generate_mermaid_diagram

ServerDataverse MCP Server
CategoryRead

How to control generate_mermaid_diagram ↓

WHAT IT DOES

What generate_mermaid_diagram does on Dataverse MCP Server

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

THE RISK

Low Risk

Why generate_mermaid_diagram needs a policy

This tool reads an existing schema JSON file and generates a diagram/documentation output. It does not modify any data, execute code, or have side effects beyond producing a visualization. It is purely a read/transform operation on existing data.

From the tool's definition Generates a Mermaid entity relationship diagram from an exported schema JSON file. Creates visual documentation

Documented attack patterns abuse exactly the kind of access generate_mermaid_diagram gives an agent:

POLICY

How to control generate_mermaid_diagram

PolicyLayer is an MCP gateway — it sits between your AI agents and Dataverse MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for generate_mermaid_diagram:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "generate_mermaid_diagram": {}
  }
}

generate_mermaid_diagram is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Dataverse MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

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FAQ

Questions about generate_mermaid_diagram

What does the generate_mermaid_diagram tool do? +

Generates a Mermaid entity relationship diagram from an exported schema JSON file. Creates visual documentation of your data model with tables, columns, and relationships. Perfect for documentation, presentations, and understanding data structure. It is categorised as a Read tool in the Dataverse MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on generate_mermaid_diagram? +

Register the Dataverse MCP Server MCP server in PolicyLayer and add a rule for generate_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 Dataverse MCP Server. Nothing to install.

What risk level is generate_mermaid_diagram? +

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

Can I rate-limit generate_mermaid_diagram? +

Yes. Add a rate_limit block to the generate_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.

How do I block generate_mermaid_diagram completely? +

Set action: deny in the PolicyLayer policy for generate_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.

What MCP server provides generate_mermaid_diagram? +

generate_mermaid_diagram is provided by the Dataverse MCP Server MCP server (mwhesse/dataverse-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Dataverse MCP Server tool call.

Start from Dataverse MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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71 Dataverse MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.