"CBC" matching MCP servers:

Enables Claude Code to run JavaScript scripts that call its existing tools as async functions, fanning out calls, filtering nested outputs, and returning only concise results while preserving permission checks and limited session state.

Provides arbitrary precision arithmetic operations and advanced mathematical computations through the Unix bc calculator, supporting complex expressions, mathematical functions, and multi-line scripts with configurable precision.

Enables asynchronous and parallel execution of Claude Code tasks across multiple sessions, allowing users to start background tasks and continue working immediately without blocking.