FF clawshot
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As a process F 36/100 · Will not run — References files that are not bundled: skill-v1-backup.md
What is at stake
The skill contains fragments that, in the wrong hands, cost money or data. Below: what the installer risks and what the author should do.
The skill contains commands that delete files, rewrite disks or execute code fetched from the network. The agent may run them without asking if it believes the instructions require it.
Replace destructive commands with safe equivalents that ask for confirmation, scope them to one folder, and stop piping curl into a shell: pin a version and a checksum.
Below is the worst case for this category. The finding here is medium: the guard saw a sign, not a proof.
The skill asks for more than the task needs: broad tool access, credential environment variables, binaries. Every extra permission widens the damage from a mistake or a compromise.
Narrow allowed-tools and the variable list to the minimum; replace binaries with readable sources or scripts.
How to improve
- Address the high-severity findings: each costs 18 safety points. If one is a false positive, add the rule id to guard.allow in spec.yaml.
- Say in the description WHEN to use the skill ("use when…", example requests): that is the agent's main cue.
- The SKILL.md body is over 5,000 tokens: move reference detail into references/ and load it when needed.
- The text references files that are not there: add them or drop the references.
- 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
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high Dangerous commands
cmd-persistenceAUTOMATION.md:651Persistence mechanism (cron / launchd / scheduled task / autorun registry)(crontab -l 2>/dev/null; cat << CRON
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high Dangerous commands
cmd-persistenceAUTOMATION.md:668Persistence mechanism (cron / launchd / scheduled task / autorun registry)) | crontab -
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high Dangerous commands
cmd-persistencesetup.sh:116Persistence mechanism (cron / launchd / scheduled task / autorun registry)(crontab -l 2>/dev/null; cat << CRON
-
high Dangerous commands
cmd-persistencesetup.sh:152Persistence mechanism (cron / launchd / scheduled task / autorun registry)) | crontab -
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high Dangerous commands
cmd-persistenceSKILL.md:227Persistence mechanism (cron / launchd / scheduled task / autorun registry)(crontab -l 2>/dev/null; cat << 'CRON'
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high Dangerous commands
cmd-persistenceSKILL.md:231Persistence mechanism (cron / launchd / scheduled task / autorun registry)) | crontab -
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high Dangerous commands
cmd-persistenceSKILL.md:254Persistence mechanism (cron / launchd / scheduled task / autorun registry)(crontab -l 2>/dev/null; cat << CRON
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high Dangerous commands
cmd-persistenceSKILL.md:266Persistence mechanism (cron / launchd / scheduled task / autorun registry)) | crontab -
Medium and low: 20
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medium Dangerous commands
cmd-pipe-to-shellAUTOMATION.md:750Downloads and executes remote code from an unrecognised host (pipe to shell) (the skill's own vendor host)curl -sS https://clawshot.ai/setup.sh | bash
vendor-host -
medium Broad scope
meta-agent-memory-dumpheartbeat.mdAgent memory / workspace files bundled with the skill (1) — likely a workspace dump with personal data or tokensheartbeat.md
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medium Dangerous commands
cmd-pipe-to-shellSKILL.md:190Downloads and executes remote code from an unrecognised host (pipe to shell) (the skill's own vendor host)bash <(curl -sS https://clawshot.ai/setup.sh)
vendor-host -
low Dangerous commands
cmd-background-processAUTOMATION.md:600Starts a background / autostarted processnohup ~/.clawshot/tools/worker-daemon.sh &
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low Dangerous commands
cmd-cron-mentionAUTOMATION.md:651Mentions editing / listing crontab(crontab -l 2>/dev/null; cat << CRON
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low Dangerous commands
cmd-cron-mentionMONITORING.md:317Mentions editing / listing crontab# Add to crontab: crontab -e
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low Dangerous commands
cmd-cron-mentionMONITORING.md:425Mentions editing / listing crontab# crontab -e
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low Dangerous commands
cmd-pipe-to-shellsetup.sh:3Downloads and executes remote code from an unrecognised host (pipe to shell) (code comment; the skill's own vendor host)# Run: bash <(curl -sS https://clawshot.ai/setup.sh)
commentvendor-host -
low Dangerous commands
cmd-cron-mentionsetup.sh:113Mentions editing / listing crontabif crontab -l 2>/dev/null | grep -q "ClawShot autonomous agent"; then
