This is a well-crafted skill description that clearly defines its scope around Supabase service_role key security. It lists specific concrete actions, includes natural trigger terms that developers would use, and has an explicit 'Use when' clause. The narrow, well-defined niche makes it highly distinguishable from other skills.

Dimension	Reasoning	Score
Specificity	Lists multiple specific concrete actions: enforcing service_role key isolation from client-side code, validating admin client isolation, privileged operations routing, and server-only key usage.	3 / 3
Completeness	Clearly answers both what (enforces service_role key not exposed to client-side, validates admin client isolation, privileged operations routing, server-only key usage) and when (explicit 'Use when' clause covering admin operations, server-side Supabase clients, or auditing service_role key usage).	3 / 3
Trigger Term Quality	Includes strong natural keywords users would say: 'service_role key', 'client-side code', 'admin operations', 'server-side Supabase clients', 'privileged operations'. These are terms a developer working with Supabase security would naturally use.	3 / 3
Distinctiveness Conflict Risk	Highly distinctive with a clear niche focused specifically on Supabase service_role key security and admin client isolation. The specific technology (Supabase) and security concern (service_role key exposure) make it very unlikely to conflict with other skills.	3 / 3
	Total	12 / 12 Passed

Implementation

92%

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

This is a high-quality security-focused skill with excellent actionability—concrete commands, executable code, and a clear framework reference table. The phased workflow with explicit HALT conditions is well-suited for a security audit task. Minor improvement could come from splitting framework-specific details into a reference file, but the current structure is effective and not overly long.

Dimension	Reasoning	Score
Conciseness	The content is lean and efficient. Every section serves a clear purpose—no unnecessary explanations of what Supabase is, what service_role keys do conceptually, or other things Claude already knows. The framework-specific table is dense and informative without being verbose.	3 / 3
Actionability	Provides executable grep/ripgrep commands for auditing, a complete TypeScript code example for the admin client with server-only import guard, a framework-specific reference table with concrete prefixes, and specific file paths. All guidance is copy-paste ready and concrete.	3 / 3
Workflow Clarity	Four clearly sequenced phases with explicit HALT conditions (Phase 1 step 2, Phase 3 step 3) that act as validation checkpoints. The verification report checklist at the end provides a final validation gate. The workflow handles a security-sensitive operation with appropriate rigor.	3 / 3
Progressive Disclosure	The content is well-structured with clear phases and a verification checklist, but everything is inline in a single file. The framework-specific notes and alternative patterns (Nuxt, SvelteKit) could be split into separate reference files to keep the main skill leaner, though the current length is manageable.	2 / 3
	Total	11 / 12 Passed

Validation

100%

Warnings & errors only

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

Validation — 11 / 11 Passed

Validation for skill structure

No warnings or errors.

Reviewed

3 days ago

Table of Contents

Discovery Implementation Validation