Lead Engineer of the Agents team — Hypha's intelligence foundation. Created the agent platform: a harness-agnostic framework with pluggable intelligence, compute, and storage providers; its eval harness (pass@k, cache-hit-rate, trace-shape fidelity); and the external MCP server.

Serhii Shchoholiev
I'm the Lead Engineer of the Agents team at Hypha — the platform's intelligence foundation. I define how Hypha builds agents: harness, infrastructure, evals, and applied AI research.
Research all →
- At Hypha, I'm actively researching agent tool design — how the shape of a tool changes what an agent can do reliably.
- LongListBench: A Benchmark for Long-List Entity Extraction from Complex Business PDFs
- AI-Facilitated Software Project Generation from Natural Language Using Curated Code Snippets
Writing all →
- How to build efficient Agent Tools
Many engineers think of Agent Tools as functions, but they aren't. They are closer to user actions. Backed by a leave-one-out ablation study: 300+ runs across the Codex SDK and the Claude Agent SDK.
More posts on agent infrastructure, evals, and reliability are coming — most will run on the Hypha engineering blog. I post shorter notes on LinkedIn and X.
Career
- Hypha — Member of Technical Staff2026 –
- Kay.ai — Founding Engineer2025 – 2026
Built autonomous browser agents for insurance operations.
Related writing & research
- LongListBench — benchmark for long-list entity extraction from complex business PDFs; dataset and paper released under doi.org/10.57967/hf/9768. A paper on agentic browser automation is in progress.
- Claritev — Senior Software Engineer, Lead2022 – 2025
Led a 10-person team automating healthcare workflows; President's Award, 2024.