Webskan plugin for Claude Code

Audit and re-check the website your agent just shipped. The plugin adds the Webskan remote MCP server (https://webskan.com/mcp) and a /webskan:site-check skill that teaches Claude Code the loop: audit, fix the high and medium findings by id, deploy, re-check, report fixed / still open / new.

What Webskan checks, from the outside, in a real mobile browser: Lighthouse (mobile and desktop), a crawl of up to 30 pages with SEO checks on each, axe-core accessibility (WCAG 2.1 AA), security headers and TLS, broken links, forms, the cookie banner, and customer journeys (404 page, menu, search, cart to checkout). Every finding has a stable id, so the re-check is an exact diff.

Install

In Claude Code:

/plugin marketplace add kamilobstawskiagent-ux/webskan-claude-plugin
/plugin install webskan@webskan

Or from the shell:

claude plugin marketplace add kamilobstawskiagent-ux/webskan-claude-plugin
claude plugin install webskan@webskan

No account and no key are needed for the free plan. If you only want the MCP server without the skill:

claude mcp add --transport http webskan https://webskan.com/mcp

Use

/webskan:site-check https://mysite.com

or just ask: "audit https://mysite.com and fix the high-severity findings, then recheck".

Tools provided by the server: scan_website, audit_website, get_audit, recheck_website. Details, limits of the free plan and configuration for Cursor, VS Code, Codex CLI and other clients: https://webskan.com/developers/

Free plan limits

• scan_website: 10 per hour per IP (120 per hour overall); results cached 24 h per host, kept 7 days.
• audit_website / recheck_website: 2 per IP per 24 h and 1 per host per 24 h; 1-30 pages; results kept 30 days.
• Public websites only - no localhost, private networks or sites behind a login.

Developer plan ($29/month): 30 whole-site audits per 24 h per key and no one-audit-per-host-per-day window. Pass the key as Authorization: Bearer <key> (an http server with headers in your MCP config). Details: https://webskan.com/developers/#teams

Layout

.claude-plugin/marketplace.json      marketplace "webskan"
plugins/webskan/
  .claude-plugin/plugin.json         plugin manifest
  .mcp.json                          remote MCP server
  skills/site-check/SKILL.md         the audit -> fix -> recheck loop

License

MIT. Contact: kontakt@webskan.com

In CI

The same audit as a GitHub Action, run after the deploy step and failing the job on high findings: kamilobstawskiagent-ux/webskan-action (uses: kamilobstawskiagent-ux/webskan-action@v1, inputs url, pages, fail-on, recheck-of).