Jeffrey Emanuel (@doodlestein) — Developer tools / infra on X (Twitter)
Jeffrey Emanuel is a Developer tools / infra creator on X (Twitter) in the 40K–50K follower range, publishing for Developers and AI practitioners building with coding agents, LLM prompts, and agentic tooling, based in United States. Profile last checked 2026-07-06.
| Field | Value |
| --- | --- |
| Platform | X (Twitter) |
| Handle | @doodlestein |
| Followers | 40K–50K |
| Category | Software · Developer tools / infra |
| Market | United States |
| Audience function | automation and agents |
Profile bio
Former Quant Investor / My Open Source Projects: https://t.co/9qbOCDlaqM / Try https://t.co/oCtjI2mBIl , my collection of agent coding tooling.
What this creator posts about, and who reads it
Recurring topics: Agent coding tooling and workflows, Prompt engineering for LLM agents, Chinese LLMs for coding tasks, Developer workspace and productivity setup
Audience: Developers and AI practitioners building with coding agents, LLM prompts, and agentic tooling
Audience read from this creator’s own recent posts, not from platform-declared categories. It is our reading, and it can be wrong.
Recent content samples
Where the magic happens (aka my home office). It really makes it a lot more palatable to work 16+ hours a day when you’re in a nice environment, surrounded by light and nature, with your little kids visiting you…
Kimi K3 being so good has made me more receptive to trying out other new Chinese models for my coding work, though relegated to my "fun" projects for now, like https://t.co/078H3H1H85. So now testing out Qwen-3.8 Max to…
Useful prompt when the agent tells you that you're basically out of context and it's time to start a new session: ❯ ok, give me the perfect prompt to start the next session with to ensure that we don't lose any threads…
See the original post on X (Twitter)
Where this creator sits in the wider pool
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