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Takayuki Kawazoe

Solo founder building Codens (AI dev suite, 5 specialized agents) with a public per-token rate card so customers can compute task cost upfront. Sentry → fix PR + E2E test gen + PRD automation.

Osaka, Japan Joined on Apr 28, 2026 https://www.codens.ai/

Takayuki Kawazoe

May 3

Claude Code Skills vs deterministic verify commands — same checks, very different ergonomics

#claude #ai #devops #testing

11 min read

Takayuki Kawazoe

May 2

I shipped a regex to catch AI agents committing only half the work. Then I ripped it back out.

#ai #claude #python #testing

14 min read

Takayuki Kawazoe

May 2

3 MCP server failure modes that bit us in production, and how we ship around them

#mcp #claude #python #devops

11 min read

Takayuki Kawazoe

May 1

One SSE connection, N upstream agents — the stream relay we shipped

#sse #redis #fastapi #python

12 min read

Takayuki Kawazoe

May 1

Why we built our own credit ledger instead of using Stripe metered billing

#stripe #billing #postgres #architecture

11 min read

Takayuki Kawazoe

Apr 30

I let my AI agents be advisory-only. Here's the rules-first PR risk engine I shipped instead.

#ai #claude #github #devops

7 min read

Takayuki Kawazoe

Apr 29

Stop AI from hallucinating E2E test selectors — code analysis + live browser exploration via Claude Agent SDK and 2 MCP servers

#ai #claude #mcp #playwright

6 min read

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