BYOBot

Automate Your Newsletter

Content curation, drafting, subject-line variants, segmentation, scheduling, performance recaps: describe your format and get a portable agent spec. First build free.

Curate this week Draft the issue Test subject lines Segment the list Schedule the send Recap performance
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Content Curation
Gather and shortlist the week's links, news, and updates worth including, so you start from a curated set instead of a blank issue.
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Draft & Write
Turn the curated set into a drafted issue in your voice, sections, blurbs, and transitions, ready for your edit.
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Subject Line Variants
Generate subject-line and preview-text options worth testing, so open rates come from a spread, not the first idea.
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Segmentation
Split the audience by interest or behavior for a targeted send, so the right readers get the right issue.
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Scheduling
Plan the send time and any follow-ups, so the newsletter ships on cadence without a scramble.
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Performance Recap
Summarize opens, clicks, and standouts after each send, so you learn what landed without living in the dashboard.
Mailchimp Klaviyo ConvertKit beehiiv Substack Google Sheets Notion Slack Discord Buffer
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AI Chat Tool
Run it in any chat AI
Paste your links or notes into Claude, ChatGPT, or Gemini with a BYOBot spec and get back the curated set, the drafted issue, or the subject lines. No OAuth required.
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Browser Agent
Agent works your ESP
A browser agent moves through your email tool to build and schedule the issue, without a developer wiring the API first.
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Automation Stack
Fully automated production
Wire the spec into your stack so curation and drafts assemble on a cadence, so each issue starts written and ready to edit.

Build Your First Newsletter Agent

Describe your newsletter. Get a portable spec that drafts in your voice, not a generic one.

$25 USD
S$34 SGD · 5 builds per pack · first build free
Build your newsletter agent →
No account. No code. Keeps your voice.

A good newsletter is a weekly promise, and weekly promises are the ones that quietly die. The curation, the drafting, the subject-line agonizing, the send-time decision, the after-action look at what worked: it all comes due every single week whether or not you have the hours. So the issue slips, then slips again, and the audience you built forgets you. The production is repetitive and the reporting is a pattern, which is why the hard part, showing up consistently, is the part an agent can protect.

BYOBot turns newsletter production into a portable spec: a structured file naming your sources, your format, your voice, and the schedule. Build the drafting spec once, feed it your past issues as the voice reference, and run it from a chat AI, a browser agent in your email tool, or your stack on a cadence. The draft comes back sounding like you because the spec is tuned to you. It builds on the content workflow automation and shares the send side with email automation.

Start with curation and drafting, since together they turn a blank issue into a near-ready one and remove the biggest reason issues slip. Once those run, subject-line testing, segmentation, and recaps follow the same shape. You stay the editor and the voice; the agent removes the grind that makes consistency hard. Writing longer pieces alongside the newsletter? The copywriter workflows use the same voice-tuned approach.

BYOBot automates newsletter production and reporting: curating the week's content, drafting the issue in your voice, generating subject-line variants, segmenting the audience, planning the schedule, and recapping performance after a send. If the task reads sources or results and produces a draft, a segment, or a recap, it can become an agent.
Yes. You feed the spec your past issues as a voice reference, and drafts come back matching your tone and structure rather than a generic template. You edit from a draft that already sounds like you, which is far faster than writing each issue from scratch or fixing something that reads like AI.
No. It curates, drafts, and recaps, so you spend your time on the edit, the voice, and the calls on what to feature. Consistency is the hard part of a newsletter, and the agent protects it by removing the grind. The taste and the final cut stay yours.
It works across Mailchimp, Klaviyo, ConvertKit, beehiiv, and Substack because the portable spec maps your production process rather than one platform's editor. You draft and send where you already publish, and the spec ports if you switch tools.
Yes. It generates subject-line and preview-text variants worth testing and can recap which framing drove opens, so your open rates improve from a real spread of options rather than whatever you thought of first. Testing becomes a habit instead of an afterthought.
No. Paste your links or notes into an AI chat tool for an instant curated draft, run a browser agent in your email tool, or connect the spec to your automation stack so issues assemble on a cadence. You can start with no integration and automate production later.