This record as markdown: /tools/io-github-vmoranv-jshookmcp/exploit-find-jmp-esp.md
What exploit_find_jmp_esp does on Jshookmcp
AI agents invoke exploit_find_jmp_esp to trigger actions in Jshookmcp. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why exploit_find_jmp_esp is rated High
Finding JMP ESP gadgets is used to redirect code execution during exploitation of memory corruption vulnerabilities. While the description is truncated ('Find'), the tool name and sibling context make clear this searches memory for exploitation gadgets. This enables code execution exploits, placing it in the Execute category with critical severity due to its role in active exploit development.
From the tool's definition Tool name 'exploit_find_jmp_esp' - finding JMP ESP gadgets is a core step in exploit development (return-oriented programming / stack pivoting).
Attacks that exploit this kind of access
The rule that runs exploit_find_jmp_esp safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Jshookmcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For exploit_find_jmp_esp, this is the rule to start with:
exploit_find_jmp_esp stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Jshookmcp, apply this rule, and every exploit_find_jmp_esp call is checked against it from then on.
Questions about exploit_find_jmp_esp
Find. It is categorised as a Execute tool in the Jshookmcp MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Jshook MCP server in PolicyLayer and add a rule for exploit_find_jmp_esp: 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 Jshookmcp. Nothing to install.
exploit_find_jmp_esp is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the exploit_find_jmp_esp 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 exploit_find_jmp_esp. 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.
exploit_find_jmp_esp is provided by the Jshook MCP server (@jshookmcp/jshook). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Jshook, and thousands of servers like it.
Across the catalogue