create_instant_url

POST /v5/instant_urls. Current Bannerbear V5 operation; provider scopes, locks and credits apply. Mandatory confirmation before provider execution; one submission only.

SERVERBannerbear Mcp Cli SOURCE@thenavidm/bannerbear-mcp-cli

Medium RISK CLASS

Category Write

Parameters 51 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/thenavidm-bannerbear-mcp-cli/create-instant-url.md

WHAT IT DOES

What create_instant_url does on Bannerbear Mcp Cli

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

Parameter	Type	Required	Description
`account`	string	—	Exact private workspace profile label; no fallback to another profile key.
`confirm`	boolean	—	Set true only when the user asked for exactly this action.
`payload`	object	—	Complete current native JSON body. Use payload or payload_file exclusively.
`payload_file`	string	—	Regular non-symlink local JSON file, at most 1 MiB.
`secret_result_file`	string	Yes	New absolute JSON file in an existing private directory; exclusive 0600 creation before the API request. No overwrite; signing key never appears in output.

Parameters from the server's own tool schema.

RISK

Why create_instant_url is rated Medium

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

Risk signalsAccepts raw HTML/template content (payload) · High parameter count (15 properties)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_instant_url safely

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

create_instant_url Rate-limited

create_instant_url 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": {
    "create_instant_url": {
      "limits": [
        {
          "counter": "create_instant_url_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 Bannerbear Mcp Cli, apply this rule, and every create_instant_url call is checked against it from then on.

FAQ

Questions about create_instant_url

What does the create_instant_url tool do? +

POST /v5/instant_urls. Current Bannerbear V5 operation; provider scopes, locks and credits apply. Mandatory confirmation before provider execution; one submission only. It is categorised as a Write tool in the Bannerbear Mcp Cli MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does create_instant_url accept? +

create_instant_url accepts 5 parameters: account, confirm, payload, payload_file, secret_result_file. Required: secret_result_file. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on create_instant_url? +

Register the Bannerbear Mcp Cli MCP server in PolicyLayer and add a rule for create_instant_url: 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 Bannerbear Mcp Cli. Nothing to install.

What risk level is create_instant_url? +

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

Can I rate-limit create_instant_url? +

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

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

create_instant_url is provided by the Bannerbear Mcp Cli MCP server (@thenavidm/bannerbear-mcp-cli). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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