IDCheck: upload a captured image to a running verification process. Use the appropriate document_side (FRONT, BACK, SELFIE) to match the process template. The image is consumed by Unico
AI agents use upload_process_document to create or update resources in Mcp Ap2 — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Ap2 environment.
This tool creates or modifies verification state by uploading identity documents (captured images) to a running IDCheck process. While not destructive (changes are reversible), it is clearly a Write operation that establishes or advances an identity verification workflow.
From the tool's definition 'upload a captured image to a running verification process' — creates/modifies verification records by consuming document images. The tool writes identity verification data into an active process.
Documented attack patterns abuse exactly the kind of access upload_process_document gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for upload_process_document:
{
"version": "1",
"default": "deny",
"tools": {
"upload_process_document": {
"limits": [
{
"counter": "upload_process_document_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}upload_process_document 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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IDCheck: upload a captured image to a running verification process. Use the appropriate document_side (FRONT, BACK, SELFIE) to match the process template. The image is consumed by Unico. It is categorised as a Write tool in the Mcp Ap2 MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for upload_process_document: 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 Mcp Ap2. Nothing to install.
upload_process_document 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 upload_process_document 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 upload_process_document. 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.
upload_process_document is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Mcp Ap2, 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.
1300 Mcp Ap2 tools catalogued and risk-classified — across an index of 43,000+ MCP servers.