Link Checker
v2.1.0Crawl web pages and detect broken links, redirects, and HTTP errors. Use when auditing site links, finding 404 errors, validating URLs before launch.
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bybytesagain4@xueyetianya
MIT-0
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LicenseMIT-0 · Free to use, modify, and redistribute. No attribution required.
Security Scan
OpenClaw
Benign
medium confidencePurpose & Capability
The name/description match the code and instructions: the script crawls/requests URLs, classifies responses, and stores logs in ~/.link-checker. However, the registry metadata lists no required binaries while the SKILL.md and script explicitly require bash, curl, grep, sort, and awk — this mismatch is a minor coherence issue (the declared requirements are incomplete).
Instruction Scope
SKILL.md and the script stay within the stated purpose: they extract URLs from a provided file or accept URLs as arguments, issue HTTP requests with curl, and record results. The script only reads the provided file(s) and its own config/history files in the user's home directory; it does not access unrelated system credentials or external control endpoints.
Install Mechanism
There is no install specification (instruction-only with an included script), so nothing is downloaded or installed from external URLs. The included scripts are plain Bash with no obfuscation. This is a low-risk install model.
Credentials
The skill requests no environment variables or external credentials. It does use $HOME to create ~/.link-checker for logs/config, which is reasonable for its purpose. Be aware the SKILL.md/script require standard CLI tools (bash, curl, grep, sort, awk) even though registry 'required binaries' is empty — this should be reconciled before installation.
Persistence & Privilege
The skill does not request 'always: true' or any elevated privileges; it persists only under the user's home directory (~/.link-checker). It does not modify other skills or system-wide settings.
Assessment
This skill appears to implement a straightforward link checker. Before installing: (1) review the included script (scripts/script.sh) yourself — it is plain Bash and readable; (2) ensure the host has the required CLI tools (bash, curl, grep, sort, awk) because the registry metadata did not declare them; (3) be careful what URLs or files you pass: the tool will issue HTTP requests to any URL you provide (including internal/private IPs or intranet hosts), so avoid scanning sensitive internal endpoints; (4) note the tool stores logs and reports in ~/.link-checker — don't put secrets or credentials into files you scan, and consider where you want history stored; (5) if you allow autonomous agent invocation, remember the agent could use this skill to initiate network requests on your behalf — restrict that capability if you are concerned about internal network scanning.Like a lobster shell, security has layers — review code before you run it.
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License
MIT-0
Free to use, modify, and redistribute. No attribution required.