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prp-diagram

Generate a mermaid-only visual supplement for a plan artifact - the data-model, architecture, and flow diagrams a human wants when absorbing a plan. Use when the user wants to "diagram this plan", "visualize the plan", "draw the plan's architecture", "make diagrams for this plan", or invokes /prp-diagram.

73

Quality

91%

Does it follow best practices?

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SKILL.md
Quality
Evals
Security

Quality

Content

87%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The body is concise, highly actionable, and well-structured for a single-purpose skill. The main gap is workflow clarity: the overwrite-on-rerun operation has no explicit validation checkpoint, which caps that dimension at 3.

Suggestions

Add a validation checkpoint before overwriting the existing diagrams file (e.g., verify the resolved plan path exists and the chosen diagram types are non-empty before writing), with a fix-and-retry loop.

Confirm the plan file was read successfully and skip empty/unsupported diagram categories explicitly rather than silently producing a near-empty file.

Optionally state a verification step after writing (e.g., check the mermaid fences are balanced) to close the feedback loop for this destructive re-run operation.

DimensionReasoningScore

Conciseness

The body is lean and assumes Claude's competence — no padding, no explaining what mermaid is, and the inlined store resolver is functional/canonical rather than explanatory, matching the 'every token earns its place' anchor.

5 / 5

Actionability

Provides an executable store-resolver script, exact output-path rules, a precise content-policy format, a decision table mapping plan content to diagram type, and concrete syntax guidance, fully covering the common cases.

5 / 5

Workflow Clarity

The sequence (resolve store → output path → choose diagrams → write → report) is clear, but the destructive overwrite-on-rerun step lacks an explicit validation checkpoint, so the destructive-operation cap of 3 applies over the simple-skill exception.

3 / 5

Progressive Disclosure

A single-purpose, well-organized skill with clear section headers and no external references needed; the inlined resolver is intentionally canonical, so the simple-skill exception allows a top score.

5 / 5

Total

18

/

20

Passed

Description

95%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description is strong: third-person voice, explicit what/when structure, and a rich set of natural trigger phrases plus a slash command. Its only minor weakness is specificity, where diagram categories are named but the action list is not exhaustive.

DimensionReasoningScore

Specificity

Names the domain (plan diagrams) and several concrete diagram categories (data-model, architecture, flow), matching the 'lists several specific actions; minor gaps' anchor rather than the exhaustive level-5 list.

4 / 5

Completeness

Explicitly answers both 'what' (mermaid-only visual supplement with data-model/architecture/flow diagrams) and 'when' (concrete 'Use when...' trigger phrases plus the slash command), matching the level-5 anchor.

5 / 5

Trigger Term Quality

Provides multiple natural user phrases ('diagram this plan', 'visualize the plan', 'draw the plan's architecture', 'make diagrams for this plan') plus the /prp-diagram slash command — comprehensive coverage of natural terms and synonyms.

5 / 5

Distinctiveness Conflict Risk

Occupies a clear niche (mermaid diagrams for plan artifacts) with a distinct slash command and plan-specific triggers, giving minimal conflict risk with other skills.

5 / 5

Total

19

/

20

Passed

Validation

93%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

15

/

16

Passed

Repository
Wirasm/prp
Reviewed

Table of Contents

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