blucli

BluOS CLI (blu) for discovery, playback, grouping, and volume.

2.07x

Quality

56%

Does it follow best practices?

Impact

85%

2.07x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./skills/blucli/SKILL.md

Quality

Discovery

40%

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 identifies a clear niche (BluOS CLI) which makes it distinctive, but it is too terse to be effective for skill selection. It lacks a 'Use when...' clause entirely and lists only broad action categories rather than specific capabilities, making it harder for Claude to confidently select this skill from a large pool.

Suggestions

Add an explicit 'Use when...' clause with trigger terms like 'Use when the user asks about Bluesound speakers, BluOS players, multi-room audio, or the blu command-line tool'.

Expand the capability list with more specific actions, e.g., 'Discovers BluOS players on the network, controls playback (play, pause, skip, seek), groups and ungroups speakers for multi-room audio, and adjusts volume levels'.

Include additional natural trigger terms users might say, such as 'Bluesound', 'speaker', 'music', 'streaming', 'multi-room', and 'audio player'.

Dimension	Reasoning	Score
Specificity	Names the domain (BluOS CLI) and lists several action categories (discovery, playback, grouping, volume), but these are high-level categories rather than specific concrete actions like 'discover players on network, play/pause/skip tracks, group/ungroup speakers, adjust volume levels'.	2 / 3
Completeness	Describes what the skill does at a high level but completely lacks a 'Use when...' clause or any explicit trigger guidance for when Claude should select this skill. Per rubric guidelines, a missing 'Use when...' clause caps completeness at 2, and the 'what' portion is also thin, warranting a 1.	1 / 3
Trigger Term Quality	Includes some relevant keywords like 'BluOS', 'blu', 'playback', 'volume', and 'grouping', but misses common user terms like 'speaker', 'music', 'Bluesound', 'streaming', 'audio', 'player', or 'multi-room'.	2 / 3
Distinctiveness Conflict Risk	BluOS CLI is a very specific niche tool; the mention of 'blu' command and 'BluOS' makes it highly unlikely to conflict with other skills. This is a clear, distinct domain.	3 / 3
	Total	8 / 12 Passed

Implementation

72%

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

This is a concise, well-structured skill that efficiently communicates CLI usage patterns for BluOS control. Its main weakness is that it could provide slightly more complete examples (e.g., a full grouping workflow with expected outputs) and explicit validation steps for destructive operations like group modifications. The target selection priority order is a nice touch that adds real value.

Suggestions

Add a brief example showing expected output from `blu devices` and `blu status` so Claude knows what to parse/expect

Include a validation step for grouping operations (e.g., verify group status after add/remove)

Dimension	Reasoning	Score
Conciseness	Extremely lean and efficient. Every line provides actionable information without explaining what BluOS is or how CLI tools work. No wasted tokens.	3 / 3
Actionability	Provides concrete commands that are copy-paste ready, but lacks complete workflow examples (e.g., full grouping sequence, what output to expect). The commands are real but some are incomplete patterns rather than fully specified examples.	2 / 3
Workflow Clarity	The quick start provides a reasonable sequence (discover → select → control), and there's a note to confirm target device before changing playback. However, there are no explicit validation checkpoints or error recovery steps for potentially disruptive operations like grouping changes.	2 / 3
Progressive Disclosure	For a simple, short skill with no bundle files, the content is well-organized into logical sections (quick start, target selection, common tasks, tips). No need for external references given the scope.	3 / 3
	Total	10 / 12 Passed

Validation

72%

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 — 8 / 11 Passed

Validation for skill structure

Criteria	Description	Result
metadata_version	'metadata.version' is missing	Warning
metadata_field	'metadata' should map string keys to string values	Warning
frontmatter_unknown_keys	Unknown frontmatter key(s) found; consider removing or moving to metadata	Warning

	Total	8 / 11 Passed

Repository: deepgram/dglabs-deepclaw
Commit: ec8d4f8

Reviewed: about 8 hours ago

Table of Contents

Discovery Implementation Validation

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