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Sync delta specs from a change to main specs.
2 of 22 test cases passed with the skill.
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Lift withheld: 5 comparable cases; this report requires 8.
A test case the skill fixed. Same model, same prompt, with and without the skill.
We are syncing the change 'analytics-dashboard' which introduces a new capability named 'analytics'. Should the central capability specification file be created at openspec/specs/analytics.md?
| Checked | Without skill | With skill |
|---|---|---|
| Specifies creating the file at openspec/specs/analytics/spec.md | Missed | Passed |
The instructions your model reads when the skill loads.
Sync delta specs from a change to main specs.
This is an agent-driven operation - you will read delta specs and directly edit main specs to apply the changes. This allows intelligent merging (e.g., adding a scenario without copying the entire requirement).
Input: Optionally specify a change name. If omitted, check if it can be inferred from conversation context. If vague or ambiguous you MUST prompt for available changes.
Steps
If no change name provided, prompt for selection
Run openspec list --json to get available changes. Use the AskUserQuestion tool to let the user select.
Show changes that have delta specs (under specs/ directory).
IMPORTANT: Do NOT guess or auto-select a change. Always let the user choose.
Find delta specs
Look for delta spec files in openspec/changes/<name>/specs/*/spec.md.
Each delta spec file contains sections like:
## ADDED Requirements - New requirements to add## MODIFIED Requirements - Changes to existing requirements## REMOVED Requirements - Requirements to remove## RENAMED Requirements - Requirements to rename (FROM:/TO: format)If no delta specs found, inform user and stop.
For each delta spec, apply changes to main specs
For each capability with a delta spec at openspec/changes/<name>/specs/<capability>/spec.md:
a. Read the delta spec to understand the intended changes
b. Read the main spec at openspec/specs/<capability>/spec.md (may not exist yet)
c. Apply changes intelligently:
ADDED Requirements:
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