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rioyu123/README.md

Hey, I'm Rio 👋

Building for an agent-first world.

With a decade of hands-on engineering across global enterprise platforms and AI infrastructure, I focus on building AI agents and the systems that make them actually work.


What I'm Focused On

  • AI Agents: Making intelligent systems reliable, autonomous, and useful in practice.
  • Developer Infrastructure: Building solid foundations, runtimes, and developer tooling for AI.
  • Open Source: Contributing back to the frameworks and libraries powering this ecosystem.
  • Fintech & Value Rails: Exploring the underlying infrastructure that moves and settles value.

Selected Open-Source Work

15 merged pull requests. Project stars and PR statuses updated on September 8, 2026; sorted by project stars, highest first.

Merged

No. Project ⭐ Stars PR Technical Contribution & Impact
1 OpenAI Agents SDK 29,261 #4909 Made the encrypted-session quick start work with its documented installation, with explicit session cleanup and PostgreSQL dependencies.
2 OpenAI Agents SDK 29,261 #4822 Prevented phantom turn-0 usage records on empty session branches, keeping usage totals aligned with actual conversation turns.
3 OpenAI Agents SDK 29,261 #4743 Clarified async database driver and authentication dependencies for SQLAlchemy sessions, helping users avoid missing-driver setup failures.
4 OpenAI Agents SDK 29,261 #4739 Preserved Pydantic Field constraints on *args and **kwargs, so declared numeric and string bounds are enforced in the generated JSON schema and at runtime.
5 Microsoft Agent Lightning 18,023 #583 Added a clear native-Windows boundary for the local runner by failing fast before worker startup, keeping package imports and controller modes clean.
6 Microsoft Agent Lightning 18,023 #573 Prevented request drops when model providers return missing or malformed token IDs, preserving retry deduplication and VERL image alignment.
7 Burn 15,885 #5494 Ensured extensionless Burnpack paths survive atomic saves, overwrite protection, and store round-trips without silently falling back to .bpk files.
8 Anthropic Buffa 879 #414 Added fallible generated-to-dynamic message conversion with structured errors, making missing types and decode failures easier to handle without breaking existing APIs.
9 Google MCP Security 522 #287 Enabled end-to-end SecOps workflows by exposing alert IDs and triage verdicts without altering the existing response shape.
10 NVIDIA SkillEvaluator 416 #109 Expanded link validation across CommonMark references, HTML anchors, and images while filtering out comment/code false positives.
11 NVIDIA SkillEvaluator 416 #106 Made Gitleaks checks deterministic and fail-safe on shallow histories while keeping repo-wide scheduled audits intact.
12 NVIDIA SkillEvaluator 416 #84 Fixed false agent-runtime failures caused by health checks matching raw transcript text, improving diagnostic accuracy.
13 NVIDIA SkillEvaluator 416 #107 Fixed a dependency blind spot where PEP 508 markers could hide unpinned packages, without changing direct-reference behavior.
14 Microsoft RAMPART 405 #179 Prevented reports with duplicate timestamps from overwriting one another through exclusive file creation and collision-safe filenames.
15 Technocore 149 #135 Fixed a side-effect issue where HEAD requests could append messages or burn nonces, keeping read-only routes strictly read-only.

Tech & Craft

Python Go Rust TypeScript

Tools change, but the interesting part is always making different, moving pieces fit together seamlessly.

Browse all of my pull requests.

Pinned Loading

  1. claude-agent-sdk-python claude-agent-sdk-python Public

    Forked from anthropics/claude-agent-sdk-python

    Python

  2. openai-agents-python openai-agents-python Public

    Forked from openai/openai-agents-python

    A lightweight, powerful framework for multi-agent workflows

    Python

  3. SkillEvaluator SkillEvaluator Public

    Forked from NVIDIA/SkillEvaluator

    Multi-tier framework for evaluating AI agent skills with quality gates, semantic overlap detection, synthetic evaluation dataset generation, and live agent evaluation that measures how skills affec…

    Python

  4. burn burn Public

    Forked from tracel-ai/burn

    Burn is a next generation tensor library and Deep Learning Framework that doesn't compromise on flexibility, efficiency and portability.

    Rust

  5. Huabu Huabu Public

    Forked from microsoft/Huabu

    Huabu, where you and your agents think together.

    TypeScript

  6. RAMPART RAMPART Public

    Forked from microsoft/RAMPART

    A pytest-native safety and security testing framework for agentic AI applications

    Python