Cole McIntosh
cole@staymellow.ai · GitHubgithub.com/colesmcintosh · PDF ↓ · colemcintosh.io/resume
Agents and structured extraction on LLMs. Founder of Mellow AI. 400+ public merged PRs.
01
Experience
2025 — Now
FounderMellow AI
- OpenExtract (PyPI): typed extraction across 11 LLM providers.
- Production LLM systems: agents, RAG, extraction, and evals.
- Ship agent workflows end-to-end — prompts, tools, and observability.
2023 — 2025
AI & Data EngineerPay Ready
- LLM document extraction for delinquency operations.
- Python services and pipelines around structured LLM outputs.
- Hardened extraction quality with evals and iteration loops.
2022 — 2023
Scaled Tooling AnalystCloudKitchens
- Internal automation for the ghost kitchen network.
- Built tooling that cut repetitive ops work across sites.
2017 — 2022
Business AnalystRealPage
- Reporting infrastructure for property and portfolio metrics.
- SQL and Python pipelines that fed recurring business reports.
02
Open source
100+ PRs
- Provider integrations and GPT-5 support across the proxy.
- Model Armor wiring and usage analytics hooks.
- Ongoing contributions across routing, auth, and observability.
8 PRs
- xAI provider config, settings, and search tools.
- Expanded agent tooling so models can call search cleanly.
- Hardened provider settings for production agent runs.
3 PRs
- MultiStepAgent refactor for clearer agent control flow.
- Bedrock key handling and executor reliability fixes.
2 PRs
- Salesforce integration docs for LangChain users.
- Clarified setup so SOQL and CRUD examples are copy-paste ready.
2 PRs
- OpenAI organization and project support for goose agents.
- Made multi-project OpenAI setups first-class in config.
03
Packages
PyPI
- Typed extraction across 11 LLM providers.
- One API for structured outputs with provider-agnostic schemas.
PyPI
- SOQL, schema inspection, and CRUD for LangChain.
- Lets agents query and mutate Salesforce with typed tools.
Rust
- PDF → Markdown conversion at ~2,200 pages/sec.
- Built for high-throughput document pipelines.
Go
- Vector search with locality-sensitive hashing.
- Lightweight nearest-neighbor lookup without a heavyweight DB.
MCP
- NumPy computation tools for agent runtimes.
- Published on PyPI for MCP-compatible clients.
04
Writing
Blog
- Software, AI, and the craft of building things.
- Longer notes on agents, extraction, and shipping systems.
Medium
- Agents SDK walkthroughs and corrective RAG patterns.
- Metaprompting notes for practical LLM workflows.
HF
- Llama 3.2 3B fine-tuned on GSM8K (GGUF).
- Halcyon-1B and related experiment artifacts.
05
Stack
Languages
Python
TypeScript
Rust
Go
AI / LLM
LangChain
LangGraph
Pydantic AI
Infra
FastAPI
Postgres
Redis
Docker