MCP Tool Reference Low Risk

r2_bucket_get

Get details about a specific R2 bucket

Part of the Cloudflare MCP server. Enforce policies on this tool with Intercept, the open-source MCP proxy.

cloudflare/mcp-server-cloudflare Other

WHEN AI AGENTS USE THIS TOOL

AI agents call r2_bucket_get to perform operations in Cloudflare. While the risk category is not fully classified, applying a rate limit gives you visibility into how often the tool is called and prevents unexpected bursts of activity from autonomous agents.

WHY ENFORCE A POLICY ON R2_BUCKET_GET

Applying a policy to r2_bucket_get gives you an audit trail of every call an AI agent makes. Even for low-risk tools, visibility into agent behaviour helps you debug issues, optimise workflows, and maintain compliance with your organisation's security requirements.

RECOMMENDED POLICY

Apply a rate limit to control usage and monitor for unexpected behaviour.

cloudflare.yaml 
tools:
  r2_bucket_get:
    rules:
      - action: allow
        rate_limit:
          max: 60
          window: 60

See the full Cloudflare policy for all 23 tools.

DETAILS

Tool Name

r2_bucket_get

Category

Other

MCP Server

Cloudflare MCP Server

Risk Level

Low

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RELATED READING

FREQUENTLY ASKED QUESTIONS

What does the r2_bucket_get tool do?

Get details about a specific R2 bucket. It is categorised as a Other tool in the Cloudflare MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on r2_bucket_get?

Add a rule in your Intercept YAML policy under the tools section for r2_bucket_get. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the Cloudflare MCP server.

What risk level is r2_bucket_get?

r2_bucket_get is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit r2_bucket_get?

Yes. Add a rate_limit block to the r2_bucket_get rule in your Intercept policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block r2_bucket_get completely?

Set action: deny in the Intercept policy for r2_bucket_get. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides r2_bucket_get?

r2_bucket_get is provided by the Cloudflare MCP server (cloudflare/mcp-server-cloudflare). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.

ENFORCE POLICIES ON CLOUDFLARE

Open source. One binary. Zero dependencies.

VIEW ON GITHUB Full Cloudflare policy →