Conciseness

The body is terse, bullet-driven, and assumes Django/Pydantic knowledge (no concept explanations), but drift policy is restated across Migration Policy, Translation Rules, step 9, and the Output Checklist, and step 9 mixes response-validation directives into an auth/throttling step. Anchor 5 ('every token earns its place') doesn't hold due to this repetition; it is well above anchor 3 since there is no padded explanation.

Actionability

Guidance names exact constructs to find ("NinjaExtraAPI", "http_get/http_post/..."), exact mappings ("Body[...]", "Query[...]", "Path[...]"), and concrete pitfalls with fixes ("use ratelimit.core.ALL", "field-level strict=False", "extra='forbid'"). It falls short of anchor 5 because there is no illustrative code snippet (e.g., a minimal DMR controller) and CI validation says 'run the same commands CI uses' without an example invocation; for an instruction-only migration skill the specifics otherwise carry it above anchor 3.

Workflow Clarity

A 12-step sequence with explicit gates and feedback loops: "Decide error strategy (required gate)", per-slice validation via repository-native CI (step 11), and a finish gate ("Do not mark slice done until: linters pass, tests pass... or failures are explicitly approved drift"), plus a required 3-section report and output checklist. This matches the anchor 5 example's validate-fix-retry structure with explicit checkpoints.

Progressive Disclosure

Clear section headers and a well-signaled, real, one-level-deep reference ([references/ninja-to-dmr-map.md](references/ninja-to-dmr-map.md)) plus the DMR LLM docs URL. Not anchor 5 because the ~190-line body inlines substantial detail (repo-derived pitfalls, the full checklist, DTO translation rules) that could partly live in the reference file, leaving SKILL.md closer to an overview.

Specificity

Concrete actions are comprehensive for the domain: "Migrate an existing Django API from django-ninja/ninja_extra to django-modern-rest while preserving routes, request/response contracts, auth, throttling, and test coverage", plus specific replacements ("replacing NinjaExtraAPI/api_controller/http_* handlers/ninja.Schema with dmr controllers/routers and typed DTOs"). Anchor 4 ('minor gaps in coverage') fits worse than 5 since every major migration surface (routing, schemas, auth, throttling, tests) is named.

Completeness

Both what and when are explicitly answered with concrete trigger phrases: what is "Migrate... while preserving routes, request/response contracts, auth, throttling, and test coverage" and when is "Use when replacing NinjaExtraAPI/api_controller/http_* handlers/ninja.Schema...". Anchor 4 ('when could be more explicit') does not apply since the when-clause enumerates exact trigger constructs.

Trigger Term Quality

Natural terms a user would say for this need are the framework names themselves, and both variants are covered: "django-ninja/ninja_extra", "NinjaExtraAPI", "api_controller", "ninja.Schema", "dmr", "django-modern-rest". No relevant synonyms are missing (ninja, ninja_extra, and the dmr abbreviation all appear).

Distinctiveness Conflict Risk

Clear niche (ninja-to-DMR transport migration) with distinct, framework-specific triggers; no other plausible skill would fire on these terms. Not below 5 since anchor 4 ('minor overlap risk with closely related skills') would require some ambiguity, and none is present.