Convert an uploaded document payload with TweekIT. The file must already be base64 encoded (see blob). The conversion can be resized and cropped by providing optional geometry parameters. For raster outputs, set alpha/bgColor to control transparency handling. Args: inext: Source file extension su...
Risk signalsHandles credentials or secrets (apiKey) · High parameter count (15 properties)
Part of the TweekIT MCP Server server.
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AI agents use convert to create or modify resources in TweekIT MCP Server. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call convert repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach TweekIT MCP Server.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"convert": {
"limits": [
{
"counter": "convert_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full TweekIT MCP Server policy for all 5 tools.
These attack patterns abuse exactly the kind of access convert gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Convert an uploaded document payload with TweekIT. The file must already be base64 encoded (see blob). The conversion can be resized and cropped by providing optional geometry parameters. For raster outputs, set alpha/bgColor to control transparency handling. Args: inext: Source file extension such as pdf, docx, or png. outfmt: Desired output format (Fmt in the API body). blob: Base64 encoded document payload (DocData). apiKey: TweekIT API key (ApiKey header). Falls back to TWEEKIT_API_KEY env var. apiSecret: TweekIT API secret (ApiSecret header). Falls back to TWEEKIT_API_SECRET env var. noRasterize: Forwarded to TweekIT to skip rasterization when possible. width: Optional pixel width to request in the output. height: Optional pixel height to request in the output. x1: Left crop coordinate in source pixels. y1: Top crop coordinate in source pixels. x2: Right crop coordinate in source pixels. y2: Bottom crop coordinate in source pixels. page: Page number to extract for multipage inputs. alpha: Whether the output should preserve alpha transparency. bgColor: Background color to composite behind transparent pixels. Returns: A FastMCP Image or File payload, or an error description.. It is categorised as a Write tool in the TweekIT MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the TweekIT MCP Server MCP server in PolicyLayer and add a rule for convert: 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 TweekIT MCP Server. Nothing to install.
convert is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the convert 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.
Set action: deny in the PolicyLayer policy for convert. 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.
convert is provided by the TweekIT MCP Server MCP server (https://mcp.tweekit.io/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 5 TweekIT MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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