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Set Bucket CORS Policy
An MCP tool from the Cloudflare API server, hosted on mcp.hjlabs.in.
Set Bucket CORS Policy Replaces the Cross-Origin Resource Sharing (CORS) rules for an R2 bucket. Rules specify which… [PUT /accounts/{account_id}/r2/buckets/{bucket_name}/cors]
Name on the gateway: cloudflare_api__r2_put_bucket_cors_policy · may change things.
Parameters
| Name | Type | Description |
|---|---|---|
account_id required | string | account_id parameter |
bucket_name required | string | bucket_name parameter |
rules | array |
How to call it
Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:
{
"name": "cloudflare_api__r2_put_bucket_cors_policy",
"arguments": {
"account_id": "…",
"bucket_name": "…"
}
}Or connect the Cloudflare API server directly, which lists 3,127 tools including this one:
claude mcp add --transport http hj-cloudflare-api https://mcp.hjlabs.in/mcp/cloudflare-api \
--header "Authorization: Bearer YOUR_API_KEY"Try asking
Use the set bucket cors policy tool with account_id set to ….