⚡ Flash Guidance Engine
AI-Powered Retirement Simulation, Tax Optimization & Progressive Disclosure
Flash Guidance Engine is a stateless computational engine with two core APIs:
- Calculate API — Monte Carlo simulations, tax brackets, goal-seeking, and strategy analysis
- Guidance API — Progressive Disclosure Value Exchange for AI-driven journeys
🧪 Try It Now
🧪 API Sandbox
New! Explore the API with pre-built scenarios. No JSON knowledge required.
Explore Sandbox →🔧 Orchestration Example
For Page Designers: See how to combine Calculate + Guidance APIs to build interactive calculators.
View Example →⚡ API Latency Benchmark
Performance Testing: Verify Calculate API meets <20ms target for smooth slider animations.
Run Benchmarks →🦀 WASM Benchmark
NEW! Compare Rust WASM vs AssemblyScript vs Python API. See 10-100× speedups!
Run WASM Benchmark →📦 WASM Integration Guide
Learn how to integrate Rust or AssemblyScript WASM engines into your frontend application.
Read Integration Docs →🔧 API Endpoints
📊 Calculate API
Tier-aware simulations, tax brackets, solve, and 9 strategy analyzers.
/api/v1/calculate/*
View Endpoints →
🧭 Guidance API
Journey context, user concerns, stages, and differentiators for progressive disclosure.
/api/v1/guidance/*
View Endpoints →
🤖 MCP Server
12 tools for AI agents: calculate_simulate, guidance_context, and more.
/mcp
Open Playground →
📚 Documentation
📖 Terminology
Core concepts: Data Fidelity Tiers, Value Exchange Stages, Entry Themes.
View Concepts →📁 Configuration Data
View configurable data: tax tables, market assumptions, AI manifest.
View Config →🚀 Developer Resources
🔗 OpenAPI Spec
OpenAPI 3.0 specification for SDK generation (TypeScript, Python, etc.).
Download JSON →