The description identifies a clear domain (real-time sports data via PubNub) and lists relevant capabilities, but lacks explicit trigger guidance which is critical for skill selection. The actions described are somewhat vague ('deliver') and the description misses common user phrasings for sports data requests.

Suggestions

Add a 'Use when...' clause with explicit triggers like 'Use when the user asks for live sports scores, game updates, match results, or needs real-time sports data streaming'

Replace vague 'Deliver' with specific actions like 'Fetches and streams real-time sports scores, displays live play-by-play updates, renders scoreboards'

Include more natural trigger terms users would say: 'live scores', 'game updates', 'match results', 'sports API', 'live game data'

Dimension	Reasoning	Score
Specificity	Names the domain (sports) and lists some actions (scores, play-by-play, scoreboards), but 'deliver' is somewhat vague and doesn't specify concrete operations like 'fetch', 'stream', or 'display'.	2 / 3
Completeness	Describes what it does but completely lacks a 'Use when...' clause or any explicit trigger guidance for when Claude should select this skill.	1 / 3
Trigger Term Quality	Includes relevant terms like 'sports scores', 'play-by-play', 'scoreboards', and 'PubNub', but misses common variations users might say like 'live scores', 'game updates', 'match results', or 'real-time updates'.	2 / 3
Distinctiveness Conflict Risk	The combination of sports data and PubNub is fairly specific, but without explicit triggers it could overlap with general sports skills or other real-time data skills.	2 / 3
	Total	7 / 12 Passed

Implementation

73%

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

This skill provides strong actionable guidance with excellent code examples and good progressive disclosure through reference files. However, it suffers from unnecessary persona framing and verbose introductory sections, and the workflow lacks explicit validation steps for what is essentially a real-time data pipeline where message ordering and delivery verification are critical.

Suggestions

Remove the persona introduction ('You are a PubNub live sports data specialist') and 'When to Use This Skill' section - Claude doesn't need this framing

Add explicit validation and error handling steps to the Core Workflow, such as verifying publish success, handling reconnection scenarios, and validating incoming data from sports providers

Include error handling in code examples showing how to handle publish failures and retry logic

Dimension	Reasoning	Score
Conciseness	The skill includes some unnecessary framing ('You are a PubNub live sports data specialist') and verbose 'When to Use This Skill' section that Claude doesn't need. The code examples are efficient, but the surrounding prose could be tightened significantly.	2 / 3
Actionability	Provides fully executable JavaScript code examples for publishing score updates, subscribing to channels with wildcards, and handling play-by-play events. Code is copy-paste ready with realistic data structures.	3 / 3
Workflow Clarity	The 'Core Workflow' section lists steps but lacks validation checkpoints. For a system handling real-time sports data, there's no guidance on verifying message delivery, handling publish failures, or validating data before broadcast.	2 / 3
Progressive Disclosure	Well-structured with a clear reference table pointing to three separate files for setup, events, and patterns. The main skill provides a solid overview with executable examples while deferring detailed content appropriately.	3 / 3
	Total	10 / 12 Passed

Validation

94%

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 — 15 / 16 Passed

Validation for skill structure

Criteria	Description	Result
description_trigger_hint	Description may be missing an explicit 'when to use' trigger hint (e.g., 'Use when...')	Warning

	Total	15 / 16 Passed

Install with Tessl CLI

npx tessl i pubnub/pubnub-live-sport-updates

Reviewed

23 days ago

Table of Contents

Discovery Implementation Validation