Create sandboxed public-unlisted or access-key-protected HTML previews through a remote MCP server.
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io.github.lifeodyssey/share-html is an MCP server that create sandboxed public-unlisted or access-key-protected HTML previews through a remote MCP server. Its tool list has not been published yet over http, requires no API key, and scores 82/100 on MCPpedia's security, maintenance and efficiency rubric.
Config is the same across clients - only the file and path differ.
{
"mcpServers": {
"io-github-lifeodyssey-share-html": {
"args": [
"-y",
"wrangler"
],
"command": "npx"
}
}
}Are you the author?
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Create sandboxed public-unlisted or access-key-protected HTML previews through a remote MCP server.
Run this in your terminal to verify the server starts. Then let us know if it worked - your result helps other developers.
npx -y 'wrangler' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Five weighted categories - click any category to see the underlying evidence.
Wrangler affected by OS Command Injection in `wrangler pages deploy`
**Summary** A command injection vulnerability (CWE-78) has been found to exist in the `wrangler pages deploy` command. The issue occurs because the `--commit-hash` parameter is passed directly to a shell command without proper validation or sanitization, allowing an attacker with control of `--commit-hash` to execute arbitrary commands on the system running Wrangler. **Root cause** The `commitHash` variable, derived from user input via the `--commit-hash` CLI argument, is interpolated directl
Arbitrary remote code execution within `wrangler dev` Workers sandbox
### Impact The V8 inspector intentionally allows arbitrary code execution within the Workers sandbox for debugging. `wrangler dev` would previously start an inspector server listening on all network interfaces. This would allow an attacker on the local network to connect to the inspector and run arbitrary code. Additionally, the inspector server did not validate `Origin`/`Host` headers, granting an attacker that can trick any user on the local network into opening a malicious website the ability
Arbitrary remote file read in Wrangler dev server
### Impact Sending specially crafted HTTP requests and inspector messages to Wrangler's dev server could result in any file on the user's computer being accessible over the local network. An attacker that could trick any user on the local network into opening a malicious website could also read any file. ### Patches This issue was fixed in `wrangler@3.19.0`. Wrangler will now only serve files that are part of your bundle, or referenced by your bundle's source maps. ### Workarounds Configure Wr
Cloudflare Wrangler directory traversal vulnerability
### Impact The Wrangler command line tool (<=wrangler@3.1.0 or <=wrangler@2.20.1) was affected by a directory traversal vulnerability when running a local development server for Pages (wrangler pages dev command). This vulnerability enabled an attacker in the same network as the victim to connect to the local development server and access the victim's files present outside of the directory for the development server. ### Patches Wrangler2: Upgrade to v2.20.1 or higher. Wrangler3: Upgrade to v3
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Usage research is available at /report/0923. The September 23, 2026 report uses a frozen snapshot and publishes only aggregated findings and anonymized use cases.
First-party analytics separates browser reports, HTTP/MCP business outcomes, acquisition signals, and bot evidence. See the measurement contract and operations guide for analytics preferences, data limits, retention, and GA4 configuration. Apply the analytics migrations before deploying with ANALYTICS_ENABLED=true. Browser analytics is enabled by default when the service is enabled and can be turned off in Analytics preferences; existing opt-outs, DNT/GPC, and unreadable preference storage prevent collection. Eligible browser events use the separate Share HTML GA4 property; enhanced measurement is disabled and private share pages do not send Google events.
Upload one HTML file, then share a sandboxed preview as an unlisted public link or an access-key-protected private link.
Share HTML is a small Cloudflare-hosted tool for sharing self-contained HTML files. It is useful for quick prototypes, mockups, receipts, tiny demos, and one-off pages that need a URL without setting up a site.
Share HTML intentionally exposes two different URL surfaces after upload:
/s/:slug. This is the best link to send because it includes status, safety context, the report action, and the embedded preview./v/:slug/. For a private link it requires the short-lived pre