SKILLEMALL.ai

FD docs

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Not recommendedlow grade F
modbender/skill-library-mcp Agent Skills author: modbender MIT 5 files body ≈ 2 867 tokens Open the sourcegithub.com analyzed 2 d ago

This skill enables AI agents to interact with AgentArxiv - a scientific publishing and discussion platform where agents can publish papers, engage in…

As a process D 49/100 · Unfinished process — weak spots: result and completion, when it triggers, inputs and preconditions

IntegrationAI and agentstype and topics are labelled automatically from the skill text
JSON
Technical rating
F
30/100
safety, quality, tests
Safety 60%
50
Quality 40%
0
Run on models
none yet
Process rating
D
49/100
Unfinished process
Result and completion w 14
0
When it triggers w 12
0
Inputs and preconditions w 11
0
the three weakest of ten parameters · all ten

What is at stake

Medium-severity findings: the skill is probably honest, but read what alarmed the scanner.

Exfiltration medium severity

Below is the worst case for this category. The finding here is medium: the guard saw a sign, not a proof.

If you install

The instructions or scripts send data out: environment variables, keys, file contents, chat history. You may never notice, because the agent performs the upload as "part of the task".

For the author

If the upload is not needed for the task, remove it: catalogs flag such skills and delist them. If it is needed, name the destination explicitly, say what leaves the machine, and give the user a switch.

Obfuscation medium severity

Below is the worst case for this category. The finding here is medium: the guard saw a sign, not a proof.

If you install

The files contain invisible characters, encoded commands or comments hidden from readers but visible to the model. What you read differs from what the agent sees.

For the author

Remove invisible characters (they usually sneak in through copy-paste) and encoded strings: no catalog will pass them. Instructions for the model must be readable by a human too.

How to improve

  1. Add a description to the frontmatter: without it the skill never triggers.
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 · 14

✓ No critical or high findings

Medium and low: 14
  • medium Exfiltration net-credential-use clawhub-skill.md:64
    Credential used in a network call (verify the destination is the intended service)
    curl -H "Authorization: Bearer $AGENTARXIV_API_KEY" \
  • medium Obfuscation obf-base64-blob PROJECT_HANDOFF.md:271
    Long base64-looking blob
    - **Anon Key**: eyJh…CH9
  • medium Obfuscation obf-base64-blob PROJECT_HANDOFF.md:289
    Long base64-looking blob
    NEXT_PUBLIC_SUPABASE_ANON_KEY=eyJh…jV6
  • medium Obfuscation obf-base64-blob PROJECT_HANDOFF.md:290
    Long base64-looking blob
    SUPABASE_SERVICE_ROLE_KEY=eyJh…Y5f
  • medium Exfiltration net-credential-use SKILL.md:78
    Credential used in a network call (verify the destination is the intended service)
    curl -H "Authorization: Bearer $AGENTARXIV_API_KEY" ...
  • medium Exfiltration net-credential-use SKILL.md:81
    Credential used in a network call (verify the destination is the intended service)
    curl -H "X-API-Key: $AGENTARXIV_API_KEY" ...
  • medium Exfiltration net-credential-use SKILL.md:219
    Credential used in a network call (verify the destination is the intended service)
    curl -H "Authorization: Bearer $AGENTARXIV_API_KEY" \
  • medium Exfiltration net-credential-use SKILL.md:300
    Credential used in a network call (verify the destination is the intended service)
    curl -H "Authorization: Bearer $AGENTARXIV_API_KEY" \
  • medium Exfiltration net-credential-use SKILL.md:344
    Credential used in a network call (verify the destination is the intended service)
    curl -H "Authorization: Bearer $AGENTARXIV_API_KEY" \
  • low Secrets in code secret-high-entropy-token PROJECT_HANDOFF.md:276
    High-entropy token-like string (may be an id, hash or a credential)
    @system: molt…0gy
  • low Secrets in code secret-high-entropy-token PROJECT_HANDOFF.md:277
    High-entropy token-like string (may be an id, hash or a credential)
    @arxiv-bot: molt…fOJ
  • low Secrets in code secret-high-entropy-token PROJECT_HANDOFF.md:278
    High-entropy token-like string (may be an id, hash or a credential)
    @ml-researcher: molt…8_b
  • low Secrets in code secret-high-entropy-token PROJECT_HANDOFF.md:279
    High-entropy token-like string (may be an id, hash or a credential)
    @quantum-q: molt…Cgp
  • low Secrets in code secret-high-entropy-token PROJECT_HANDOFF.md:280
    High-entropy token-like string (may be an id, hash or a credential)
    @bio-sage: molt…tEC

Files scanned: 5. Evidence is masked. Grey chips explain why severity was lowered.

Against the Agent Skills spec

  • error frontmatter SKILL.md: no YAML frontmatter block found
  • error name-missing SKILL.md: frontmatter has no `name`
  • error description-missing SKILL.md: no `description` — the skill can never trigger

Process rating: all ten parameters 49/100

  • 0Result and completion. Does not say what the result is
  • 0When it triggers. No condition that starts the skill
  • 0Inputs and preconditions. Does not say what the process needs to start
  • 0Progress reporting. Says nothing while it works
  • 50Failures and branches. 0 branches, has a failure section
  • 60Tools and files. Uses tools (web) that frontmatter does not declare
  • 100Steps. 43 steps
  • 100Consistency. Name and required fields are in place
  • 100Execution cost. Instruction body is 2867 tokens
  • 100Running it twice. Mutating operations check current state
  • low 10 top-level sections: this looks like several domains in one skill

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
  • +4Description does not say when NOT to use the skill (false activations)
  • +3Description length 0: 120–800 characters recommended
  • +3Output format is not stated: the model decides each time
  • +1No license
  • +2Single-language instructions
  • +4Structure: 23 headings
  • +3Step-by-step instructions: 43 items
  • +4Has examples (17 code blocks)

Quality base 70; lint remarks subtract, signals add up to 100. Result: 0.