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About me and my story

CUBXXW / PROFILE

Xinwei Xiong cubxxw

Xinwei Xiong (熊鑫伟, aka cubxxw / BEAR, b. 2001) builds AI products with a focus on agent evaluation and reliable execution. He contributed to OpenIM's engineering and community workflows, and writes about projects and monthly reflections at cubxxw.com. Travel remains part of his life.

To know myself more, and to know the world more.

Resume and project evidence ↗ GitHub ↗

Full biography and public records

Xinwei Xiong · 熊鑫伟 · 2001

AI Product Systems Engineer

You never lose — either you win, or you learn.

2001 born · Wuhan CS student · 2021 first blog/GitHub · 2022 learning-note open source · 2023 OpenIM internship & this blog · 2024 graduation, first trip abroad, quit corporate, nomad · 2025 treks & inner work · 2026 Tibet/AI identity, solo AI products, new job Aug 10.

2018-01-03X/Twitter @cubxxw account created (public digital footprint begins on that platform)
2019Late high school — no reliable public digital traces
2020Entered university (CS, class of 2020, Wuhan) — sparse public traces
2021-01-12Joined CSDN
2021-06-19GitHub account cubxxw created; first repo nsddd (campus parking mini-program)
2021-11-15First blog post on nsddd.top: “hello! 欢迎来到我的博客”
2022-01Note-taking open-source burst: 菜鸟成长手册 (awesome-cs-cloudnative-blockchain, later 1.4k stars), LeetCode, myblog
2022-08Juejin profile; Bilibili 程序员知识分享计划 videos
2022-10-19First commit to labring/sealos
2023OpenIM first internship; #1 contributor leaderboard; designed & hosted community biweekly (双周会); projects: sealer, horizon, kubernetes, k8sgpt, openkf
2023-09-14Current Hugo blog repo + 《我的第一个博客》 — “你的价值取决于你创造了什么，而不是你拥有什么”
2023-12-312023 annual summary; NYE Victoria Harbour self-marking: loyalty to adventure & open source
2024-02-25First time abroad — Kuala Lumpur (second semester of senior year)
2024Graduation → Japanese/foreign company (Shanghai) → left the job for travel & building; RemoteAI-Nomads guide (74 stars)
2025-01Nepal ACT trek (first high-altitude trek) — cried twice: “我不是因为痛苦而哭，我是因为自己还在走而哭”
2025Digital nomad year: Jeju, Qingdao, Vietnam, Mt. Fuji, Kansai; monthly thought notes; metacognition review “自我解释不等于自我理解”
2026-02Sichuan–Tibet road (G318) → Lhasa residency ~1 month; AI identity essay “如果 AI 能代替我思考，那‘我’在做什么？”
2026-032025–2026 annual review 《我在游荡，但我没有迷路》; Cambodia Angkor field notes
2026-04Laos & Cambodia border month; disconnection experiment in May
2026-07GEO series + solo AI products including DayPage and Solo Compass; 55 Chinese posts / 733 GitHub contributions that month
2026-08-10Started a new job after a ~2-year career gap: “不会让恐惧替我做决定”
2026-09IMStage live; StripSearch research agent; still writing monthly thought notes
2026-10-03Published paired Personal Agent product and technical studies, separating source-code observations from proposed task and authorization models
2026-10-08Public monthly notes connect user stories to evaluation cases, failure analysis and regression; research methods remain distinct from measured production outcomes

