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Install in OpenClaw
/install strd-link-checker
Description
Check all links in a website's HTML files and report broken, redirected, and slow links. Supports internal links, external links, and affiliate link identifi...
Usage Guidance
This skill appears to do what it says: it reads HTML files and issues HTTP requests to test links. Before running: (1) be explicit about SITE_DIR when invoking (SKILL.md treats it as required even though the registry doesn't), (2) understand the script will make outbound requests to every discovered URL (which can be slow, generate traffic to third parties, or trigger rate limits), (3) set LINK_CHECK_TIMEOUT to a sensible value and consider running on a copy of your site if you want to avoid contacting production endpoints, (4) note affiliate detection is substring-based (e.g., 'ref=' or simple domain fragments) and may produce false positives, and (5) ensure typical utilities (find, grep, sed, bc, mktemp) are available on the system. No credentials or hidden endpoints were found.
Capability Analysis
Type: OpenClaw Skill
Name: strd-link-checker
Version: 1.0.0
The skill is a legitimate utility for auditing links within HTML files, checking for broken links, redirects, and response times. It uses standard system tools like `curl`, `grep`, and `python3` to perform its tasks and outputs reports in Markdown format. No evidence of data exfiltration, malicious execution, or prompt injection was found in `SKILL.md` or the scripts (`check.sh`, `quick.sh`, `affiliate.sh`).
Capability Assessment
Purpose & Capability
Name/description (link checking, broken/redirect/slow/affiliate detection) aligns with the included scripts. The scripts only read HTML files and make HTTP requests to discovered links, which is coherent with the stated purpose.
Instruction Scope
Runtime instructions and scripts stay within scope: they search for *.html files, extract href values, and use curl to check link status. They do make outbound network requests to every discovered URL (following redirects with -L) — expected for a link checker but worth noting because it will contact arbitrary third-party servers found in the site content. Scripts skip mailto, anchors, and javascript: links. No instructions attempt to access unrelated system secrets or config.
Install Mechanism
No install spec; scripts are included and executed directly. This is low-risk compared with remote downloads or package installs.
Credentials
SKILL.md documents an expected required environment variable (SITE_DIR) plus optional LINK_CHECK_TIMEOUT and AFFILIATE_DOMAINS, but the registry metadata lists no required env vars. The binaries declared (curl, python3) are appropriate, though the scripts also rely on standard POSIX utilities (find, grep, sed, mktemp, date, bc) which are typically present but not declared. No credentials or sensitive environment variables are requested.
Persistence & Privilege
The skill does not request persistent/always-on privileges and does not modify other skills or system-wide settings. It runs on-demand and prints reports to stdout.
How to Use
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install strd-link-checker - After installation, invoke the skill by name or use
/strd-link-checker - Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.0.0
Initial release of the link-checker skill:
- Scans HTML files to find and validate all internal, external, and affiliate links.
- Reports broken (4xx/5xx), redirected (3xx), and slow links (>5s response time).
- Separates links by type and outputs a severity-sorted, markdown report.
- Provides fast, full, and affiliate-focused scan scripts.
- Includes configurable options for timeouts and affiliate domains via environment variables.
Metadata
Frequently Asked Questions
What is Link Checker?
Check all links in a website's HTML files and report broken, redirected, and slow links. Supports internal links, external links, and affiliate link identifi... It is an AI Agent Skill for Claude Code / OpenClaw, with 139 downloads so far.
How do I install Link Checker?
Run "/install strd-link-checker" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is Link Checker free?
Yes, Link Checker is completely free, licensed under MIT-0. You can download, install and use it at no cost.
Which platforms does Link Checker support?
Link Checker is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created Link Checker?
It is built and maintained by KRYZL19 (@kryzl19); the current version is v1.0.0.
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