AI chatbots and RAG chatbots
A website chatbot that answers from your own documents.
AI apps · Chatbots · Automations

Brendan Mulhern
Claude AI developer & AI agent developer
Claude AI developer and AI agent developer who builds working AI apps, chatbots and automations, fast. I use Claude Code, Next.js, Supabase and Python to take you from idea to a live SaaS MVP.
Services
A website chatbot that answers from your own documents.
Workflow automation that connects your tools through API integration.
Built with careful prompt engineering.
Voice agents that answer and route your calls.
Next.js, TypeScript, Node.js, Supabase, auth and Stripe payment integration.
Chrome extensions for AI tools and productivity.
Portfolio
I built LinkBuilder AI (linkbuilderai.xyz), an AI-powered SaaS, as a 24-hour build challenge: Next.js, Supabase, OpenAI, sign-in, subscriptions and email, live in production.
AI SaaS web app
Earn backlinks from journalist requests.
LinkBuilder AI scores each journalist source request against your expertise and lets you pitch fast with your own human-written templates, then tracks the backlinks you earn. AI never writes the pitches, so users stay within journalist-request platform rules.
Demonstrates
AI request parsing and fit scoring with usage credits, Clerk auth and billing, Supabase, email sending, scheduling, approvals and backlink tracking.

Web + iOS + Android app
Simulated options trading environment for hands-on learning.
WealthStreet lets users practice buying and selling calls and puts, track a simulated portfolio and watchlist, and learn the greeks in a market environment that behaves like the real thing, no real capital at risk.
Demonstrates
Real-time market simulation, options pricing and greeks, portfolio tracking, cross-platform (web + iOS + Android) product design.

AI SaaS web app
AI side hustle search engine for founders and creators.
Stadium AI helps users discover realistic side hustle and startup ideas using AI. It generates validated ideas, startup steps, earning potential, and implementation guidance.
Demonstrates
AI search, SaaS UX, idea generation, subscription-ready product design.

AI mobile app
Personalized AI fitness and nutrition plans.
Fit AI builds personalized workout and nutrition plans based on a user's goals, experience, and equipment, then adapts the plan as they progress.
Demonstrates
Mobile AI app development, personalization, plan generation, subscription monetization.
SEO content too
I write my own blog at brendansblog.xyz, so I can also handle SEO blog writing and SEO content writing for your launch.
How I work
Book a call and tell me what you want built.