MCP cdp_eval

Description

Evaluate a JavaScript expression in the global scope of the debugged Roku app via CDP Runtime.evaluate.

Delegates internally to debug_eval with runtime: "typescript" forced. The response gained a wrapping level after aliasing: the top-level result field is now the raw CDP Runtime.evaluate response, so callers read result.result.value (previously value sat directly at result.value).

Keeps working even after a cdpdebugger* tool (pause/resume/step/breakpoint/etc.) has enabled the Debugger domain on this connection: a device-internal pause this can trigger is detected and auto-resumed transparently, so this call still returns normally either way.

Required parameters:

• expression (string): JavaScript expression to evaluate.

Optional parameters:

• sessionId (string): Session id returned by cdp_session_create. Uses the active session when omitted.

Aliases

Alias of debug_eval; runtime="typescript".

See also

• Alias of MCP debug_eval
• HTTP debugEval (POST /api/debug/eval)
• rk cdp eval

Parameters

additionalProperties: false

expression

JavaScript expression to evaluate in the global scope

sessionId

Session id returned by cdp_session_create. Uses the active session when omitted.