# Joey Lopez > A pastebin of useful things — prompt templates, teaching materials, security research, workshop kits. ## Code - [I Taught Claude to Pay My Water Bill](https://jrlopez.dev/p/secrets-router.html): My card number ended up in the AI context window. So I built a credential isolation layer. - [Dev Second Brain](https://jrlopez.dev/p/bootcamp-skills.html#tab-dev): ReAct-driven code migrations, refactoring, debugging. - [TL Second Brain](https://jrlopez.dev/p/bootcamp-skills.html#tab-tl): ADRs, metaprompts, spike plans, .cursorrules. - [prompt-kit](https://github.com/josephrobertlopez/prompt-kit): The prompt templates I actually use. Clone and adapt. - [Aperiodic Guardrails Repo](https://github.com/josephrobertlopez/aperiodic-guardrails): Source code + 91 pattern analysis dataset. ## Methodology - [Agent-First Website Design](https://jrlopez.dev/p/agent-first-design.html): Your website has two audiences now. One of them doesn't have eyes. Standards, patterns, implementation. - [Make Skills (Capstone)](https://jrlopez.dev/p/bootcamp-skills.html#tab-make): Build your own skill from any repeated task. - [Lattice-Driven Development](https://jrlopez.dev/p/lattice-dev.html): Dependency-ordered dev. Build L1 before L2. - [Diagrams as Prompts](https://jrlopez.dev/p/mermaid-prompts.html): Mermaid diagrams as structured reasoning inputs. - [Prompts Are Programs](https://jrlopez.dev/p/prompt-cheatsheet.html): Composition cheat sheet. Load/Chain/Compose operators. ## Prompting - [AI Learning Hub](https://jrlopez.dev/p/ai-learning-hub.html): Guided path: why AI → tools → patterns → pick your track. - [PO/PM Second Brain](https://jrlopez.dev/p/bootcamp-skills.html#tab-po): User stories, backlogs, roadmaps, exec reports. - [DL Second Brain](https://jrlopez.dev/p/bootcamp-skills.html#tab-dl): Priorities, risk matrices, status reports, onboarding. - [Bootcamp Skills](https://jrlopez.dev/p/bootcamp-skills.html): 5 role-specific skills — Swagger-style with copy buttons. - [Session 2 — Advanced](https://jrlopez.dev/p/bootcamp-session2.html): ReAct, Tree of Thoughts, spec-kit, interview prep. - [Facilitator Guide](https://jrlopez.dev/p/bootcamp-facilitator.html): Minute-by-minute script for running the workshop. - [Session 1 — Patterns](https://jrlopez.dev/p/bootcamp-session1.html): Three Approaches, foundational patterns, priority builder. - [Bootcamp Prereq](https://jrlopez.dev/p/bootcamp-prereq.html): 15-minute self-study before the live session. - [Prompt Engineering Bootcamp](https://jrlopez.dev/p/prompt-engineering-bootcamp.html): 90-minute hands-on workshop — systematic AI workflows, role-specific tracks, capstone skill build. - [Prompt Patterns (Advanced)](https://jrlopez.dev/p/prompting-advanced.html): ReAct, Tree of Thoughts, self-consistency, constitutional AI. - [Prompt Patterns (Foundational)](https://jrlopez.dev/p/prompting.html): Zero-shot, few-shot, chain-of-thought, persona, template. ## Reference - [About](https://jrlopez.dev/p/about.html): CHSPE → community college → UC Irvine → data engineering → formal proofs via AI agents. - [Resume](https://jrlopez.dev/p/resume.html): Sr. Data Engineer — 5 years financial services. - [Quick Reference Cards](https://jrlopez.dev/p/bootcamp-reference.html): 6-card one-pager of all frameworks. ## Security - [Guardrails Deep Dive](https://jrlopez.dev/p/guardrails-deep-dive.html): Interactive walkthrough of the proof. - [Guardrails for Engineers](https://jrlopez.dev/p/guardrails-engineers.html): The paper for engineers — no PhD required. - [Your Regex Guardrails Are Provably Blind](https://github.com/josephrobertlopez/aperiodic-guardrails/blob/main/paper/main.pdf): Formal proof that regex safety filters have a fatal algebraic blind spot. ## Contact - Email: josephrobertlopez@gmail.com - GitHub: https://github.com/josephrobertlopez - LinkedIn: https://www.linkedin.com/in/joseph-lopez-80aa81166/ - Calendly: https://calendly.com/josephrobertlopez