crow_get_chord_diagram

Get an SVG chord diagram for a chord name

SERVERCrow SOURCEkh0pper/crow

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/kh0pper-crow/crow-get-chord-diagram.md

WHAT IT DOES

What crow_get_chord_diagram does on Crow

AI agents call crow_get_chord_diagram to retrieve information from Crow without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why crow_get_chord_diagram is rated Low

This tool performs a pure read operation: it takes a chord name as input and returns a generated SVG diagram. There are no side effects, no data modification, no execution of arbitrary code, and no destructive or financial implications. The operation is idempotent and informational in nature.

From the tool's definition Tool name contains 'get' and description states 'Get an SVG chord diagram for a chord name' — retrieves and returns visualization data without modifying any state.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs crow_get_chord_diagram safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Crow, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For crow_get_chord_diagram, this is the rule to start with:

crow_get_chord_diagram Allowed

crow_get_chord_diagram is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Crow, apply this rule, and every crow_get_chord_diagram call is checked against it from then on.

FAQ

Questions about crow_get_chord_diagram

What does the crow_get_chord_diagram tool do? +

Get an SVG chord diagram for a chord name. It is categorised as a Read tool in the Crow MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on crow_get_chord_diagram? +

Register the Crow MCP server in PolicyLayer and add a rule for crow_get_chord_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 Crow. Nothing to install.

What risk level is crow_get_chord_diagram? +

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

Can I rate-limit crow_get_chord_diagram? +

Yes. Add a rate_limit block to the crow_get_chord_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 crow_get_chord_diagram completely? +

Set action: deny in the PolicyLayer policy for crow_get_chord_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 crow_get_chord_diagram? +

crow_get_chord_diagram is provided by the Crow MCP server (kh0pper/crow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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