当用户需要导出主线决策记录、项目上下文摘要或交接材料时调用。
AI agents call export_main_markdown to retrieve information from GitBranchMCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool exports/reads existing mainline decision logs and context summaries to Markdown format. This is a read/export operation with no side effects — it retrieves and formats stored data without modifying or deleting anything. Severity is low since misuse would only expose internal project notes.
From the tool's definition export_main_markdown — 'export mainline decision records, project context summaries, or handover materials'
Attacks that exploit this kind of access
当用户需要导出主线决策记录、项目上下文摘要或交接材料时调用。. It is categorised as a Read tool in the GitBranchMCP MCP Server, which means it retrieves data without modifying state.
Register the GitBranch MCP server in PolicyLayer and add a rule for export_main_markdown: 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 GitBranchMCP. Nothing to install.
export_main_markdown 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 export_main_markdown 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 export_main_markdown. 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.
export_main_markdown is provided by the GitBranch MCP server (lianggaoyuan/gitbranchmcp). 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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