AI agents call tmux_read_cc_pane to retrieve information from Tmux without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The 'read' prefix and absence of mutation verbs (create, delete, execute, kill) suggest this retrieves pane state without side effects. However, confidence is moderate (0.6) due to the uninformative empty description and ambiguous 'cc' abbreviation.
From the tool's definition Tool name starts with 'tmux_read_' indicating a read operation; description is empty, limiting certainty. Context suggests it likely reads pane content or configuration (cc possibly means 'capture content' or similar).
Attacks that exploit this kind of access
tmux_read_cc_pane. It is categorised as a Read tool in the Tmux MCP Server, which means it retrieves data without modifying state.
Register the Tmux MCP server in PolicyLayer and add a rule for tmux_read_cc_pane: 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 Tmux. Nothing to install.
tmux_read_cc_pane 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 tmux_read_cc_pane 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 tmux_read_cc_pane. 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.
tmux_read_cc_pane is provided by the Tmux MCP server (wenlixiao-cs/tmux-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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