CtrlK
BlogDocsLog inGet started
Tessl Logo

verify-posthog-instrumentation

Use this skill to verify that PostHog instrumentation is firing correctly on a website. Drives a real browser at one or more URLs, observes which PostHog events actually arrive, and reports a pass/fail summary. Use after installing the PostHog SDK on a site, after a deploy that touches tracking code, or when events appear missing in the PostHog dashboard.

73

Quality

90%

Does it follow best practices?

Run evals on this skill

Adds up to 20 points to the overall score

View guide

SecuritybySnyk

Passed

No findings from the security scan

SKILL.md
Quality
Evals
Security

Quality

Content

92%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 tight, well-structured workflow that names real tools and decision criteria with an explicit verification checklist and troubleshooting loop. No bundle files exist, so progressive disclosure rests on the clean in-file organization, which is strong.

DimensionReasoningScore

Conciseness

Lean and purposeful body with no padding about what PostHog or a browser is; a few minor explanatory asides (e.g. the ~30s ingestion lag note) could be trimmed but most every token earns its place.

4 / 5

Actionability

Names exact MCP tools and concrete return fields to inspect (check_posthog_loading, simulate_new_user, simulate_returning_user, loaded, api_key, api_host, verified), giving fully executable guidance for the common cases.

5 / 5

Workflow Clarity

Three clearly sequenced steps with an explicit "verified when" checklist and a troubleshooting feedback loop ("If Steps 1 and 2 pass but events don't show up..."), matching the anchor for clear sequence with validation steps and error-recovery loops.

5 / 5

Progressive Disclosure

Single self-contained file (no bundle present) that is well organized into clear sections; per the simple-skill guidance, well-organized single-file content with no need for external references scores 5.

5 / 5

Total

19

/

20

Passed

Description

87%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 well-crafted description that explicitly answers both what and when with concrete trigger phrases and natural terminology. Uses compliant third-person voice throughout.

DimensionReasoningScore

Specificity

Names the domain plus several concrete actions ("Drives a real browser", "observes which PostHog events actually arrive", "reports a pass/fail summary") with only minor coverage gaps, matching the anchor for several specific actions.

4 / 5

Completeness

Clearly states what the skill does and gives multiple explicit "Use after.../when..." trigger clauses, matching the anchor for explicit answers to both what and when with concrete triggers.

5 / 5

Trigger Term Quality

Good coverage of natural terms ("PostHog", "instrumentation", "tracking code", "events appear missing in the PostHog dashboard", "PostHog SDK") but a few broader synonyms (e.g. "analytics") are absent.

4 / 5

Distinctiveness Conflict Risk

Targets a clear narrow niche (PostHog instrumentation verification) with distinct triggers and minimal overlap risk with other skills.

5 / 5

Total

18

/

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.

Validation16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository
PostHog/posthog
Reviewed

Table of Contents

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.