This record as markdown: /tools/1595901624-crypto-mcp/des-encrypt.md
What des_encrypt does on Crypto_MCP
AI agents invoke des_encrypt to trigger actions in Crypto_MCP. 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 des_encrypt is rated High
DES encryption is an external cryptographic operation that transforms plaintext into ciphertext. It doesn't simply read or write stored data, but executes a cryptographic transformation. While not destructive or financial, misuse could enable obfuscation of data for exfiltration.
From the tool's definition 'encrypt text with des' — performs a cryptographic operation (DES encryption) that transforms data and may be used to obfuscate information for exfiltration or other purposes
Attacks that exploit this kind of access
The rule that runs des_encrypt safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Crypto_MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For des_encrypt, this is the rule to start with:
des_encrypt 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 Crypto_MCP, apply this rule, and every des_encrypt call is checked against it from then on.
Questions about des_encrypt
encrypt text with des. It is categorised as a Execute tool in the Crypto_MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Crypto_ MCP server in PolicyLayer and add a rule for des_encrypt: 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 Crypto_MCP. Nothing to install.
des_encrypt 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 des_encrypt 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 des_encrypt. 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.
des_encrypt is provided by the Crypto_ MCP server (1595901624/crypto-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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