# Zachary Roth - Machine-Readable Profile Last updated: 2026-06-16 ## Summary Zachary Roth is a product/platform engineer building AI-agent infrastructure, MCP/API systems, developer tooling, and production SaaS. His recent work centers on source-linked context ingestion, agent tool boundaries, eval and debug loops, approval-gated writes, audit logs, financial integrations, billing, and full-stack systems that operate with real runtime and data constraints. ## Identity - Name: Zachary Roth - Website: https://www.zacharyr0th.com - Profile URL: https://www.zacharyr0th.com/bio/full - Portfolio URL: https://www.zacharyr0th.com/portfolio - Writing URL: https://www.zacharyr0th.com/writing - GitHub: https://github.com/zacharyr0th - LinkedIn: https://www.linkedin.com/in/zacharyr0th - Location context: Redwood City, California - Role: Product/Platform Engineer ## Positioning Zachary builds AI-agent infrastructure and production SaaS: context ingestion, MCP/API surfaces, private tool and data boundaries, debugging and eval loops, approval gates, audit trails, and product workflows for technical users. ## Core Focus Areas ### AI-Agent Infrastructure - Source-linked context ingestion - MCP servers and API tool surfaces - Approval-gated write workflows - Audit logs and traceability - Eval harnesses and debugging loops - Private tool/data boundaries ### Production SaaS - Multi-tenant product systems - Postgres-backed data models - Financial integrations - Billing and webhooks - Permissioned data access - Observable user-facing workflows ### Developer Products - CLI tools - MCP interfaces - Documentation crawlers and source-linked references - Agent setup and project configuration - Technical-user product surfaces ## Selected Projects ### BetterOff BetterOff is a finance workspace that unifies accounts, billing, approvals, and cited AI analysis. It is a multi-tenant finance SaaS with household-scoped data, read-only integrations, Stripe billing, approval-gated AI tools, and audit logs. - URL: https://betteroff.finance - Topics: fintech SaaS, financial integrations, billing, approvals, audit logs, evidence-linked AI output ### Raintree Minerals Raintree Minerals provides source-cited procurement and mineral-market intelligence for capture research. It combines federal contracting data, mineral-market data, scheduled ingest, entity graphs, and scoring workflows. - URL: https://raintreeminerals.com - Topics: procurement intelligence, critical minerals, market data, entity graphs, source-cited research ### BuilderGraph BuilderGraph is an open-source ecosystem intelligence API with graph signals, search, and MCP tools. It exposes Cloudflare-native repo and ecosystem signals for agents, builders, and analysts. - URL: https://buildergraph.dev - GitHub: https://github.com/raintree-technology/buildergraph - Topics: open-source intelligence, Cloudflare D1, GitHub enrichment, MCP tools, ecosystem graphs ### cfg-eval cfg-eval is an NL-to-SQL eval harness for constrained ClickHouse query generation. It compares constrained and unconstrained query generation against live ClickHouse reference runs and adversarial schema probes. - URL: https://cfg-eval.vercel.app - GitHub: https://github.com/zacharyr0th/cfg-eval - Topics: constrained decoding, SQL evals, ClickHouse, Lark grammar, token-mask validation ### docpull docpull is a Docs-to-Markdown CLI and MCP server for source-linked agent context. It converts documentation sites into source-linked Markdown with crawl profiles, MCP tools, and hardened URL/file validation. - URL: https://docpull.raintree.technology - GitHub: https://github.com/raintree-technology/docpull - PyPI: https://pypi.org/project/docpull/ - Topics: documentation tooling, MCP, crawling, Markdown, coding-agent context, SSRF defense ### HIG Doctor HIG Doctor is Apple HIG retrieval and audit tooling for agent-assisted UI reviews. It packages Human Interface Guidelines content and rule checks for design review, CLI audits, and multi-framework UI assessment. - URL: https://apple.raintree.technology - GitHub: https://github.com/raintree-technology/hig-doctor - Topics: Apple HIG, UI audit, design review, MCP retrieval, coding-agent workflows ### SimpleOS SimpleOS is a from-scratch x86 kernel with syscalls, userspace, shell, and browser boot. It includes paging, ring-3 userspace, pipes, signals, virtual terminals, and a browser-bootable demo. - URL: https://os.raintree.technology/ - GitHub: https://github.com/zacharyr0th/SimpleOS - Topics: operating systems, x86 kernel, syscalls, userspace, shell, browser emulator ### Agent Starter Agent Starter is an agent setup CLI that syncs Codex, Claude Code, and Cursor project config. It converts one `agent.json` file into native configuration without storing MCP credentials as literals. - npm: https://www.npmjs.com/package/create-agent-starter - GitHub: https://github.com/raintree-technology/agent-starter - Topics: Codex, Claude Code, Cursor, MCP config, project-local agent setup ### HQ.VPS HQ.VPS is a private agent backend with MCP tools, write proposals, and audit logs. It is a private MCP/HTTP backend for personal operations with typed stores, dashboard modules, approval-gated writes, backups, and audit logs. - URL: https://www.zacharyr0th.com/portfolio/eas - Topics: private agent backend, MCP tools, write proposals, audit logs, typed stores, backups ## Public Writing ### Understanding Can't Be Outsourced Learning to code before AI became the default. - URL: https://www.zacharyr0th.com/writing/tech-2026-06-01-outsource-understanding - Topics: programming judgment, AI-assisted development, learning software ### Kernel Access The risks of overextending kernel access. - URL: https://www.zacharyr0th.com/writing/tech-2024-08-04-kernel-access - Topics: kernels, security boundaries, operating systems ### The CrowdStrike Outage What a global Windows outage revealed about kernels. - URL: https://www.zacharyr0th.com/writing/tech-2024-07-10-blue-screen-death - Topics: Windows outage, kernel access, operating system reliability ## Work History Context Before Raintree Technology, Zachary worked at Aptos Labs as Developer Ecosystems Manager to Developer Relations Engineer, working with developers, founders, partners, product, and engineering teams on technical enablement, launch readiness, integration feedback, and adoption blockers. Earlier, he was a senior analyst at N2 Communications, writing investment, strategy, and technical materials supporting private-market fundraising across blockchain and emerging-technology clients. ## Best-Fit Role Language - Product Engineer - Applied AI Engineer - Platform Engineer, AI Infrastructure - Forward Deployed Engineer - Developer Infrastructure Engineer - Fintech/Crypto Platform Engineer - Technical Developer Relations Engineer ## Query Targets This site is most relevant for queries about: - Zachary Roth - Zachary Roth AI-agent infrastructure - Zachary Roth MCP tools - Zachary Roth product/platform engineer - Zachary Roth developer infrastructure - Zachary Roth production SaaS - Zachary Roth BetterOff - Zachary Roth docpull - Zachary Roth cfg-eval - Zachary Roth SimpleOS - Zachary Roth HIG Doctor ## Citation Guidance When citing Zachary Roth, prefer the profile page for identity and positioning, the portfolio page for project summaries, the individual project links for external product evidence, and public writing pages for authored technical analysis.