AI agents call tshark_reading_manual to retrieve information from Tshark without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool returns informational content (workflow instructions/documentation) about how to configure TLS/SSL decryption. It does not execute any commands, capture traffic, or modify data. It is purely a read/documentation retrieval operation, similar to a help or manual lookup function.
From the tool's definition 'Get detailed workflow instructions on how to set up TLS/SSL decryption' — retrieves documentation/instructions only
Attacks that exploit this kind of access
Get detailed workflow instructions on how to set up TLS/SSL decryption,. It is categorised as a Read tool in the Tshark MCP Server, which means it retrieves data without modifying state.
Register the Tshark MCP server in PolicyLayer and add a rule for tshark_reading_manual: 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 Tshark. Nothing to install.
tshark_reading_manual is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the tshark_reading_manual 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 tshark_reading_manual. 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.
tshark_reading_manual is provided by the Tshark MCP server (ouonet/tshark-mcp). 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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