Conciseness

Mostly efficient and dense with CloudBase-specific knowledge Claude does not have (MCP tool actions, error-code semantics, shared-bucket behavior, plan names), but noticeably padded for an overview/routing skill: the manageEnv creation details (externalStorage, region, package family exclusions), the domain-management table's footnote-level detail, and repeated pointers to ../minimal-web-baas-demo/SKILL.md could be tightened or moved to references. Not 2 (no explanations of concepts Claude already knows; most tokens earn their place); not 4 (several sections carry over-explanation and repetition that could be trimmed).

Actionability

Fully executable guidance throughout: exact MCP calls with parameters (e.g. manageEnv(action="create", alias="my-env", packageId="baas_personal", resources=[...], confirm="yes")), copy-paste SDK init code, step-by-step public URL construction from EnvInfo.Storages[0].CdnDomain, a requirement-to-tool decision table, and concrete remediation commands (manageGateway(action="disableRoute", ...)). Matches the 5 anchor: copy-paste ready commands covering the common cases.

Workflow Clarity

Multi-step processes are clearly sequenced with explicit validation checkpoints and feedback loops: the 4-step error-code routing procedure (extract code → searchDocs → fallback pages → never assert from memory), the diagnose-before-act InsufficientBalance flow (run manageEnv(action="usage"), read account balance, four-cause decision table), confirm="yes" gates on all paid operations with warnings to repeat region/externalStorage on the confirming call, and permission-change retry guidance (retry after ~30s, re-check rule shape on failure). Matches the 5 anchor.

Progressive Disclosure

The four protocol references (change-safety-protocol.md, deployment-gate.md, deployment-share.md, sensitive-runtime-data-protection.md) are real files in references/protocols/, one level deep, clearly signaled at first mention, and consolidated in a closing "Reference index"; the body is well-sectioned with headers and a clear activation contract. Not 5: substantial deep detail (the domain-management table, environment creation recipes, the full console URL catalog) is inlined in SKILL.md where a router skill would move bulk detail into reference files, and some referenced sibling paths live outside this skill's bundle.

Specificity

Lists several concrete capability areas ("high-level capability selection, platform concepts, console navigation, realtime (broadcast / presence / live database changes), or cross-platform best practices") rather than vague claims, but "overview and routing guide" is abstract and the action list is scope-level rather than a comprehensive inventory of concrete actions. Above the 3 anchor (more than 1-2 concrete actions), below the 5 anchor (minor gaps in coverage and comprehensiveness).

Completeness

Explicitly answers both: what ("CloudBase platform overview and routing guide") and when ("This skill should be used when users need high-level capability selection, platform concepts, console navigation, realtime..., or cross-platform best practices before choosing a more specific implementation skill"). The when-clause contains concrete trigger phrases in third-person voice, matching the 5 anchor exactly; not 4 because the when is both explicit and specific.

Trigger Term Quality

Good natural keyword coverage — "CloudBase", "platform", "console navigation", "realtime", "broadcast / presence / live database changes", "cross-platform best practices" — terms users would plausibly say. A few natural phrasings or synonyms (e.g., "which CloudBase service", "WeChat mini program", "hosting vs storage") are missing, so it sits between the 4 and 5 anchors, closer to 4.

Distinctiveness Conflict Risk

Clear niche as the pre-implementation router, explicitly scoped "before choosing a more specific implementation skill", with distinct triggers (capability selection, console navigation, realtime). Minor overlap risk remains because, as an umbrella skill, it can be invoked for tasks the sibling implementation skills handle better. Not 5: the overlap with closely related CloudBase sibling skills is real; not 3: the scoping language keeps it mostly distinct.