration for the API" → "oauth2-api-integration"
- "Create a dashboard for analytics" → "analytics-dashboard"
- "Fix payment processing timeout bug" → "fix-payment-timeout"
- Branch creation (optional, via hook):
If a before_specify hook ran successfully in the Pre-Execution Checks above, it will have created/switched to a git branch and output JSON containing BRANCH_NAME and FEATURE_NUM. Note these values for reference, but the branch name does not dictate the spec directory name.
If the user explicitly provided GIT_BRANCH_NAME, pass it through to the hook so the branch script uses the exact value as the branch name (bypassing all prefix/suffix generation).
- Create the spec feature directory:
Specs live under the default specs/ directory unless the user explicitly provides SPECIFY_FEATURE_DIRECTORY.
Resolution order for `SPECIFY_FEATURE_DIRECTORY`:
- If the user explicitly provided
SPECIFY_FEATURE_DIRECTORY(e.g., via environment variable, argument, or configuration), use it as-is - Otherwise, auto-generate it under
specs/:
- Check
.specify/init-options.jsonforfeature_numbering(preferred) orbranch_numbering(deprecated, migration only — will be removed in a future release) - If
"timestamp": prefix isYYYYMMDD-HHMMSS(current timestamp) - If
"sequential"or absent: prefix isNNN(next available 3-digit number after scanning existing directories inspecs/) - Construct the directory name:
<prefix>-<short-name>(e.g.,003-user-author20260319-143022-user-auth) - Set
SPECIFY_FEATURE_DIRECTORYtospecs/<directory-name> - If
branch_numberingwas used (andfeature_numberingwas absent), emit a one-line warning: "⚠️branch_numberingin init-options.json is deprecated. Rename tofeature_numbering."
Create the directory and spec file:
mkdir -p SPECIFY_FEATURE_DIRECTORY- Resolve the active
spec-templatethrough the Spec Kit preset/template resolution stack (equivalent tospecify preset resolve spec-template) - Copy the resolved
spec-templatefile toSPECIFY_FEATURE_DIRECTORY/spec.mdas the starting point - Set
SPEC_FILEtoSPECIFY_FEATURE_DIRECTORY/spec.md - Persist the resolved path to
.specify/feature.json:
``json { "feature_directory": "<resolved feature dir>" } ``
Write the actual resolved directory path value (for example, specs/003-user-auth), not the literal string SPECIFY_FEATURE_DIRECTORY. This allows downstream commands (/speckit-plan, /speckit-tasks, etc.) to locate the feature directory without relying on git branch name conventions.
IMPORTANT:
- You must only create one feature per
/speckit-specifyinvocation - The spec directory name and the git branch name are independent — they may be the same but that is the user's choice
- The spec directory and file are always created by this command, never by the hook
- Load the resolved active
spec-templatefile to understand required sections.
- IF EXISTS: Load
.specify/memory/constitution.mdfor project principles and governance constraints.
- Follow this execution flow:
- Parse user description from arguments
If empty: ERROR "No feature description provided"
- Extract key concepts from description
Identify: actors, actions, data, constraints
- For unclear aspects:
- Make informed guesses based on context and industry standards
- Only mark with [NEEDS CLARIFICATION: specific question] if:
- The choice significantly impacts feature scope or user experience
- Multiple reasonable interpretations exist with different implications
- No reasonable default exists
- LIMIT: Maximum 3 [NEEDS CLARIFICATION] markers total
- Prioritize clarifications by impact: scope > security/privacy > user experience > technical details
- Fill User Scenarios & Testing section
If no clear user flow: ERROR "Cannot determine user scenarios"
- Generate Functional Requirements
Each requirement must be testable Use reasonable defaults for unspecified details (document assumptions in Assumptions section)
- Define Success Criteria
Create measurable, technology-agnostic outcomes Include both quantitative metrics (time, performance, volume) and qualitative measures (user satisfaction, task completion) Each criterion must be verifiable without implementation details
- Identify Key Entities (if data involved)
- Return: SUCCESS (spec ready for planning)
- Write the specification to SPEC_FILE using the template structure, replacing placeholders with concrete details derived from the feature description (arguments) while preserving section order and headings.
- Specification Quality Validation: After writing the initial spec, validate it against quality criteria:
a. Create Spec Quality Checklist: Generate a checklist file at SPECIFY_FEATURE_DIRECTORY/checklists/requirements.md using the checklist template structure with these validation items:
```markdown # Specification Quality Checklist: [FEATURE NAME]
Purpose: Validate specification completeness and quality before proceeding to planning Created: [DATE] Feature: [Link to spec.md]
## Content Quality
- [ ] No implementation details (languages, frameworks, APIs)
- [ ] Focused on user value and business needs
- [ ] Written for non-technical stakeholders
- [ ] All mandatory sections completed
## Requirement Completeness
- [ ] No [NEEDS CLARIFICATION] markers remain
- [ ] Requirements are testable and unambiguous
- [ ] Success criteria are measurable
- [ ] Success criteria are technology-agnostic (no implementation details)
- [ ] All acceptance scenarios are defined
- [ ] Edge cases are identified
- [ ] Scope is clearly bounded
- [ ] Dependencies and assumptions identified
## Feature Readiness
- [ ] All functional requirements have clear acceptance criteria
- [ ] User scenarios cover primary flows
- [ ] Feature meets measurable outcomes defined in Success Criteria
- [ ] No implementation details leak into specification
## Notes
- Items marked incomplete require spec updates before
/speckit-clarifyor/speckit-plan
```
b. Run Validation Check: Review the spec against each checklist item:
- For each item, determine if it passes or fails
- Document specific issues found (quote relevant spec sections)
c. Handle Validation Results:
- If all items pass: Mark checklist complete and proceed to the Mandatory Post-Execution Hooks section
- If items fail (excluding [NEEDS CLARIFICATION]):
- List the failing items and specific issues
- Update the spec to address each issue
- Re-run validation until all items pass (max 3 iterations)
- If still failing after 3 iterations, document remaining issues in checklist notes and warn user
- If [NEEDS CLARIFICATION] markers remain:
- Extract all [NEEDS CLARIFICATION: ...] markers from the spec
- LIMIT CHECK: If more than 3 markers exist, keep only the 3 most critical (by scope/security/UX impact) and make informed guesses for the rest
- For each clarification needed (max 3), present options to user in this format:
```markdown ## Question [N]: [Topic]
Context: [Quote relevant spec section]
What we need to know: [Specific question from NEEDS CLARIFICATION marker]
Suggested Answers:
| Option | Answer | Implications | |
|---|---|---|---|
| A | [First suggested answer] | [What this means for the feature] | |
| B | [Second suggested answer] | [What this means for the feature] | |
| C | [Third suggested answer] | [What this means for the feature] | |
| Custom | Provide your own answer | [Explain how to provide custom input] |
Your choice: _[Wait for user response]_ ```
This is the start of the file. Read the full SKILL.md on GitHub.
Security
- Security scanPassed, 100 of 100Pattern checks on the skill's files.
- Model reviewPassed
Quality evaluation
- Task evaluationFailed, 72 of 100Degrading. 1 run. Evaluated 8 months ago.
Source
- SKILL.md in the repositoryCheckingskills/speckit-specify/SKILL.md
Popularity
- Repository stars
- 39
- Repository forks
- 7
- 7-day trend score
- 18
Stars and forks are for the whole GitHub repository, not this skill alone. Refreshed 18 Mar 2026, 7 months ago.
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