Create a managed upload slot for an input file or script. Upload bytes to upload_url with HTTP PUT, complete the upload through complete_url, then pass input_id to submit_job.
AI agents use upload_job_input to create or update resources in Jungle Grid — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Jungle Grid environment.
This tool creates and modifies data (uploading input files/scripts to a managed system) but does not irreversibly delete data or execute code directly. The severity is medium because uploaded inputs will be executed by submit_job on GPU infrastructure, creating potential for misuse if malicious scripts are uploaded, but the upload tool itself is limited to Write operations.
From the tool's definition Tool creates a managed upload slot and accepts uploaded bytes via HTTP PUT, enabling users to store input files/scripts that will be passed to submit_job for GPU workload execution.
Attacks that exploit this kind of access
Create a managed upload slot for an input file or script. Upload bytes to upload_url with HTTP PUT, complete the upload through complete_url, then pass input_id to submit_job. It is categorised as a Write tool in the Jungle Grid MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Jungle Grid MCP server in PolicyLayer and add a rule for upload_job_input: 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 Jungle Grid. Nothing to install.
upload_job_input 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_job_input 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_job_input. 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_job_input is provided by the Jungle Grid MCP server (jungle-grid/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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