I love coding and designing elegant systems that turn ideas into useful software.🐱

• 🤖 Now: building AI agents and agent infrastructure
• 🎓 Education: IoT @ HHU ｜ Applying for an MS in CS @ HKU / CUHK / HKUST
• 🧑‍💻 Internship: @GIAN
• 🌐 Links: visit my blog here or reach me on

• wutong-yu-blog - A minimalistic Antfu-style Astro blog theme
• RepoMirror - A minimal macOS desktop app for mirroring GitHub repositories or repository subdirectories into a local folder tree

• XingClaw - Building a Complete AI Programming Assistant System from Scratch with Python
• skills - My personal collection of AI Agent Skills, covering development, design, and research
• Trajex - Past Claude Code, Codex, and Pi sessions — queryable by your agent, browsable by you
• Replica - Memory Layer for AI, built with FastAPI, React, PostgreSQL, and pgvector
• PageIndexRag-Web - A RAG Web application based on PageIndex
• MODULAR-RAG-MCP - A pluggable and observable modular RAG MCP framework

• pi-deep-dive - In-depth analysis and source-code exploration of pi-coding-agent
• pi-extensions - My personal collection of pi-extensions
• pi-repomap - A Tree-sitter-powered codebase structure awareness extension for Pi
• pi-dynamic-workflows - A Claude Code-like Dynamic Workflows extension for Pi
• pi-tool-offloading - A context offloading extension for Pi, moving oversized tool results into session sidecar files for on-demand retrieval
• pi-zen-mode - Distraction-free focus mode for Pi — nothing while it runs, only the final answer when it's done

• memU - A lightweight agent-driven memory system that provides a shared LLM wiki across sessions, agents, and devices
• OpenViking - An open-source context database that unifies agent memory, knowledge, and skills through a virtual filesystem
• pi - An AI agent toolkit with a unified LLM API, agent runtime, TUI, and coding-agent CLI
• deer-flow - An open-source SuperAgent harness for long-horizon research, coding, and content creation
• maka - An Apache-incubating high-performance agent workspace with a shared runtime for Desktop, TUI, and CLI that keeps a complete record of every run
• open-connector - An open-source authentication gateway connecting SaaS providers to AI agents through SDK, CLI, MCP, HTTP, and OpenAPI
• layerfs - An isolated and disposable filesystem layer for branching, rewinding, and reusing Agent workspaces

Project	PR	Commit
memU	#643	fix(hosts): write instructions atomically
	#660	feat(claude-code): verify Cowork source composition
	#663	fix(agentic): validate RecallFile pagination inputs
	#675	feat(hosts): add pi coding agent adapter
	#693	fix(vector): skip empty and wrong-dimension rows in cosine_topk
	#694	perf(retrieve): scope file roll-up to hit files via id__in
OpenViking	#4064	fix(bot): normalize cron one-shot datetimes
	#4081	fix(privacy): serialize config mutations under pathlock and propagate storage errors
	#4083	fix(ragfs): return config error instead of panicking when pathlock manager is missing
	#4085	fix(cli): exec npm shebang wrappers instead of skipping all shebang files
	#4087	test: fix root collection boundary and CLI fixture pollution
	#4089	chore: remove dead git tuning knobs and duplicate release/frontend files
	#4614	feat(bot): bound concurrent subagents
	#4733	fix(bot): atomically persist cron store
deer-flow	#4951	fix(frontend): avoid recreating browser stream after reconnect
	#4952	fix(agents): do not hide invalid config with file fallback
	#4972	fix(skills): refresh user storage after config reload
	#5258	feat(gateway): support idempotent thread runs
	#5261	fix(sandbox): stop E2B append from overwriting on read failure
	#5264	fix(sandbox): stop list_dir from reporting failures as empty
	#5283	feat(gateway): paginate thread run history
deer-workflow	#7	feat: support Pi Coding Agent 0.84.1
pi	#8985	fix(coding-agent): avoid overwriting imported sessions
	#8616	fix(coding-agent): scan past non-EXIF APP1 segments
	#8613	fix(coding-agent): isolate concurrent session shares
	#6354	fix(coding-agent): clear label timestamp cache on new sessions
open-connector	#435	fix(oauth): prune expired authorization states
	#436	fix(runtime): handle JSON media types case-insensitively
	#439	fix(providers): allow private network credential validation
OpenKB	#59	auto-propagate LLM_API_KEY to provider-specific env vars via config-driven detection
	#79	Eliminate duplicate wiki-tool implementations in skill/tools.py

Unmerged PRs

Project	PR	Title
memU	#690	feat(retrieve): fuse BM25 with cosine via RRF
OpenViking	#4658	feat(session): extract session skills even when no training cases are produced
	#4660	feat(bot): deliver send:// generated images on Telegram, Discord, and Slack
	#4730	docs(retrieval): clarify score threshold and hotness semantics
	#4736	feat(bot): process independent sessions concurrently
	#4787	feat(plugins): add Kimi Code CLI memory plugin
deer-flow	#5288	feat(scheduler): let scheduled tasks pin a custom agent
	#5291	feat(scheduler): add interval schedule type
pi	#8744	feat(tui): add opt-in overlay selection exclusion
	#8743	fix(coding-agent): ignore stale tool image conversions
	#8612	fix(coding-agent): clear delivered image-only queue entries
maka	#5051	feat(computer-use): move overlay cursor for set_value and press_key
	#5052	feat(computer-use): keep overlay cursor elevated when the aim point is covered
	#5053	feat(computer-use): show snapshot selected text in model observations
	#5054	feat(runtime): add Gemini Google Search grounding
	#5055	feat(storage): scan OpenCode sessions in foreign-session store
	#5070	feat(mcp): forward tools/call progress to Host