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websocket-implementation

Implements real-time WebSocket communication with connection management, room-based messaging, and horizontal scaling. Use when building chat systems, live notifications, collaborative tools, or real-time dashboards.

64

Quality

81%

Does it follow best practices?

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SecuritybySnyk

Low

Low-risk findings worth noting

SKILL.md
Quality
Evals
Security

Quality

Content

68%Weight 40%Scale 1-5

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

A well-structured, code-first skill that is highly actionable across server, client, and React integration. The main weaknesses are the absence of an explicit implementation sequence with validation checkpoints and a thin progressive-disclosure split for the longer sections.

Suggestions

Add explicit validation checkpoints to the implementation order (e.g., a numbered sequence: verify Redis adapter connected before accepting traffic, test auth handshake failure path, confirm room broadcast works with two clients).

Annotate verifyToken() in the server example the same way getToken() is annotated in the React hook, since it is the only undefined symbol left in the main code.

Move the 'Monitoring Endpoints' code and the generic Best Practices / Never Do lists into a reference file to slim the main SKILL.md and deepen the progressive-disclosure structure.

Trim common-knowledge bullets (e.g., 'Implement comprehensive error handling', 'Authenticate before allowing operations') to only items that are non-obvious or specific to this implementation.

DimensionReasoningScore

Conciseness

The body is dominated by lean, executable code with minimal prose and no explanations of concepts Claude already knows (no 'what is a WebSocket' padding). It is not 5 because the 'Best Practices' and 'Never Do' bullet lists contain several generic common-knowledge items ('Implement comprehensive error handling', 'Authenticate before allowing operations') that could be trimmed.

4 / 5

Actionability

Provides complete, copy-paste-ready server, client, React hook, message protocol, and monitoring code covering common cases. Not 5 due to minor gaps: verifyToken() and the server/app variables in the server example are undefined in the body (getToken() is helpfully annotated, showing the gap was addressed inconsistently).

4 / 5

Workflow Clarity

Content is organized topically (server, client, hook, protocol, scaling, monitoring) rather than as a sequenced workflow, and there are no explicit validation or verification checkpoints (e.g., confirm the Redis adapter attached before serving traffic, test the auth handshake). This fits anchor 3 — a discernible order but checkpoints missing or implicit — better than anchor 4.

3 / 5

Progressive Disclosure

The bundle reference (references/python-websocket.md) is real, clearly signaled with a link and a one-line content summary, and only one level deep. Not 5 because the split is minimal: monitoring endpoints and the best-practice/never-do lists remain inline in an already long SKILL.md, and no other reference files exist for the sizable client/hook/protocol material.

4 / 5

Total

15

/

20

Passed

Description

83%Weight 40%Scale 1-5

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

A strong description that clearly states what the skill does and when to use it, with concrete capabilities and multiple natural trigger scenarios. Minor room for improvement in keyword synonyms and slightly broad trigger terms like 'collaborative tools'.

DimensionReasoningScore

Specificity

Names the domain and several concrete capabilities — 'connection management, room-based messaging, and horizontal scaling' — in third person, matching the 'several specific actions; minor gaps in coverage' anchor. It falls short of 5 because client-side implementation, authentication, and reconnection handling are not enumerated, and exceeds 3 because more than 1-2 concrete actions are listed.

4 / 5

Completeness

Explicitly answers both: what ('Implements real-time WebSocket communication with connection management, room-based messaging, and horizontal scaling') and when ('Use when building chat systems, live notifications, collaborative tools, or real-time dashboards') with concrete trigger phrases. This matches the anchor-5 good example structure exactly.

5 / 5

Trigger Term Quality

Includes natural terms users would say — 'chat systems, live notifications, collaborative tools, real-time dashboards' plus 'WebSocket' and 'real-time' — giving good keyword coverage. Not 5 because common variations like Socket.IO, push notifications, or ws are missing; clearly above 3's 'missing common variations' since four distinct natural trigger scenarios are present.

4 / 5

Distinctiveness Conflict Risk

'Real-time WebSocket communication' is a clear technical niche with distinct triggers, but 'chat systems' and 'collaborative tools' could overlap with closely related skills (WebRTC, SSE, general API-building), fitting anchor 4 rather than 5. It is well above anchor 3 since the WebSocket framing is unambiguous.

4 / 5

Total

17

/

20

Passed

Validation

100%

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

Validation — 16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository

secondsky/claude-skills

Path

plugins/websocket-implementation/skills/websocket-implementation/SKILL.md

Reviewed

Table of Contents

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