upload_contract_pdf
Upload a PDF and create a draft Sanka Contract from it.
This record as markdown: /tools/sankahq-sanka-mcp/upload-contract-pdf.md
What upload_contract_pdf does on Sanka MCP Server
AI agents use upload_contract_pdf to create or update resources in Sanka MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Sanka MCP Server environment.
Why upload_contract_pdf is rated Medium
This tool creates a new contract record in the system, which is a reversible write operation. It does not execute code, delete data, or move money. While contracts have business significance, the creation of a draft (not finalization) and the reversibility of draft deletion keeps this in the Write category rather than higher severity.
From the tool's definition Tool description states 'Upload a PDF and create a draft Sanka Contract from it' — the action creates new data (a draft contract) in the system.
Attacks that exploit this kind of access
The rule that runs upload_contract_pdf safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Sanka MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For upload_contract_pdf, this is the rule to start with:
upload_contract_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.
The button opens the PolicyLayer dashboard: create your workspace, connect Sanka MCP Server, apply this rule, and every upload_contract_pdf call is checked against it from then on.
Questions about upload_contract_pdf
Upload a PDF and create a draft Sanka Contract from it. It is categorised as a Write tool in the Sanka MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Sanka MCP Server MCP server in PolicyLayer and add a rule for upload_contract_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 Sanka MCP Server. Nothing to install.
upload_contract_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 upload_contract_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 upload_contract_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.
upload_contract_pdf is provided by the Sanka MCP Server MCP server (sankahq/sanka-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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