Get details of a specific branch
AI agents call get_branch to retrieve information from Bitbucket MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves branch metadata without creating, modifying, or deleting any data. It is a read-only operation consistent with the Read category (get, fetch operations). The blast radius of misuse is minimal—an agent could only access branch information that already exists. Severity is low as no destructive or system-impacting actions are possible.
From the tool's definition Tool name 'get_branch' and description 'Get details of a specific branch' indicate a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Get details of a specific branch. It is categorised as a Read tool in the Bitbucket MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Bitbucket MCP Server MCP server in PolicyLayer and add a rule for get_branch: 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 MCP Server. Nothing to install.
get_branch is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_branch 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.
Set action: deny in the PolicyLayer policy for get_branch. 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.
get_branch is provided by the Bitbucket MCP Server MCP server (jlromano/bitbucket-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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