clean_mermaid_diagram
AI agents call clean_mermaid_diagram to retrieve information from MCP GeneLab Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name indicates it cleans or formats mermaid diagram output, consistent with data retrieval and presentation rather than modification of source data. While the empty description reduces confidence, the sibling context (visualization and analysis tools) and naming convention suggest this is a read operation that returns processed diagram data without side effects.
From the tool's definition Tool name 'clean_mermaid_diagram' suggests data transformation or formatting of diagram output; no description provided.
Attacks that exploit this kind of access
clean_mermaid_diagram. It is categorised as a Read tool in the MCP GeneLab Server MCP Server, which means it retrieves data without modifying state.
Register the MCP GeneLab Server MCP server in PolicyLayer and add a rule for clean_mermaid_diagram: 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 MCP GeneLab Server. Nothing to install.
clean_mermaid_diagram 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 clean_mermaid_diagram 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 clean_mermaid_diagram. 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.
clean_mermaid_diagram is provided by the MCP GeneLab Server MCP server (sbl-sdsc/mcp-genelab). 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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