Skills/ClawHub/caldav-sync

caldav-sync@1.0.3

CAUTION· install only

Publisher claims: "Calendar and task management via CalDAV protocol. Query, create, edit, and delete calendar events and todos. Free/busy query, multi-account support." Observed in sandbox: reads credential files.

Registry ClawHubPublisher gzlicanyi · publishing for 177 daysInstalls 1,168Last detonated 26 min ago
What would fix thisWatchDispute verdict

Coverage

Install scripts ran; no agent task scenario for this bundle.
Tested
install scripts, with decoy credentials in place · second launch with the clock 45 days ahead · every file read, file written and host contacted by what ran
Not tested
use of the skill by an agent

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios; install scripts ran; no agent task scenario for this bundle) on 2026-11-15 and scored it 77/100 (Caution). It is not known to be malicious, but it has behaviour or code a security policy should decide on before install. Notable findings: Access to sensitive file paths; Access to sensitive file paths; Access to sensitive file paths. Summary: reads credential files.

Behavior trace

Honeypot run · 2 s · 2 scenarios
t+CategoryObserved action
0.0sprocessinstall script run in the sandbox
1.2sfilesystemread ~/.npmrc
1.2sfilesystemread ~/.npm/_logs · ~/.npm/_cacache/index-v5/16/c3/b6db9f1fee86560fde219b7710638c26fc68760262bb934f351251e28e04 · ~/.npm/_cacache/index-v5/e9/72/1d8f524fd352397c71b12a9e968351e60e1b3e60eeecfec3703a5f093c1b · ~/.npm/_cacache/index-v5/62/a5/f6177795d7b47677ccbb7708c78a0233527d9b748ff67edc29b1e01aa2a5 · ~/.npm/_cacache/index-v5/ae/26/4f0500aa0af94771e3aeb0a7db7153faf4f245521a4095d765a465f508ce · ~/.npm/_cacache/index-v5/e2/f4/662005cd57fba832014f34d3e45ae6070bfd4ddce3acfe9525a092dbbe27 outside project
1.2sfilesystemwrote ~/.npm/_cacache/tmp/7548f2fa · ~/.npm/_cacache/tmp/030df4e1 · ~/.npm/_cacache/tmp/50cccb88 · ~/.npm/_cacache/tmp/06dc41e9 · ~/.npm/_cacache/tmp/60a2634f · ~/.npm/_cacache/tmp/4adff8f5
1.2snetworkCONNECT tcp://registry.npmjs.org:443
1.2snetworkCONNECT tcp://registry.npmjs.org:443
1.2snetworkCONNECT tcp://registry.npmjs.org:443
1.2snetworkCONNECT tcp://registry.npmjs.org:443
1.2snetworkCONNECT tcp://registry.npmjs.org:443
1.2snetworkCONNECT tcp://registry.npmjs.org:443
1.2snetworkCONNECT tcp://registry.npmjs.org:443
1.2snetworkCONNECT tcp://registry.npmjs.org:443
1.2snetworkCONNECT tcp://registry.npmjs.org:443
1.2sprocessexec /usr/bin/dirname
1.2sprocessexec /usr/local/bin/npm
1.2sprocessexited 1: npm warn config production Use `--omit=dev` instead.
1.2sprocessscript backend runs setup only
1.2sprocessscript backend runs setup only
1.7sprocesssecond launch, clock +45 days, CI unset
1.7sprocessexec /usr/bin/dirname
1.7sprocessexited 1:

Static findings

HIGH
Access to sensitive file pathsscripts/config.js:9 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesconst SHARED_ENV_PATH = path.join(os.homedir(), '.config', 'mail-skills', '.env');Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathsscripts/config.js:10 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesconst FALLBACK_ENV_PATH = path.resolve(__dirname, '../.env');Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathsscripts/config.js:211 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesconsole.error(`Error: Account "${accountName}" not found. Check ~/.config/mail-skills/.env`);Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathsSKILL.md:209 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system files- Configuration is stored at `~/.config/mail-skills/.env` with `600` permissions (owner read/write only)Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathssetup.sh:4 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system files# Writes to shared config: ~/.config/mail-skills/.envFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
MEDIUM
File permission modification commandsetup.sh:216 · File permission modification command — agent changes file ownership/permissionschmod 600 "$CONFIG_FILE"Fix: Request the narrowest permission that works; replace wildcards with the exact paths or hosts.
AST05
HIGH
Access to sensitive file pathssetup.sh:7 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesCONFIG_FILE="$CONFIG_DIR/.env"Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
MEDIUM
npx invocation of non-well-known packageSKILL.md:232 · npx invocation of non-well-known package — may execute untrusted codenpx skills add https://github.com/gzlicanyi/mail-skills -s imap-smtp-emailFix: Pin versions and sources; vendor anything fetched at install time.
AST06
HIGH
Access to sensitive file pathsSKILL.md:36 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesConfiguration is stored at `~/.config/mail-skills/.env` (shared with imap-smtp-email skill). If no shared config is found, the skill falls back to a `.env` file in the skill directory.Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05

Cost to the agent

Instructions loaded
≈1,608 tok
1 file · 11 in bundle

Tokens estimated at four characters each. Skills load their instruction text when triggered; the figure is what that costs.

Known vulnerabilities

Vulnerability advisories (OSV) cover npm and PyPI packages; this registry has no advisory database.

What would make this Verified

3 points to 80 · weights: behavior 45%, static 25%, prompt 15%, publisher 15%
  1. Reads credential files≈ +27 on the totalThe sandbox saw reads under ~/.ssh, ~/.aws, ~/.npmrc, ~/.config or similar. Read only files inside the project, and only the ones the task needs. Seen: ~/.npmrc.
  2. Unclaimed publisher≈ +8 on the totalClaim gzlicanyi: a verified publisher gets +50 on publisher trust. It is free and usually instant with GitHub sign-in.
  3. Touches files outside the project≈ +7 on the totalKeep reads and writes inside the working directory, or declare the exact paths in `filesystem:` and explain why in the README.
  4. Access to sensitive file paths≈ +4 on the totalStop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
  5. File permission modification command≈ +2 on the totalRequest the narrowest permission that works; replace wildcards with the exact paths or hosts.
  6. npx invocation of non-well-known package≈ +2 on the totalPin versions and sources; vendor anything fetched at install time.
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