doc_set_canvas

A write tool on the Mcp Anything MCP server.

SERVERMcp Anything SOURCEZaymadkid/mcp-anything

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mcp-anything/doc-set-canvas.md

WHAT IT DOES

What doc_set_canvas does on Mcp Anything

AI agents use doc_set_canvas to create or update resources in Mcp Anything, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Anything environment.

RISK

Why doc_set_canvas is rated Medium

The 'set' prefix combined with 'canvas' suggests this tool modifies document or canvas settings, which is a reversible write operation. Without a description, confidence is moderate. The blast radius is medium because modifying canvas properties could affect document layout or rendering, but changes are typically undoable.

From the tool's definition Tool name 'doc_set_canvas' indicates modification of document canvas properties. The 'set' prefix denotes a write operation that changes state. No description provided to confirm exact scope.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs doc_set_canvas safely

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

doc_set_canvas Rate-limited

doc_set_canvas stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "doc_set_canvas": {
      "limits": [
        {
          "counter": "doc_set_canvas_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about doc_set_canvas

What does the doc_set_canvas tool do? +

doc_set_canvas is a write tool on the Mcp Anything MCP server. It is categorised as a Write tool in the Mcp Anything MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on doc_set_canvas? +

Register the Mcp Anything MCP server in PolicyLayer and add a rule for doc_set_canvas: 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 Anything. Nothing to install.

What risk level is doc_set_canvas? +

doc_set_canvas is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit doc_set_canvas? +

Yes. Add a rate_limit block to the doc_set_canvas 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 doc_set_canvas completely? +

Set action: deny in the PolicyLayer policy for doc_set_canvas. 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 doc_set_canvas? +

doc_set_canvas is provided by the Mcp Anything MCP server (Zaymadkid/mcp-anything). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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