# Macleod Labs > Live AI products by Steve Messina, AI chief architect and fractional CTO: agent tooling, medical AI, engineering solvers and growth tools. Hire him to build yours. Macleod Labs is the AI product studio of Steve Messina (AI Chief Architect & Fractional CTO). Each product runs on its own subdomain of macleodlabs.com. Case studies and the full portfolio are at https://macleodlabs.ai. ## Products - [TeamFlow](https://teamflow.macleodlabs.com/): The DevOps harness for agentic software delivery. Every agent workstream on one board. Stuck agents found and fixed, and code that never leaves your organisation. (Agent tooling; Live; case study: https://macleodlabs.ai/portfolio/teamflow/) - [Provely](https://provely.macleodlabs.com/): The defensive layer for AI agents. A separate verifier checks whether an agent's side-effecting action really happened, then issues a signed receipt. (Agent tooling; Live; case study: https://macleodlabs.ai/portfolio/provely/) - [Streams](https://streams.macleodlabs.com/): One Claude Code session, untangled. Sorts side questions, loops and subagents into colour-coded live streams. Streams Remote puts every session on your phone. (Agent tooling; Live; case study: https://macleodlabs.ai/portfolio/claudeflow/) - [Vault](https://macleodlabs.ai/portfolio/vault/): One vault for every Claude session. Keys load by name, never into the chat, from one master list in AWS Secrets Manager. Approve with Touch ID or a passkey. (Agent tooling; Runs on your Mac; case study: https://macleodlabs.ai/portfolio/vault/) - [Heart](https://heart.macleodlabs.com/): A causal 4D beating heart with a live 12-lead ECG. CT-derived four-chamber anatomy driven by a physiological activation model, rendered live in the browser. (Medicine; Prototype; case study: https://macleodlabs.ai/portfolio/heart/) - [Doc](https://doc.macleodlabs.com/): Probabilistic causal diagnosis. Exact noisy-OR inference over a causal knowledge graph that always asks the most informative next question. (Medicine; Prototype ยท access code; case study: https://macleodlabs.ai/portfolio/doc/) - [MechKit](https://mechkit.macleodlabs.com/): The $1 mechanical solve. Send a bounded component-and-claim model; get back a reproducible layout that passes its checks, or the exact constraints in conflict. (Engineering; Live; case study: https://macleodlabs.ai/portfolio/mechkit/) - [Grow](https://grow.macleodlabs.com/): Your product deserves users. Researches your product, rebuilds your site, writes and distributes content, studies competitors and measures real outcomes. (Growth; Beta; case study: https://macleodlabs.ai/portfolio/grow/) - [Scriptorium](https://script.macleodlabs.com/): A loop of agents that writes a book. Agents plan, write and illustrate whole books on a Vonnegut fortune curve, with a live chalkboard of the agents at work. The shelf holds novels, novellas and short stories. (Storytelling; Closed beta; case study: https://macleodlabs.ai/portfolio/scriptorium/; design doc: https://macleodlabs.com/scriptorium/design/) ## About - What is Macleod Labs? Macleod Labs is Steve Messina's AI product studio. Every product it ships runs on its own macleodlabs.com subdomain, and the full portfolio of case studies is on macleodlabs.ai. - Who builds these products? Steve Messina, an AI chief architect and CTO with 30+ years across global banking, cloud platforms and AI products. He built architecture functions at HSBC and Bank of America Merrill Lynch, and founded Azara.ai, an agentic AI workflow platform acquired in 2024. - Can I hire Steve to build an AI product? Yes. He works as a fractional CTO and AI architect, owning architecture, core code, evaluation and production hardening from idea to launch. Get in touch on macleodlabs.ai. ## Contact - [Hire Steve Messina](https://macleodlabs.ai/contact.html): fractional CTO and AI architecture engagements - [Resume](https://macleodlabs.ai/about.html) - [Full portfolio](https://macleodlabs.ai)