em_apply_to_task
A write tool on the Execution Market MCP server.
This record as markdown: /tools/market-execution-execution-market/em-apply-to-task.md
What em_apply_to_task does on Execution Market
AI agents use em_apply_to_task to create or update resources in Execution Market, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Execution Market environment.
Why em_apply_to_task is rated Medium
Applying to a task creates or modifies application records in the marketplace, reversible through cancellation. This is a Write-category operation. Severity is high because the server handles financial commitments (gasless USDC payments via x402), so task applications could create binding obligations or lock funds in escrow.
From the tool's definition Tool name 'em_apply_to_task' and server context indicating task submission/application workflows. The sibling tools (em_accept_agent_task, em_approve_submission, em_assign_task) confirm this server manages task lifecycle state changes.
Attacks that exploit this kind of access
The rule that runs em_apply_to_task safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Execution Market, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For em_apply_to_task, this is the rule to start with:
em_apply_to_task 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 Execution Market, apply this rule, and every em_apply_to_task call is checked against it from then on.
Questions about em_apply_to_task
em_apply_to_task is a write tool on the Execution Market MCP server. It is categorised as a Write tool in the Execution Market MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Execution Market MCP server in PolicyLayer and add a rule for em_apply_to_task: 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 Execution Market. Nothing to install.
em_apply_to_task 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 em_apply_to_task 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 em_apply_to_task. 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.
em_apply_to_task is provided by the Execution Market MCP server (https://mcp.execution.market/mcp/). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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