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Ant Stanley @iamstan.dev · 11/09/2026

Ok... this is just silly. Introducing watch-tail npmx.dev/package/watc... because I wanted to tail CloudWatch logs in a nice web ui locally. Built from scratch this afternoon using DeepSeek v4 Flash, cost 59c What do you mean I can build a custom tool for 59c in an hour?

screenshot from the DeepSeek Platform usage page showing $0.59 USD cost, 490 API Requests, and 63,036,523 tokens

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Ant Stanley @iamstan.dev · 11/09/2026

Built using prime-agent as the agent. Hat tip to @timkellogg.me for going on about it. here is the prompt that did 80% of the work.

terminal screen shot with initial prompt

/goal I want you to create a small app to stream cloudwatch logs to a locally running web app. It should present the log groups
available for a region, and when a group is selected it should stream it

Constraints

- use sveltekit and tailwinds for the local webapp
- language: TypeScript
- package manager: pnpm
- testing: vitest
- code hygeine: oxlint, oxfmt, knip
- user will login outside of the app, use ambient AWS credentials
- build with floci to emulate aws locally

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