SKILLEMALL.ai

AB alon-fact-check

USE WHEN user wants to verify factual claims from text or a URL with authoritative sources, or trace a claim back to its original or official source URL. Extracts explicit verifiable claims, searches primary or professional fact-checking sources, and returns a structured credibility report or source trace with links. Do not use for opinion editing, general research summaries, or advice generation.

ClawHub Agent Skills author: alon v0.1.2 MIT-0 4 files body ≈ 5 345 tokens Open the sourceclawhub.ai analyzed 3 d ago

As a process B 72/100 · Nearly there — weak spots: running it twice, progress reporting

AnalyzerInfrastructureData and analyticsWriting and documentstype and topics are labelled automatically from the skill text
JSON
Technical rating
A
91/100
safety, quality, tests
Safety 60%
100
Quality 40%
78
Run on models
none yet
Process rating
B
72/100
Nearly there
Progress reporting w 2
0
Running it twice w 4
30
Tools and files w 18
60
the three weakest of ten parameters · all ten

How to improve

  1. The SKILL.md body is over 5,000 tokens: move reference detail into references/ and load it when needed.
For the model run — optional
  • Your own cases (evals/evals.json, 4–6 real requests with expected answers): the full check would then run those instead of a model-drafted suite.
  • A spec.yaml with trigger phrases and assertions — a behaviour contract for CI; `skilltest init` writes a template.

Guard findings · 0

✓ No critical or high findings

Files scanned: 4. Evidence is masked. Grey chips explain why severity was lowered.

Against the Agent Skills spec

  • warning body-long SKILL.md body ≈ 5345 tokens (recommended < 5000); move details to references/
  • note frontmatter-key unknown frontmatter key "trigger"

Process rating: all ten parameters 72/100

  • 0Progress reporting. Says nothing while it works
  • 30Running it twice. 5 mutating operations with no state check
  • 60Tools and files. Uses tools (web) that frontmatter does not declare
  • 60Result and completion. Output format stated, no completion criterion
  • 70Inputs and preconditions. Inputs and preconditions are listed
  • 70Failures and branches. 19 branches
  • 70Execution cost. Instruction body is 5345 tokens
  • 85Steps. 128 steps, 2 vague phrases
  • 100When it triggers. States when to use and when not to
  • 100Consistency. Name and required fields are in place
  • medium Safety rules and hard prohibitions inside a skill: they belong in the system prompt, here they protect nothing

Everything here is measured from the skill text rather than judged by a model, so the numbers are checkable. A parameter weighs more when it is a more common reason for the process to stall.

Quality signals

  • +5Description has no quoted example phrases that should trigger the skill
  • -213 emoji in the instructions: noise for the model
  • +1No license
  • +2Single-language instructions
  • +4Description says when NOT to use the skill
  • +3Description length 400: enough signal without eating the budget
  • +4Structure: 15 headings
  • +3Step-by-step instructions: 128 items
  • +3Output format is stated explicitly
  • +4Has examples (2 code blocks)

Quality base 70; lint remarks subtract, signals add up to 100. Result: 78.

External checks

ClawHub: clean
This is a markdown-only fact-checking skill whose web/search behavior fits its stated purpose, with the main caveat that users should avoid submitting sensitive URLs or text.
LLM: benign (high) · VirusTotal: · 29 May 2026