░▓█∆λ∂π

I'm Li Yang. Some history:

GPT-3.5/4

Search, classifiers & RAG at GIC

2024

Graduated from NUS

Sonnet 3.5

Engineer #0 at brightriver.ai ; infra, agents, UI, ops, r&d

I like building tools that make my life (and the lives of people around me) easier. These days, that means agents.

KLSG

From Kuala Lumpur, based in Singapore

Get in touch

hewliyang@gmail.com hewliyang @hewliyang

Recent GitHub Contributions

Pull Requests

Remove hidden Bloomberg shadow sheets
open daaa1m/ib-bench
chore(cli): save screenshots to tmp dir when no path provided
merged vercel-labs/agent-browser
Add active path highlighting in html exports
merged badlogic/pi-mono
feat(litellm): capture tool calls in streaming responses
open Arize-ai/openinference
feat(litellm): extract cost from litellm responses
open Arize-ai/openinference
fix(unix): detect stale unix socket by attempting connection
merged vercel-labs/agent-browser
Add /resume slash command
closed badlogic/pi-mono
fix: add `traffic_access_token` to request headers
closed e2b-dev/code-interpreter
Fix reference to Python tool in README
merged openai/gpt-oss
ci(lint): black not running with check
closed BerriAI/litellm
fix(bedrock-converse): cache control not applied to messages with assistant or tool role
closed BerriAI/litellm
Add `model_request_stream_sync` to direct API
merged pydantic/pydantic-ai
fix(bedrock): wrong system prompt transformation
merged BerriAI/litellm
fix: claude haiku cache read pricing per token
merged BerriAI/litellm
chore: xlsx improvements
open microsoft/markitdown
fix: destructure oauth login url
merged OllieJT/create-sva
fix typo in integer vocab analogy
open jaymody/blogposts

Issues

Daemon crash causes orphaned processes and connection failures
closed vercel-labs/agent-browser
HTML share sidebar entry onclick behavior
closed badlogic/pi-mono
Misleading bulk file uploads documentation
closed e2b-dev/docs
.run_code breaks when Sandbox.allow_public_traffic is False
closed e2b-dev/code-interpreter
Egress whitelist
closed e2b-dev/E2B
Migrating from 0.1.89
closed sheetxl/sheetxl
Manual Caching (Anthropic)
closed posit-dev/chatlas
[Bug: Anthropic Bedrock Converse]: assistant & tool messages dropping cache points
closed BerriAI/litellm
sync method for direct api `model_request_stream`
closed pydantic/pydantic-ai
`escape_special_characters` is not exhaustive
open character-ai/prompt-poet
difference in caching behavior between `Anthropic` and `AnthropicBedrock`
open anthropics/anthropic-sdk-python
[Bug]: wrong price per token for haiku cache read
closed BerriAI/litellm
minimum area for images & vector graphics
closed pymupdf/pymupdf4llm
mermaid temp files in subfolders not cleaned up
open quarto-dev/quarto-cli
[suggestion] waze backend
open Thevesh/traffic-monitor