FC truenas-skill
Manage TrueNAS SCALE via API. Check pool health, manage datasets and snapshots, monitor alerts, control services, manage apps, orchestrate Dockge container stacks, and manage bookmarks. Use when the user asks about their NAS, storage, backups, containers, bookmarks, or homelab services.
As a process C 57/100 · Has gaps — weak spots: result and completion, failures and branches, running it twice
What is at stake
Medium-severity findings: the skill is probably honest, but read what alarmed the scanner.
Below is the worst case for this category. The finding here is medium: the guard saw a sign, not a proof.
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".
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.
How to improve
- 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 · 28
✓ No critical or high findings
Medium and low: 28
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medium Exfiltration
net-credential-usereferences/books-and-media.md:26Credential used in a network call (verify the destination is the intended service)curl -s "$AUDIOBOOKSHELF_URL/api/libraries" -H "Authorization: Bearer $AUDIOBOOKSHELF_API_KEY"
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medium Exfiltration
net-credential-usereferences/books-and-media.md:45Credential used in a network call (verify the destination is the intended service)curl -s "$LAZYLIBRARIAN_URL/api?cmd=getVersion&apikey=$LAZYLIBRARIAN_API_KEY"
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medium Exfiltration
net-credential-usereferences/books-and-media.md:48Credential used in a network call (verify the destination is the intended service)curl -s "$LAZYLIBRARIAN_URL/api?cmd=searchBook&name=QUERY&apikey=$LAZYLIBRARIAN_API_KEY"
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medium Exfiltration
net-credential-usereferences/books-and-media.md:51Credential used in a network call (verify the destination is the intended service)curl -s "$LAZYLIBRARIAN_URL/api?cmd=findAuthor&name=AUTHOR&apikey=$LAZYLIBRARIAN_API_KEY"
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medium Exfiltration
net-credential-usereferences/books-and-media.md:54Credential used in a network call (verify the destination is the intended service)curl -s "$LAZYLIBRARIAN_URL/api?cmd=getWanted&apikey=$LAZYLIBRARIAN_API_KEY"
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medium Exfiltration
net-credential-usereferences/downloads.md:37Credential used in a network call (verify the destination is the intended service)curl -s "$SABNZBD_URL/api?mode=queue&output=json&apikey=$SABNZBD_API_KEY"
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medium Exfiltration
net-credential-usereferences/downloads.md:40Credential used in a network call (verify the destination is the intended service)curl -s "$SABNZBD_URL/api?mode=history&output=json&apikey=$SABNZBD_API_KEY"
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medium Exfiltration
net-credential-usereferences/downloads.md:43Credential used in a network call (verify the destination is the intended service)curl -s "$SABNZBD_URL/api?mode=pause&apikey=$SABNZBD_API_KEY"
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medium Exfiltration
net-credential-usereferences/downloads.md:46Credential used in a network call (verify the destination is the intended service)curl -s "$SABNZBD_URL/api?mode=resume&apikey=$SABNZBD_API_KEY"
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medium Exfiltration
net-credential-usereferences/downloads.md:72Credential used in a network call (verify the destination is the intended service)curl -s "$SABNZBD_URL/api?mode=queue&output=json&apikey=$SABNZBD_API_KEY" \
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medium Exfiltration
net-credential-usereferences/homelab-services.md:36Credential used in a network call (verify the destination is the intended service)curl -s "$SYNCTHING_URL/rest/system/status" -H "X-API-Key: $SYNCTHING_API_KEY"
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medium Exfiltration
net-credential-usereferences/homelab-services.md:39Credential used in a network call (verify the destination is the intended service)curl -s "$SYNCTHING_URL/rest/system/connections" -H "X-API-Key: $SYNCTHING_API_KEY"
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medium Exfiltration
net-credential-usereferences/homelab-services.md:42Credential used in a network call (verify the destination is the intended service)curl -s "$SYNCTHING_URL/rest/db/status?folder=FOLDER_ID" -H "X-API-Key: $SYNCTHING_API_KEY"
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medium Exfiltration
net-credential-usereferences/homelab-services.md:62Credential used in a network call (verify the destination is the intended service)curl -s "$NOCODB_URL/api/v2/meta/bases" -H "xc-token: $NOCODB_API_KEY"
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medium Exfiltration
