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review-hog-perspective-performance-reliability

The Performance & Reliability review perspective for PostHog Review. Verifies that changed code will perform and hold up in production: resource efficiency, error handling and recovery, scalability, and operational readiness. Reports performance and reliability issues only.

60

Quality

70%

Does it follow best practices?

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SecuritybySnyk

Low

Low-risk findings worth noting

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tessl review fix ./products/review_hog/skills/review-hog-perspective-performance-reliability/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

75%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.

The body is well-structured, actionable, and concise, with concrete investigation commands and clear reporting guidance. It is a strong, self-contained review-perspective skill with only minor redundancy and no explicit validation feedback loop.

Suggestions

Consolidate the overlapping 'Primary investigation areas', 'Key questions', and 'What a valid finding looks like' sections to remove redundancy and lift conciseness.

Add a brief validation step in the reporting workflow (e.g., 'confirm the issue reproduces or is backed by a concrete code location before reporting') to strengthen workflow_clarity.

Consider extracting the ripgrep command catalog or severity guide into a referenced file to push progressive_disclosure toward 5 if the skill grows.

DimensionReasoningScore

Conciseness

The body is mostly lean — investigation areas and bullet lists with no padding about concepts Claude already knows — though the 'Primary investigation areas', 'Key questions', and 'What a valid finding looks like' sections overlap somewhat and could be tightened.

4 / 5

Actionability

Provides concrete, copy-paste-ready ripgrep commands (e.g. `rg "for.*in|while" --type py -A 10 | rg "query|select|fetch"`) plus a severity guide for reporting; mostly executable guidance with minor gaps in coverage of common cases.

4 / 5

Workflow Clarity

The review flow is clear — investigate the four areas using the given commands, focus on the listed file types, then report findings with the severity guide — and no destructive/batch validation cap applies; not a 5 because there is no explicit validation/retry feedback loop, though one is not strictly required here.

4 / 5

Progressive Disclosure

Content is self-contained and well-organized into clearly labeled sections with no nested or buried references; no bundle files exist, so it scores on section organization alone — good but not a clean 5 given the ~100-line body could plausibly offload the command catalog or severity guide.

4 / 5

Total

16

/

20

Passed

Description

66%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.

The description clearly communicates the perspective's purpose and scope with good trigger keywords, but lacks an explicit 'Use when...' trigger clause, capping completeness. It is specific and well-delineated within the PostHog review system.

Suggestions

Add an explicit trigger clause such as 'Use when reviewing a PR for performance, reliability, scalability, or production-readiness concerns.' to raise completeness above 3.

Include a few natural synonyms users might say (e.g., 'latency', 'throughput', 'outages', 'degradation') to broaden trigger-term coverage toward 5.

Tighten the action list from concern categories toward concrete review actions (e.g., 'Identifies N+1 queries, missing indexes, and retry gaps') to push specificity higher.

DimensionReasoningScore

Specificity

Names the domain (Performance & Reliability review) and lists several concrete concern areas — 'resource efficiency, error handling and recovery, scalability, and operational readiness' — with a clear scope statement ('Reports performance and reliability issues only'). Not a 5 because these are concern categories rather than granular concrete actions.

4 / 5

Completeness

The 'what' is clearly stated ('Verifies that changed code will perform and hold up in production'), but there is no explicit 'Use when...' trigger clause; the 'when' is only weakly implied, which per the rubric caps completeness at 3.

3 / 5

Trigger Term Quality

Includes natural terms a user would say in a review context — 'performance', 'reliability', 'production', 'error handling', 'scalability' — but misses some common synonyms/variations, so it sits just below comprehensive coverage.

4 / 5

Distinctiveness Conflict Risk

The phrase 'Reports performance and reliability issues only' carves a clear niche distinct from sibling review perspectives, with only minor overlap risk against closely related review skills.

4 / 5

Total

15

/

20

Passed

Validation

93%

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

Validation15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

metadata_version

'metadata.version' is missing

Warning

Total

15

/

16

Passed

Repository
PostHog/posthog
Reviewed

Table of Contents

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