Render one of the 45 starter templates into a PDF. Returns the PDF as base64-encoded bytes in the tool result. Settled per call via x402 USDC on Base mainnet — $0.006 per render. Pass the signed payment authorization in the X-PAYMENT header on the outer POST /mcp HTTP request. If the header is mi...
Risk signalsAccepts raw HTML/template content (template)
Part of the Pdfzen server.
Free to start. No card required.
AI agents call render_template_to_pdf to retrieve information from Pdfzen without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though render_template_to_pdf only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"render_template_to_pdf": {}
}
}See the full Pdfzen policy for all 4 tools.
These attack patterns abuse exactly the kind of access render_template_to_pdf gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Render one of the 45 starter templates into a PDF. Returns the PDF as base64-encoded bytes in the tool result. Settled per call via x402 USDC on Base mainnet — $0.006 per render. Pass the signed payment authorization in the X-PAYMENT header on the outer POST /mcp HTTP request. If the header is missing, this tool returns a structured PaymentRequirement that x402-aware runtimes (Coinbase Agent Kit, x402-fetch) auto-sign and retry. Your user-supplied data is merged ON TOP of the template sampleData, so partial payloads inherit demo defaults — handy for incremental input (e.g. only the customer's name + total, ship the rest as the demo).. It is categorised as a Read tool in the Pdfzen MCP Server, which means it retrieves data without modifying state.
Register the Pdfzen MCP server in PolicyLayer and add a rule for render_template_to_pdf: 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 Pdfzen. Nothing to install.
render_template_to_pdf is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the render_template_to_pdf 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 render_template_to_pdf. 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.
render_template_to_pdf is provided by the Pdfzen MCP server (https://api.pdfzen.site/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 4 Pdfzen tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
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