net-credential-usereferences/homelab-services.md:65Credential used in a network call (verify the destination is the intended service)curl -s "$NOCODB_URL/api/v2/meta/bases/BASE_ID/tables" -H "xc-token: $NOCODB_API_KEY"
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medium Exfiltration
net-credential-usereferences/media-management.md:24Credential used in a network call (verify the destination is the intended service)curl -s "$OVERSEERR_URL/api/v1/search?query=QUERY" -H "X-Api-Key: $OVERSEERR_API_KEY"
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medium Exfiltration
net-credential-usereferences/media-management.md:31Credential used in a network call (verify the destination is the intended service)curl -s "$OVERSEERR_URL/api/v1/movie/TMDB_ID" -H "X-Api-Key: $OVERSEERR_API_KEY"
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medium Exfiltration
net-credential-usereferences/media-management.md:34Credential used in a network call (verify the destination is the intended service)curl -s "$OVERSEERR_URL/api/v1/tv/TMDB_ID" -H "X-Api-Key: $OVERSEERR_API_KEY"
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medium Exfiltration
net-credential-usereferences/media-management.md:40Credential used in a network call (verify the destination is the intended service)curl -X POST "$OVERSEERR_URL/api/v1/request" -H "X-Api-Key: $OVERSEERR_API_KEY" \
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medium Exfiltration
net-credential-usereferences/media-management.md:86Credential used in a network call (verify the destination is the intended service)curl -s "$OVERSEERR_URL/api/v1/request?take=20&filter=pending" -H "X-Api-Key: $OVERSEERR_API_KEY"
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medium Exfiltration
net-credential-useSKILL.md:117Credential used in a network call (verify the destination is the intended service)curl -sk "$TRUENAS_URL/api/v2.0/system/info" -H "Authorization: Bearer $TRUENAS_API_KEY"
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medium Exfiltration
net-credential-useSKILL.md:124Credential used in a network call (verify the destination is the intended service)curl -sk "$TRUENAS_URL/api/v2.0/pool" -H "Authorization: Bearer $TRUENAS_API_KEY" \
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medium Exfiltration
net-credential-useSKILL.md:136Credential used in a network call (verify the destination is the intended service)curl -sk "$TRUENAS_URL/api/v2.0/alert/list" -H "Authorization: Bearer $TRUENAS_API_KEY" \
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medium Exfiltration
net-credential-useSKILL.md:143Credential used in a network call (verify the destination is the intended service)curl -sk "$TRUENAS_URL/api/v2.0/service" -H "Authorization: Bearer $TRUENAS_API_KEY" \
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medium Exfiltration
net-credential-useSKILL.md:152Credential used in a network call (verify the destination is the intended service)curl -sk "$TRUENAS_URL/api/v2.0/pool/dataset" -H "Authorization: Bearer $TRUENAS_API_KEY" \
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low Secrets in code
secret-high-entropy-tokenpackage-lock.json:24High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)"integrity": "sha5…GLw+xYSd…cqA==",
detector -
low Secrets in code
secret-high-entropy-tokenpackage-lock.json:54High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)"integrity": "sha5…CzX+oOPq…N14+GARU…vzg==",
detector -
low Secrets in code
secret-high-entropy-tokenpackage-lock.json:90High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)"integrity": "sha5…X9X+a368j/Ft0w…TWZ/g==",
detector
Files scanned: 14. Evidence is masked. Grey chips explain why severity was lowered.
Against the Agent Skills spec
- note
frontmatter-keyunknown frontmatter key "homepage"
Process rating: all ten parameters 57/100
- 0Result and completion. Does not say what the result is
- 0Failures and branches. Linear process with no failure handling
- 0Progress reporting. Says nothing while it works
- 30Running it twice. 5 mutating operations with no state check
- 60Tools and files. Uses tools (web, node) that frontmatter does not declare
- 70When it triggers. States when to use, but not when not to
- 70Inputs and preconditions. Inputs and preconditions are listed
- 100Steps. 17 steps
- 100Consistency. Name and required fields are in place
- 100Execution cost. Instruction body is 2581 tokens
- medium Safety rules and hard prohibitions inside a skill: they belong in the system prompt, here they protect nothing
- low 11 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)
- +3Output format is not stated: the model decides each time
- +2Single-language instructions
- +3Description length 287: enough signal without eating the budget
- +4Structure: 43 headings
- +3Step-by-step instructions: 17 items
- +4Has examples (26 code blocks)
- +4Reference files are cited in the instructions (6 of 6)
- +3All 3 scripts are documented
- +1License stated
Quality base 70; lint remarks subtract, signals add up to 100. Result: 91.