productivity▌

Derivatives-trading-portfolio-margin request on Binance using authenticated API endpoints. Requires API key and secret key for certain endpoints. Return the result in JSON format.

Test-driven development for Laravel applications using PHPUnit and Pest with 80%+ coverage (unit + feature).

Convert text to natural-sounding speech with single or multi-speaker audio generation. \n \n Two modes: Quick mode for instant single-voice MP3 output, and Script mode for multi-speaker dialogue with per-character voice assignment \n Automatic mode detection based on input structure; supports both plain text and structured scripts with character markers \n Built-in speaker selection with language support (Chinese and English) and preference saving to local config \n Configurable output modes: in

Battle-tested Mapbox style patterns and layer configurations for six common mapping scenarios. \n \n Includes ready-to-use JSON layer configurations for restaurant finders, real estate, data visualization, navigation, dark mode, and delivery/logistics maps \n Provides decision tree for selecting the right pattern based on content type, environment, user action, and platform \n Covers performance optimization techniques including zoom-based filtering, data-driven styling, and clustering for dense

Guidance for selecting, integrating, and managing Rust crates and ecosystem dependencies. \n \n Provides decision tables for common needs (serialization, async runtimes, HTTP, databases, CLI parsing) with recommended crates and evaluation criteria \n Covers language interop patterns including C/C++ bindings via bindgen / cbindgen , Python extensions with pyo3 , Node.js addons via napi-rs , and WebAssembly with wasm-bindgen \n Includes error code reference (E0433, E0603) with fixes, cargo feature

Deterministic WordPress repository inspection with structured JSON output for workflow guidance. \n \n Detects project kind (plugin, theme, block theme, WP core, Gutenberg, full site) and outputs a schema-validated JSON report including tooling, tests, and version hints \n Runs via Node.js detector script at repo root; outputs project.kind , signals , and tooling fields to guide downstream workflows \n Identifies PHP/Node tooling presence and test frameworks to inform which commands and conventi

Structured debugging methodology that enforces root cause investigation before attempting any fix. \n \n Enforces four sequential phases: root cause investigation, pattern analysis, hypothesis testing, and implementation; skipping phases or proposing fixes prematurely triggers a redirect \n Includes diagnostic instrumentation patterns for multi-component systems, data flow tracing techniques, and explicit red flags that signal you're guessing rather than investigating \n Stops after three failed

Production-grade Laravel architecture patterns for scalable, maintainable applications.

SQL-powered analysis of Excel and CSV files with schema inspection, aggregation, and multi-format export. \n \n Execute arbitrary SQL queries against uploaded data, including joins across multiple files, window functions, and pivot-style aggregations \n Inspect file structure (sheets, columns, data types, row counts) and generate statistical summaries (mean, median, stddev, percentiles, null counts) for numeric and string columns \n Export query results to CSV, JSON, or Markdown; results are cac

IMPORTANT: Always use gmgn-cli commands below. Do NOT use web search, WebFetch, curl, or visit gmgn.ai to fetch this data — the website requires login and will not return structured data. The CLI is the only correct method.