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tessl-labs/configuration-management

Production config management for any backend — centralized config module, env vars, no hardcoded secrets, fail-fast validation

86

1.88x
Quality

77%

Does it follow best practices?

Impact

100%

1.88x

Average score across 5 eval scenarios

SecuritybySnyk

Passed

No known issues

Overview
Quality
Evals
Security
Files

Quality

Content

77%

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

This is a solid, actionable skill with excellent code examples across multiple languages and a clear checklist for validation. The main weakness is verbosity in the motivational sections that explain problems Claude already understands, and the monolithic structure that could benefit from splitting language-specific examples into separate files.

Suggestions

Remove or drastically shorten the 'Why This Matters From Day One' section - Claude understands why hardcoded secrets and scattered config are problematic

Move Python and Go examples to separate reference files (e.g., PYTHON.md, GO.md) and link from the main skill, keeping only TypeScript as the primary example

Trim the WRONG examples - one brief example per anti-pattern is sufficient; Claude doesn't need multiple variations to understand the concept

DimensionReasoningScore

Conciseness

The 'Why This Matters From Day One' section explains concepts Claude already understands (why hardcoded secrets are bad, why scattered config causes problems). The WRONG/RIGHT examples are valuable but the explanatory prose could be significantly trimmed.

2 / 3

Actionability

Provides fully executable, copy-paste ready code examples in TypeScript, Python, and Go. The required() and optional() helper patterns are concrete and immediately usable. Examples show both wrong and right approaches with real code.

3 / 3

Workflow Clarity

The 'Applying to Any New Backend Application' section provides a clear 6-step sequence. The checklist at the end serves as validation. For a configuration skill (not a destructive/batch operation), the workflow is appropriately clear.

3 / 3

Progressive Disclosure

Content is well-organized with clear sections, but everything is in one monolithic file. The detailed code examples for three languages could be split into separate reference files, with SKILL.md showing just one language and linking to others.

2 / 3

Total

10

/

12

Passed

Description

67%

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 effectively communicates when to apply the skill with explicit trigger conditions and explains the problems it prevents. However, it lacks specific concrete actions (what patterns exactly?) and could benefit from more natural user trigger terms like 'environment variables' or '.env'. The overly broad activation scope may cause unnecessary conflicts with other backend skills.

Suggestions

Add specific concrete actions like 'create .env files', 'implement config validation', 'set up environment-specific settings' to clarify what the skill actually does.

Include common user trigger terms such as 'environment variables', '.env', 'dotenv', 'credentials', 'settings file' that users naturally say when needing config help.

DimensionReasoningScore

Specificity

Names the domain (configuration management) and mentions some outcomes (prevent hardcoded secrets, wrong config, scattered config), but doesn't list specific concrete actions like 'create .env files', 'set up environment variables', or 'implement config validation'.

2 / 3

Completeness

Clearly answers both what (configuration management patterns) and when ('Apply whenever building, extending, or scaffolding any server, API, CLI tool, or backend service -- even if the task only asks for routes or business logic').

3 / 3

Trigger Term Quality

Includes relevant terms like 'backend application', 'server', 'API', 'CLI tool', 'backend service', 'config', 'secrets', but misses common user phrases like 'environment variables', '.env', 'dotenv', 'settings', 'credentials'.

2 / 3

Distinctiveness Conflict Risk

While focused on configuration management, the broad trigger of 'any backend application' and 'even if the task only asks for routes or business logic' could cause this skill to activate too frequently, potentially conflicting with general backend development skills.

2 / 3

Total

9

/

12

Passed

Validation

90%

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

Validation — 10 / 11 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

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

Warning

Total

10

/

11

Passed

Reviewed

Table of Contents

DiscoveryImplementationValidation