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Checks if a website is WebMCP ready — validates tools, contracts, forms, and security. WebMCP Ready Checker is a developer tool that scans any web page and tells you how well it implements the WebMCP specification — the emerging standard for exposing website functionality to AI agents. Click the extension icon to open the side panel, hit "Scan this page", and get an instant readiness score (0–100) across five categories: **What it checks:** - Detection — Is navigator.modelContext available? Are tools registered? - Page Coverage — Do registered tools cover forms, search, action buttons, filters, and content listings? - Tool Contracts — Are tool names valid snake_case? Are schemas well-formed with typed properties and descriptions? - Security — No secrets in tool definitions? Proper readOnlyHint annotations? Consent for risky actions? - Declarative Forms — Are form tools configured with toolname, tooldescription, and labeled fields? **Features:** - One-click scanning from the side panel - Overall score with per-category breakdowns - Actionable fix suggestions with copy-paste code snippets - Discovered Tools inventory showing every registered tool with its full schema - Page Overlay mode — highlights covered (green) and uncovered (red) interactive elements directly on the page - Cross-linking between tool cards and their check results for fast navigation - Full Report page with scoring methodology explanation - Export as JSON or PDF for sharing with your team **Who is this for?** Web developers implementing WebMCP on their sites. If you're adding AI agent support to your web application using the WebMCP API (navigator.modelContext), this tool helps you validate your implementation and find gaps before agents try to use your site. **Privacy:** All analysis runs locally in your browser. No data is sent to any server. The extension reads page DOM structure only when you click "Scan" — it does not collect, store, or transmit any browsing data.
Feb 16, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.