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arn-code-init

Optional customization and upgrade tool. This skill should be used when the user says "initialize arness code", "arness code init", "arn-code-init", "init arness code", "setup arness code", "arness code setup", "set up arness code", "start arness code", "upgrade arness code", "update arness code", "configure arness code for this project", "add arness code to this project", "reconfigure arness code", "review arness config", "customize arness config", "arness settings", or wants to customize Arness configuration, review current settings, or upgrade after a plugin update. Handles both existing codebases (analyzes patterns) and greenfield projects (recommends patterns based on technology choices). Also handles upgrades after plugin updates.

58

Quality

68%

Does it follow best practices?

Impact

No eval scenarios have been run

SecuritybySnyk

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./plugins/arn-code/skills/arn-code-init/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

47%

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

This skill has excellent workflow clarity with well-defined branching, validation checkpoints, and error recovery, making it robust for a complex multi-step initialization process. However, it is severely over-verbose — the ~500+ line body contains significant repetition between the main flow and upgrade flow, restates field preservation rules multiple times, and includes procedural detail that could be condensed or moved to reference files. Actionability is moderate: specific commands and config values are provided, but most guidance is prose rather than executable examples.

Suggestions

Reduce verbosity by extracting the Upgrade Flow (Steps U1-U9) into a separate reference file, keeping only a brief summary and link in the main SKILL.md

Consolidate repeated field preservation rules and backward compatibility notes into a single reference section rather than restating them in Steps 3, 9, U3, and U7

Add concrete executable examples for agent invocations (Task tool calls with actual parameter structures) rather than describing them in prose

Move the detailed label table, Jira detection flow, and Bitbucket setup flow into their referenced files (platform-labels.md, bkt-setup.md) and keep only brief summaries inline

DimensionReasoningScore

Conciseness

This skill is extremely verbose at ~500+ lines. It explains every micro-step in exhaustive detail, includes lengthy tables, repeated instructions across flows, and duplicates logic between the main flow and upgrade flow. Many steps could be condensed significantly — e.g., the upgrade flow repeats detection logic already described in Step 3, and field preservation rules are restated multiple times. Claude doesn't need this level of hand-holding for config management tasks.

1 / 3

Actionability

The skill provides specific commands (git rev-parse, gh label create, mkdir -p) and concrete config field names/values, which is good. However, it lacks executable code examples — most guidance is procedural prose rather than copy-paste ready scripts. The agent invocations reference external agents and files but don't show concrete invocation syntax. The JSON example for settings.json is one of the few concrete code blocks.

2 / 3

Workflow Clarity

The multi-step workflow is exceptionally well-sequenced with clear branching (Flow A vs Flow B), explicit validation checkpoints (schema validation before writing pattern docs, checksum verification for templates), feedback loops (re-invoke agent if output incomplete, fix and re-validate), and error recovery paths. The upgrade flow has a clear diagnostic → categorize → auto-fix → user-input → verify pipeline. Step 10 provides a verification checklist.

3 / 3

Progressive Disclosure

The skill references multiple external files (pattern-schema.md, greenfield-questions.md, template-setup.md, platform-labels.md, bkt-setup.md, jira-mcp-setup.md, step-0-fast-path.md) which is good progressive disclosure in principle. However, no bundle files were provided to verify these exist, and the main SKILL.md itself is monolithic — the upgrade flow, error handling, and backward compatibility sections could potentially be split into separate reference files to reduce the massive inline content.

2 / 3

Total

8

/

12

Passed

Description

89%

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

This description excels at trigger coverage and completeness, with an exhaustive list of trigger phrases and clear 'when to use' guidance. Its main weakness is that the actual capabilities are described somewhat vaguely — 'customization and upgrade tool' and 'analyzes patterns' don't convey concrete actions. The heavy reliance on the 'Arness' brand name makes it highly distinctive but the functional description could be more specific.

Suggestions

Replace the vague 'Optional customization and upgrade tool' opener with specific concrete actions, e.g., 'Generates and modifies Arness configuration files, scaffolds project settings, and applies plugin upgrades.'

DimensionReasoningScore

Specificity

The description mentions some actions like 'analyzes patterns', 'recommends patterns based on technology choices', and 'handles upgrades after plugin updates', but the core capability ('customization and upgrade tool') is vague. It doesn't list concrete specific actions like 'generates config files' or 'modifies settings'.

2 / 3

Completeness

The description clearly answers both 'what' (customization and upgrade tool that handles existing codebases and greenfield projects) and 'when' (explicit 'Use when' clause with extensive trigger phrases and situational triggers like 'wants to customize Arness configuration, review current settings, or upgrade after a plugin update').

3 / 3

Trigger Term Quality

The description includes an extensive list of natural trigger phrases users would say, covering many variations like 'initialize arness code', 'setup arness code', 'upgrade arness code', 'configure arness code', 'arness settings', etc. These are realistic user utterances with good coverage of synonyms.

3 / 3

Distinctiveness Conflict Risk

The skill is highly distinctive due to the 'Arness' brand name appearing in virtually all trigger terms. It's unlikely to conflict with other skills since it targets a very specific tool/product configuration workflow.

3 / 3

Total

11

/

12

Passed

Validation

81%

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

Validation9 / 11 Passed

Validation for skill structure

CriteriaDescriptionResult

skill_md_line_count

SKILL.md is long (643 lines); consider splitting into references/ and linking

Warning

frontmatter_unknown_keys

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

Warning

Total

9

/

11

Passed

Repository
AppsVortex/arness
Reviewed

Table of Contents

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