canvas_attach_media_run

把当前普通 Agent 已成功的独立媒体运行显式登记为既有音频或视频节点候选；不会执行、取消或自动采用该运行。

SERVERDutyDeck SOURCEtaokoplay/DutyDeck

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/dutydeck/canvas-attach-media-run.md

WHAT IT DOES

What canvas_attach_media_run does on DutyDeck

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

RISK

Why canvas_attach_media_run is rated Medium

An AI agent can call canvas_attach_media_run faster than any human can review: one bad instruction and it creates or modifies resources in DutyDeck by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs canvas_attach_media_run safely

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

canvas_attach_media_run Rate-limited

canvas_attach_media_run 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": {
    "canvas_attach_media_run": {
      "limits": [
        {
          "counter": "canvas_attach_media_run_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 DutyDeck, apply this rule, and every canvas_attach_media_run call is checked against it from then on.

FAQ

Questions about canvas_attach_media_run

What does the canvas_attach_media_run tool do? +

把当前普通 Agent 已成功的独立媒体运行显式登记为既有音频或视频节点候选；不会执行、取消或自动采用该运行。. It is categorised as a Write tool in the DutyDeck MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on canvas_attach_media_run? +

Register the DutyDeck MCP server in PolicyLayer and add a rule for canvas_attach_media_run: 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 DutyDeck. Nothing to install.

What risk level is canvas_attach_media_run? +

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

Can I rate-limit canvas_attach_media_run? +

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

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

canvas_attach_media_run is provided by the DutyDeck MCP server (taokoplay/DutyDeck). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on DutyDeck, and thousands of servers like it.

This server

All 247 DutyDeck tools →

Across the catalogue

The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →