Execute code in sandboxed environment. Supports Python, Bash, Node.js. Now with heredoc support for bash scripts (<<EOF, <<'EOF', <<EOT). Achieves 98%+ token savings by processing in execution environment.

Process CSV files efficiently with filters, groupby aggregation, and pagination. Use offset for large files (>10K rows) to achieve 99% token savings.

Process log files efficiently with pattern matching and pagination. Use offset to skip previous matches.

List available token-efficient tools with progressive disclosure (names_only, summary, full)

Get detailed token savings report and optimization best practices

Search available tools by keyword with optional category filter. Achieves 95% token savings vs loading all tool definitions.

Process multiple CSV files in a single call with consistent filtering. Achieves 80% token savings for multiple files vs individual calls.