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low Dangerous commands
cmd-cron-mentionsetup.sh:116Mentions editing / listing crontab(crontab -l 2>/dev/null; cat << CRON
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low Exfiltration
net-credential-usesetup.sh:124Credential used in a network call (verify the destination is the intended service) (detector / deny-list definition)$BROWSE1_MIN $BROW…OUR * * * source ~/.clawshot/env.sh && curl -s \$CLAWSHOT_BASE_URL/v1/feed?limit=10 -H "Authorization: Bearer \$CLAWSHOT_API_KEY" | jq -r '.posts[] | "[\(.agent.name)] \(.captio
detector -
low Exfiltration
net-credential-usesetup.sh:125Credential used in a network call (verify the destination is the intended service) (detector / deny-list definition)$BROWSE2_MIN $BROW…OUR * * * source ~/.clawshot/env.sh && curl -s \$CLAWSHOT_BASE_URL/v1/feed?limit=10 -H "Authorization: Bearer \$CLAWSHOT_API_KEY" | jq -r '.posts[] | "[\(.agent.name)] \(.captio
detector -
low Exfiltration
net-credential-usesetup.sh:126Credential used in a network call (verify the destination is the intended service) (detector / deny-list definition)$BROWSE3_MIN $BROW…OUR * * * source ~/.clawshot/env.sh && curl -s \$CLAWSHOT_BASE_URL/v1/feed?limit=10 -H "Authorization: Bearer \$CLAWSHOT_API_KEY" | jq -r '.posts[] | "[\(.agent.name)] \(.captio
detector -
low Exfiltration
net-credential-usesetup.sh:127Credential used in a network call (verify the destination is the intended service) (detector / deny-list definition)$BROWSE4_MIN $BROW…OUR * * * source ~/.clawshot/env.sh && curl -s \$CLAWSHOT_BASE_URL/v1/feed?limit=10 -H "Authorization: Bearer \$CLAWSHOT_API_KEY" | jq -r '.posts[] | "[\(.agent.name)] \(.captio
detector -
low Exfiltration
net-credential-usesetup.sh:128Credential used in a network call (verify the destination is the intended service) (detector / deny-list definition)$BROWSE5_MIN $BROW…OUR * * * source ~/.clawshot/env.sh && curl -s \$CLAWSHOT_BASE_URL/v1/feed?limit=10 -H "Authorization: Bearer \$CLAWSHOT_API_KEY" | jq -r '.posts[] | "[\(.agent.name)] \(.captio
detector -
low Dangerous commands
cmd-cron-mentionSKILL.md:227Mentions editing / listing crontab(crontab -l 2>/dev/null; cat << 'CRON'
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low Dangerous commands
cmd-cron-mentionSKILL.md:254Mentions editing / listing crontab(crontab -l 2>/dev/null; cat << CRON
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low Exfiltration
net-credential-useSKILL.md:259Credential used in a network call (verify the destination is the intended service) (detector / deny-list definition)$((RANDOM % 60)) $((RANDOM % 24)) * * * source ~/.clawshot/env.sh && curl -s \$CLAWSHOT_BASE_URL/v1/feed?limit=10 -H "Authorization: Bearer \$CLAWSHOT_API_KEY" | jq -r '.posts[] | "[\(.agent.name)] \(
detector -
low Exfiltration
net-credential-useSKILL.md:260Credential used in a network call (verify the destination is the intended service) (detector / deny-list definition)$((RANDOM % 60)) $((RANDOM % 24)) * * * source ~/.clawshot/env.sh && curl -s \$CLAWSHOT_BASE_URL/v1/feed?limit=10 -H "Authorization: Bearer \$CLAWSHOT_API_KEY" | jq -r '.posts[] | "[\(.agent.name)] \(
detector -
low Exfiltration
net-credential-useSKILL.md:261Credential used in a network call (verify the destination is the intended service) (detector / deny-list definition)$((RANDOM % 60)) $((RANDOM % 24)) * * * source ~/.clawshot/env.sh && curl -s \$CLAWSHOT_BASE_URL/v1/feed?limit=10 -H "Authorization: Bearer \$CLAWSHOT_API_KEY" | jq -r '.posts[] | "[\(.agent.name)] \(
detector
Files scanned: 17. Evidence is masked. Grey chips explain why severity was lowered.
Against the Agent Skills spec
- warning
description-no-whendescription does not say WHEN to use the skill (no "use when") - warning
body-longSKILL.md body ≈ 5521 tokens (recommended < 5000); move details to references/ - warning
missing-refreference to a missing file: skill-v1-backup.md - note
frontmatter-keyunknown frontmatter key "homepage"
Process rating: all ten parameters 36/100
- 0Tools and files. 1 referenced file(s) missing: skill-v1-backup.md
- 0Result and completion. Does not say what the result is
- 0Inputs and preconditions. Does not say what the process needs to start
- 20When it triggers. No condition that starts the skill
- 30Running it twice. 2 mutating operations with no state check
- 50Failures and branches. 0 branches, has a failure section
- 70Execution cost. Instruction body is 5521 tokens
- 85Steps. 99 steps, 1 vague phrases
- 100Consistency. Name and required fields are in place
- 100Progress reporting. Reports progress
- low 16 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
- -258 emoji in the instructions: noise for the model
- +1No license
- +2Single-language instructions
- +3Description length 163: enough signal without eating the budget
- +4Structure: 43 headings
- +3Step-by-step instructions: 99 items
- +4Has examples (23 code blocks)
Quality base 70; lint remarks subtract, signals add up to 100. Result: 53.