Spec research
Agent Skills for Spec-Driven Development
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Investigate a specific topic and record findings in specs/{feature}/research/{topic}.md — covering technical options, library comparisons, API constraints, architecture trade-offs, or any open question that needs evidence before a decision can be made. Use this skill whenever someone wants to research a topic independently of spec/plan/implement phases, compare technical alternatives, investigate an API or platform constraint, run a proof of concept and document results, or says "research [topic]". This is a utility skill that can be invoked from any point in the spec-driven workflow or standalone. Don't use for writing specs, creating plans, or implementing code.
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SKILL.md
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Research Skill
Purpose
Core principle: Evidence before decisions. No recommendation without tested findings.
Investigate a focused topic and produce specs/{feature}/research/{topic}.md with findings, a decision, and impact assessment.
This skill can be invoked independently or from any other skill when deeper investigation is needed.
Input
- Research question or topic from the user
- Existing
specs/constitution.mdwhen present - Existing
specs/{feature}/spec.mdwhen present - Existing
specs/{feature}/plan.mdwhen present - Existing
specs/{feature}/research/*.mdwhen present
Output
specs/{feature}/research/{topic}.md- Updated
specs/{feature}/spec.mdwhen findings change requirements - Updated
specs/{feature}/plan.mdwhen findings change execution design
Steps
- Resolve
languageand shared rules fromspecs/constitution.mdwhen present; otherwise infer from the available workflow documents and the user's own message. Ask only if still unclear, then conduct all subsequent interaction in this language. - Clarify the research scope.
- Identify the feature slug and research topic
- Frame a clear research question
- Determine whether existing
spec.mdorplan.mdcontext is relevant
- Gather information.
- Read existing project context (
spec.md,plan.md, otherresearch/*.md) - Investigate external sources: documentation, APIs, library comparisons, platform constraints
- Run a proof of concept when hands-on validation is needed — don't trust documentation alone for critical decisions
- Compare against working examples or reference implementations when a pattern already exists
- For failures or unexpected behavior, reproduce the symptom and identify root cause before recommending fixes
- Form a hypothesis, test it minimally, then record what you found. One variable at a time.
- Read existing project context (
- Create the research file from
references/research-template.md.- Research Question: one clear question the research answers
- Context: feature, topic, and scope of investigation
- Sources: all references consulted
- Findings: factual observations with evidence
- Decision: selected option with rationale AND alternatives considered — a decision without rejected alternatives is not a real decision
- Impact: assessed effect on spec, plan, and tasks
- Follow-ups: remaining open items, if any
- Assess impact on existing documents.
- If findings change requirements or user-visible behavior: flag spec impact
- If findings change spec-to-spec prerequisites: update
spec.mdfrontmatterdependenciesand flag spec impact - If findings change execution design, task dependencies, or validation strategy: flag plan impact
- If no upstream documents exist yet, record impact as guidance for future phases
- Apply backflow when existing approved documents are affected.
- Update
spec.mdand reset its status todraftwhen findings are spec-impacting - Update
plan.mdand reset its status todraftwhen findings are plan-impacting - Do not apply backflow when upstream documents do not yet exist
- Update
- Perform final review and keep the file within 150 lines.
- Remove repetition
- Simplify wording
- Ensure the decision is clearly stated with rationale
- In the completion message, suggest the next step.
- If a spec does not yet exist:
spec-specify - If a spec exists but no plan:
spec-plan - If a plan exists and is approved:
spec-implement - If more research is needed: continue
spec-research
- If a spec does not yet exist:
Success Criteria
- The research question is clearly stated and answered.
- Findings are backed by evidence or direct observation.
- A decision is recorded with rationale and alternatives.
- Impact on existing spec and plan documents is assessed.
- Backflow is applied when approved documents are affected.
Completion Guidance
- This is a utility skill; the next step depends on workflow context
- Include the research topic, decision summary, and generated file path in the response