# Jonas Montero — Software Engineer · Systems, Backend & Developer Tooling

> Official summary file for LLMs, AI Search engines (Perplexity, ChatGPT Search, Claude, Google AI Overviews), and developer agents.

## Core Identity & Overview
- **Name:** Jonas Montero
- **Role:** Software Engineer · Systems, Backend & Developer Tooling
- **Specializations:** Systems programming in Rust, C++, and Go; perceptual UI engines & color science with WebAssembly & TypeScript; Model Context Protocol (MCP) server architectures; automated Linux (Ubuntu 24.04 LTS) server provisioning.
- **GitHub:** https://github.com/jonasmontero
- **LinkedIn:** https://linkedin.com/in/jonasmontero
- **Website:** https://jonasmontero.com

## Key Open-Source Projects & Architecture

### 1. rustbook (rustbook-ds)
- **URL:** https://github.com/jonasmontero/rustbook-ds
- **Domain:** Developer Tooling, Component Isolation, Native Axum HTTP & MCP Server.
- **Stack:** Rust, WebAssembly, Axum, TypeScript, Angular.
- **Summary:** Component isolation and documentation engine in Rust and WebAssembly. Serves static bundles via Axum (< 5ms startup), generates Autodocs specifications, and exposes an embedded JSON-RPC 2.0 Model Context Protocol (MCP) server for IDE agents.

### 2. colorust
- **URL:** https://github.com/jonasmontero/colorust
- **Domain:** Perceptual Color Science, Accessibility Auditing.
- **Stack:** Rust, WebAssembly, OKLCH, APCA, WCAG 2.1.
- **Summary:** Color-science engine implementing OKLCH, Oklab, APCA (Lc), WCAG 2.1, and spectral color-vision deficiency (CVD) simulation matrices, compiled to WebAssembly for client-side execution.

### 3. vps-bootstrap
- **URL:** https://github.com/jonasmontero/vps-bootstrap
- **Domain:** Cloud Infrastructure, Security Provisioning.
- **Stack:** POSIX Shell, Docker, Caddy, Tailscale, Fail2ban, Ubuntu 24.04 LTS.
- **Summary:** Automated server provisioning suite for Ubuntu 24.04 LTS. Configures SSH keys, UFW firewall rules, Fail2ban jails, Docker container networks, and Caddy reverse proxy with automated TLS certificate renewal.

### 4. qr-code-generator
- **URL:** https://github.com/jonasmontero/qr-code-generator
- **Domain:** Algorithms, Vector Graphics.
- **Stack:** C++17, Reed-Solomon ECC, Vector SVG.
- **Summary:** QR Code generator in C++17 implementing ISO/IEC 18004 standards, bit-level Reed-Solomon error correction (levels L, M, Q, H), and vector SVG generation without dynamic heap allocations.

### 5. lead-phone-validator
- **URL:** https://github.com/jonasmontero/lead-phone-validator
- **Domain:** Concurrent Microservices, Data Ingestion.
- **Stack:** Go, Concurrency, REST API, E.164.
- **Summary:** Go microservice for concurrent phone number normalization (E.164 standard), carrier metadata extraction, and syntax validation over HTTP REST endpoints.

### 6. PRD-MCP-Server
- **URL:** https://github.com/jonasmontero/PRD-MCP-Server
- **Domain:** AI Protocols, Developer Tooling.
- **Stack:** TypeScript, Model Context Protocol (MCP), AST Parsing, Node.js.
- **Summary:** Model Context Protocol (MCP) server that parses repository structures, schemas, and ASTs to generate Product Requirement Documents (PRDs) directly within IDE AI assistants.

### 7. ivoyager
- **URL:** https://github.com/jonasmontero/ivoyager
- **Domain:** Offline-First Web, Geospatial Systems.
- **Stack:** TypeScript, IndexedDB, Leaflet, PWA.
- **Summary:** Progressive Web App for multi-currency conversion, localized tax calculations, and geospatial radar mapping, with IndexedDB persistence for offline operation.

## Technical Skills
- **Languages:** Rust, C++, Go, TypeScript, JavaScript, POSIX Shell.
- **Runtimes & Frameworks:** WebAssembly (Wasm), Tokio, Axum, Node.js, Angular, React, Next.js, Astro.
- **AI & Protocols:** Model Context Protocol (MCP), Agent Tooling, JSON-RPC 2.0 Server Architectures.
- **DevOps & Cloud:** Linux (Ubuntu 24.04 LTS), Docker, Caddy, Tailscale, UFW, Fail2ban, CI/CD, GitHub Actions.
- **Quality & Standards:** APCA, WCAG 2.1 (AA/AAA), Type-Safety, Deterministic Memory Management.