Conciseness

The body is dense with skill-specific guidance and avoids explaining general concepts, but it is noticeably repetitive: the context/operationGuidance handling rules appear in step 3, again in a dedicated paragraph, again in step 4, and again in three separate guardrail bullets, and the pause conditions are stated in both step 6 and Guardrails. This matches 'mostly efficient but could be tightened' rather than the more severely padded 2 anchor.

Actionability

Guidance is fully executable: copy-paste commands ('openspec status --change "<name>" --json', 'openspec instructions apply --change "<name>" --json', 'openspec list --json'), exact JSON fields to parse, and the precise checkbox edit '- [ ]' → '- [x]' at the returned sourcePath and line. Concrete output templates cover the common cases, matching the top anchor.

Workflow Clarity

A clear 7-step sequence with explicit state handling (blocked/all_done/otherwise), a verification feedback loop (rerun apply instructions and confirm the task is done and progress changed), pre-edit re-validation of the checkbox location, and explicit pause conditions. This matches the anchor for clear sequence with explicit validation steps and feedback loops.

Progressive Disclosure

There are no bundle files and no external references; everything lives in a single ~200-line file. Section organization is good (numbered Steps, three labeled Output templates, Guardrails, Fluid Workflow Integration) and no content clearly demands a separate file, matching 'good structure; minor organization gaps'. It falls short of 5 because the length and repetition across sections make the single-file layout harder to navigate than a well-split bundle would be.

Specificity

The description names the domain ('an OpenSpec change') and one concrete action ('Implement tasks'), which matches the anchor for naming a domain with 1-2 concrete actions. It does not enumerate multiple specific capabilities, so it falls short of the 4 anchor.

Completeness

It clearly answers 'what' ('Implement tasks from an OpenSpec change') and explicitly answers 'when' with a 'Use when...' clause and concrete trigger phrases including exact commands, matching the top anchor. It is not a 4 because the 'when' is fully explicit rather than only partially specified.

Trigger Term Quality

It includes natural phrases users would say ('start implementing', 'continue implementation', 'work through tasks') plus literal CLI invocations ('openspec apply', 'opsx apply', 'openspec implement'), giving good keyword coverage. A few natural variations (e.g., 'apply the change', 'work on tasks') are missing, keeping it below the comprehensive 5 anchor.

Distinctiveness Conflict Risk

'OpenSpec change' and the named CLI commands establish a clear niche with distinct triggers, but the generic phrasing 'wants to start implementing, continue implementation, or work through tasks' could overlap with ordinary implementation requests outside OpenSpec. This is mostly distinct with minor overlap risk, not a fully isolated niche.