Evaluation report
Warningsmeasuring-pmf · skill13598cc· last month
Every check MetaHub ran on this artifact, grouped by area. Static checks run on the source at publish time; behavioral checks run the artifact in a sandbox and judge what it actually does.
Structural
7 passedRepository is reachable
https://github.com/RefoundAI/lenny-skills @ 13598cc — ★ 1,247 · MIT · last push 4 weeks ago
Manifest detected
kind=skill slug=measuring-pmf · path=skills/measuring-pmf · source=SKILL.md
Slug is URL-safe
"measuring-pmf" matches /^[a-z0-9][a-z0-9-]{0,62}$/
Slug is unique within kind
No collision found for skill/measuring-pmf
Version is semver
0.1.0
Manifest present and parseable
Manifest found at SKILL.md.
Name declared and well-formed
Name "measuring-pmf" is well-formed.
Documentation
7 passed2 warningsHomepage or repository declaredwarn
No homepage or repository declared.
Add a "homepage" or "repository" field to SKILL.md.
Documentation shows usagewarn
Documentation has no code examples.
Add at least one fenced example showing a real invocation.
Description quality
23 words · 178 chars — "Help users objectively assess where their product stands on the PMF spectrum by …"
README is present and substantial
16,249 chars · 7 sections · 1 code block
Tags / topics declared
10 total — ai-agents, ai-assistant, claude, claude-code, lenny-rachitsky, llm (+4)
Safety
6 passed2 warnings1 queuedLicense declaredwarn
No license found.
Add a LICENSE file at the artifact root, or declare a `license` field in the manifest. MIT and Apache-2.0 are the common choices.
No invisible characters in model-read textwarn
1 stray invisible character, concealing nothing. references/guest-insights.md:406 — stray zero-width character (not concealing anything)
Remove the characters. If the text is genuinely bidirectional, keep the isolates and drop the overrides.
LICENSE file at repo root
LICENSE
Kind-specific
8 passed3 warningsSkill: triggers declaredwarn
No `trigger` phrases in SKILL.md frontmatter
Add `trigger:` lines so Claude knows when to activate this skill — e.g. `when building MCP servers` or `for diagram creation`.
Tool scope declaredwarn
No tool scope declared.
Declare `allowed-tools` with the minimum set the skill actually needs. If it needs none, declare an empty list explicitly.
Description says when to use the skillwarn
Description says what the skill is, but not when to use it.
Add the triggering condition — e.g. "Use when the user pastes tabular data and wants a markdown table." A client routes on this text.
Skill: SKILL.md present
found at skills/measuring-pmf/SKILL.md · frontmatter source: SKILL.md
Maintenance
1 passed2 warnings1 queuedTests detectedwarn
no test/tests/__tests__/spec/t/ dirs, no JVM src/test/, and no JS/TS/Python/Go/Ruby/Elixir test files
Add tests (even a smoke test). Consumers gauge maintenance quality by their presence.
CI configuration detectedwarn
no CI config found (looked for GitHub Actions, CircleCI, GitLab CI, etc.)
Add a simple workflow (lint + test on PR) — it tells consumers the artifact is built reproducibly.
Recent activity
last push 4 weeks ago