can_merge_pull_request · Bitbucket Server MCP: Risk & Policy

WHAT IT DOES

What can_merge_pull_request does on Bitbucket Server MCP

AI agents call can_merge_pull_request to retrieve information from Bitbucket Server MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why can_merge_pull_request needs a policy

This tool only checks/queries the merge eligibility status of a pull request. It retrieves information without making any modifications, executing code, or causing side effects.

From the tool's definition Check whether a pull request can be merged

Attacks that exploit this kind of access

Questions about can_merge_pull_request

What does the can_merge_pull_request tool do? +

Check whether a pull request can be merged. It is categorised as a Read tool in the Bitbucket Server MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on can_merge_pull_request? +

Register the Bitbucket Server MCP server in PolicyLayer and add a rule for can_merge_pull_request: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Bitbucket Server MCP. Nothing to install.

What risk level is can_merge_pull_request? +

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

Can I rate-limit can_merge_pull_request? +

Yes. Add a rate_limit block to the can_merge_pull_request rule in your PolicyLayer 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 can_merge_pull_request completely? +

Set action: deny in the PolicyLayer policy for can_merge_pull_request. 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 can_merge_pull_request? +

can_merge_pull_request is provided by the Bitbucket Server MCP server (manpreetshuann/bitbucket-server-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.