bunny.net CDN and Shield

bunny-mcp

An MCP server for debugging bunny.net CDN sites and managing bunny Shield, the bunny.net web application firewall (WAF).

This is an unofficial project. It is not affiliated with or endorsed by bunny.net.

It covers pull zones (CDN sites), edge rules, cache purges, CDN statistics, origin error logs, and Shield: WAF settings, custom WAF rules, rate limits, bot detection and WAF event logs. It does not cover DNS, storage, Stream or edge scripts. For those, see anvme/bunnycdn-mcp or Digitizers/bunny-mcp.

What it does differently

• Explains what rules will really do. get_shield_zone returns notes that warn, for example, when Block rules only log because the zone's WAF execution mode is Log.
• Reads WAF event logs. shield_event_logs shows what the WAF blocked, challenged or logged in the last 72 hours, grouped by rule, IP, JA4 fingerprint and more.
• Reports what changed. Update tools return a before-and-after diff. update_pull_zone also lists settings bunny.net changed that you did not ask for.
• Keeps responses small. Pull zones, edge rules, origin errors and event logs are summarised. Pass detail: true for the raw response.
• Hides credentials. Token authentication keys, AWS signing keys, TLS certificates and private keys, log forwarding tokens, and cookie or Authorization values in edge rule triggers are replaced with <hidden>, also in raw responses.

Requirements

• Node.js 20 or later
• A bunny.net account API key, from Account settings > API key in the bunny.net dashboard. This key gives full access to the account.

Install

Claude Code:

claude mcp add bunny --env BUNNY_API_KEY=your-key -- npx -y @fullfatthings/bunny-mcp

Other MCP clients (for example Claude Desktop):

{
  "mcpServers": {
    "bunny": {
      "command": "npx",
      "args": ["-y", "@fullfatthings/bunny-mcp"],
      "env": { "BUNNY_API_KEY": "your-key" }
    }
  }
}

Configuration

Variable	Meaning
BUNNY_API_KEY	Required. Your bunny.net account API key.
BUNNY_READONLY	Set to 1 to register only the read tools. Write tools are then absent from the tool list, so the assistant cannot call them.

Tools

Read tools:

Tool	Purpose
list_pull_zones	List pull zones with IDs, origins and hostnames.
get_pull_zone	One pull zone: hostnames, readable edge rules, and caching, origin and security settings.
cdn_statistics	Bandwidth, requests, cache hit rate and error responses.
origin_errors	Failed requests from bunny.net to your origin on one day, with counts by error.
get_shield_zone	WAF settings, custom rules, rate limits and bot detection, with notes.
shield_event_logs	Requests the WAF blocked, challenged or logged in the last 72 hours.

Write tools (not registered when BUNNY_READONLY=1):

Tool	Purpose
update_pull_zone	Change pull zone settings.
purge_cache	Purge one URL or a whole pull zone.
save_edge_rule	Create or update an edge rule.
set_edge_rule_enabled	Switch an edge rule on or off.
delete_edge_rule	Delete an edge rule.
update_shield_zone	Change WAF settings, including adding or removing single rule IDs from lists.
update_bot_detection	Change bot detection mode and sensitivity.
save_waf_rule	Create or update a custom WAF rule.
save_rate_limit	Create or update a rate limit.
delete_shield_rule	Delete a custom WAF rule or rate limit.

To test a new WAF rule safely, save it with action Log, check shield_event_logs, then save it again with action Block.

Development

npm install
npm test

To release, run npm version patch (or minor or major). It updates package.json and server.json, commits, tags and pushes; the tag starts a GitHub Action that publishes to npm and the MCP registry.

Licence

MIT. See LICENSE.