# mcp.policy.Selection

- **Module:** mcp.policy
- **Package:** tmux-mcp
- **Language:** Rust
- **Kind:** struct
- **Source:** https://github.com/libtmux/libtmux-rs/blob/f0e37052c232636b61d095817046e6bfc8f2ca40/crates/tmux-mcp/src/policy.rs#L112
- **Page:** https://libtmux.org/en/rs/latest/mcp/reference/mcp-policy-selection/

The startup-frozen request for one MCP tool surface.

## Members

- `parse` (method): Parse the three list settings before any tmux connection is opened.
- `parse_for_socket` (method): Parse a selection while applying the selected socket's provenance.
- `from_env` (method): Read and validate the process-wide selection before serving MCP.
- `toolsets` (method): The startup-frozen toolsets in deterministic order.