AI agents use email_to_pdf to create or update resources in PDF Co MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your PDF Co MCP Server environment.
Converting email to PDF creates a new document/file, which is a reversible Write operation. The tool does not delete, execute arbitrary code, or move money. Severity is medium because PDF generation could be abused to create large files, exfiltrate email content, or spam-generate documents, but the operation is reversible and localized.
From the tool's definition Tool name 'email_to_pdf' indicates conversion of email content to PDF format. Server description states it 'perform[s] various PDF processing tasks like conversion, editing, searching, and security operations.' Sibling tools (csv_to_pdf, document_to_pdf,…
Documented attack patterns abuse exactly the kind of access email_to_pdf gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and PDF Co MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for email_to_pdf:
{
"version": "1",
"default": "deny",
"tools": {
"email_to_pdf": {
"limits": [
{
"counter": "email_to_pdf_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}email_to_pdf 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.
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email_to_pdf. It is categorised as a Write tool in the PDF Co MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the PDF Co MCP Server MCP server in PolicyLayer and add a rule for email_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 PDF Co MCP Server. Nothing to install.
email_to_pdf 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 email_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 email_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.
email_to_pdf is provided by the PDF Co MCP Server MCP server (pdfdotco/pdfco-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from PDF Co MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
38 PDF Co MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.