crypto_extract_standalone
Extract crypto/sign/encrypt function from current page and generate standalone runnable code.
This record as markdown: /tools/io-github-vmoranv-jshookmcp/crypto-extract-standalone.md
What crypto_extract_standalone does on Jshookmcp
AI agents invoke crypto_extract_standalone 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 crypto_extract_standalone is rated High
Extracts cryptographic functions and generates executable code, enabling potential key/secret extraction.
From the tool's definition Extract crypto/sign/encrypt function... generate standalone runnable code
Attacks that exploit this kind of access
The rule that runs crypto_extract_standalone 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 crypto_extract_standalone, this is the rule to start with:
crypto_extract_standalone 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 crypto_extract_standalone call is checked against it from then on.
Questions about crypto_extract_standalone
Extract crypto/sign/encrypt function from current page and generate standalone runnable code. 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 crypto_extract_standalone: 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.
crypto_extract_standalone 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 crypto_extract_standalone 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 crypto_extract_standalone. 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.
crypto_extract_standalone 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.
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