identity.json ↗ Public timeline ↗

CUBXXW / ALONG THE WAY

Along the way

2021
A first blog post
I created my GitHub account and began publishing my notes.
More of the story
In June 2021 I created my GitHub account cubxxw, with a campus parking mini-program (nsddd) as its first repository. On November 15 I published the first post on nsddd.top, “hello!”, and started writing in public.
map[I registered on CSDN that January and began posting there in November. Writing and open source were the same act from the start:turning my own notes into something other people could open and reuse.]
Read “My First Blog” ↗
2023
OpenIM and open source
I joined OpenIM as an intern, contributed code, and hosted community meetings.
More of the story
In 2023 I joined OpenIM as an intern, reached the top of its contributor leaderboard, and designed and hosted the community biweekly. On September 14 this blog opened, and I wrote: “Your value is what you create, not what you own.”
That year I also contributed to sealer, horizon, kubernetes, k8sgpt, and openkf. On December 31 I spent New Year's Eve at Victoria Harbour in Hong Kong, marking my loyalty to adventure and open source.
Read the 2023 annual review ↗
2024
Graduation and departure
My first trip abroad, graduation, a job, then leaving to travel and build.
More of the story
On February 25, 2024, in my final university semester, I flew to Kuala Lumpur, my first trip abroad. After graduation I joined a Japanese foreign company, then left that job the same year to travel and build.
After leaving the company I compiled the RemoteAI-Nomads guide and began a life of travelling while building. Graduation, the first flight, and the resignation were all decisions I made myself that year.
Read the 2024 annual review ↗
2025
The Annapurna Circuit
My first high-altitude trek. From February, I began writing monthly notes.
More of the story
In January 2025 I finished my first high-altitude trek, the Annapurna Circuit in Nepal, and cried twice: “I didn't cry from the pain; I cried because I was still walking.” From February I began monthly thought notes, a standing review of my own judgment.
That year I moved between Jeju, Qingdao, Vietnam, Mount Fuji, and Kansai, keeping the monthly notes and metacognition reviews as fixed practice. “Self-explanation is not self-understanding” was the conclusion I kept.
Read the 2025–2026 annual review ↗
2026
Products and a new job
I kept building and writing. On August 10, after roughly two years away, I started a new job.
More of the story
Through 2026 I independently built AI products including DayPage and Solo Compass, and wrote about identity in the AI age. On August 10, after roughly a two-year career gap, I started a new job. My August thought notes follow the ongoing work on agent harnesses, products, and self-knowledge.
In February I took the Sichuan–Tibet road to Lhasa and stayed about a month; in March I finished the annual review “Wandering & Growing”. Products, writing, and the new job all continue.
In September and October I focused on agent outcomes. What does the user want to accomplish, what counts as success, and how do we diagnose a failure? Those questions began connecting to evaluation and regression cases.
I also continued working on DayPage, StripSearch and agent-kit, and studying how personal assistants preserve task progress, handle authorization and recover execution. In public records I distinguish implemented code from proposals that still need validation.
Read the August 2026 thought notes ↗

CUBXXW / READING PATHS

Want to read my writing? Open four curated reading paths

Now that you know the person, meet the writing. Everything on this blog follows four threads: AI agents, engineering & open source, growth & thinking, and travel & observation. Not sure where to begin? Here is the map drawn for your first visit.

Just want one post? Wandering & Growing: 2025-2026 Annual Review A year in deep review — the tech, the growth, the travel, all in one place. Read this and you will roughly know me. 25 min read Start with this one

Choose your path

Four threads, a few representative posts each. Pick the one that pulls you in.

AI Agent

For developers curious about LLM applications, agent engineering, and open-source AI deep-dives — the highest-traffic thread on this site.

Browse all AI Agent posts

Engineering & Open Source

For engineers who care about Kubernetes, cloud native, Go, and open-source practice.

Browse all engineering posts

Growth & Thinking

For anyone on the road of self-discovery, annual reviews, and sharper thinking.

Browse all growth & thinking posts

Travel & Observation

For digital nomads, hikers, and cultural observers.

See the full travel log

About this site

cubxxw.com is Xinwei Xiong's open archive of practice and thought. Its writing grows from real projects, engineering choices, and lived experience, covering AI workflows, agent engineering, open-source practice, systems thinking, personal growth, philosophy, and life. Xinwei has contributed to projects including OpenIM, OpenKF, and Sealos, and openly documents the methods, failures, and judgment formed through practice.

Author: Xinwei Xiong (cubxxw)
Identity: Practitioner · Writer · Open-source contributor
Threads: AI systems / Engineering methods / Real projects / Growth & philosophy
Footprint: 9 countries · 35+ cities · 400+ km hiked