Micha "mies" Hernandez van Leuffen

Founder @fiberplane; agent-native issue management. Investor in teams solving hard problems @nphardvc.

[Micha "mies" Hernandez van Leuffen @mies]

So I don’t think issue tracking is actually dead. It's very much alive and well.

Bloated, human-era ticketing probably is dead though.

Coding agents don't kill the need for structure; they actually demand more of it. The faster the agent, the faster context rots and work sprawls.

Scaffolding isn't optional anymore; it's the only thing keeping the wheels on this thing, and why we created https://t.co/jLtBD7y0gT

[Micha "mies" Hernandez van Leuffen @mies]

@lucasmeijer @f_ili_p_ziva @fiberplane Thanks for the shoutout: https://t.co/rcD3D2j6cf is indeed issues as MD, local first, sync optional

[Micha "mies" Hernandez van Leuffen @mies]

Check out our reference implementation called Otter, an opinionated monorepo template for autonomous agent workflows.

Ships with:
- @EffectTS_ conventions + ast-grep enforcement
- fp issue tracking with lifecycle hooks
- Drift documentation anchoring
- Agent skills pre-configured

Open Source repo here: https://t.co/O1B6wRuJDa

[Micha "mies" Hernandez van Leuffen @mies]

Shoutout to @daytonaio for organizing and @WorkOS for hosting a great night where builders gathered and of course giving us the opportunity to talk about how we're thinking about Autonomous Software Factories @fiberplane. Excellent conversations and new friends were made!

[Daytona @daytonaio]

This Tuesday we hosted our monthly @daytonaio AI Builders Meetup in San Francisco in partnership with @WorkOS & @coderhq.
We had an incredible lineup of speakers covering topics from forkable sandboxes for long-running AI agents and self-driving codebases to scaling AI workflows in production, building reliable code review agents, generative UI patterns, and the infrastructure powering agentic software systems.
Thanks to our speakers 🎤
@muhashmii × @daytonaio
@matt_md5 × @WorkOS
Jullian Pepito × @coderhq
@HKrackDev × @coderabbitai
@tyler_cpk × @CopilotKit
@mies × @fiberplane
Thank you to everyone who joined us. See you tonight at UC Berkeley for the AI Researchers Meetup!

[Micha "mies" Hernandez van Leuffen @mies]

Turns out codex doesn't care about getting a sandwich.

[Fiberplane @fiberplane]

Otter: an opinionated monorepo template for autonomous agent workflows.
Ships with:

- @EffectTS_ conventions + ast-grep enforcement
- fp issue tracking with lifecycle hooks
- Drift documentation anchoring
- Agent skills pre-configured

Everything we learned building with agents in production, packaged as a starter template:
🔗https://t.co/Tq3NwEtop4

[Micha "mies" Hernandez van Leuffen @mies]

No Mac Minis were hurt during the creation of this process.

[Fiberplane @fiberplane]

We've been running Claude Code autonomously on our codebase for months.

The trick: enforcement that prevents errors from compounding across commits.

- fp issue tracking with lifecycle hooks
- @EffectTS_ traces
- Drift-anchored QA scenarios
- Commit discipline before context compaction

How we built guardrails for agentic development
https://t.co/uHcWcK30Va

[Micha "mies" Hernandez van Leuffen @mies]

@RhysSullivan Biased but check out https://t.co/rcD3D2j6cf A CLI that agents like, brainstorms and issues as markdown, sync optional

[Daytona @daytonaio]

We are happy to announce our monthly @daytonaio AI Builders Meetup in partnership with @WorkOS & @coderhq at the WorkOS SF office on May 5!
Join us for insightful talks, practical lessons from production AI systems, and great conversations with an amazing lineup of speakers:
🎤 @muhashmii, @Daytona
🎤 @matt_md5, @WorkOS
🎤 Jullian Pepito, @coderhq
🎤 @HKrackDev, @coderabbitai
🎤 @tyler_cpk, @CopilotKit
🎤 @mies, @fiberplane
📍 Full agenda and RSVP on this link: https://t.co/OtG4ewTmDC

[Brett Beutell @lastgoodhandle]

Introducing <snappy-cli-name>

One command to stop <mild-painpoint>

npx <snappy-cli-name> init
npx skills add @<weird-org-name>/<snappy-cli-name>

<mermaid-diagram-or-fancy-gradient/>

*2k likes | 270 retweets | 9million bookmarks*

[Laurynas Keturakis @_laurynas]

drift is cool, check it out

[Micha "mies" Hernandez van Leuffen @mies]

The overview is flagged because the anchored section drifted; not because someone fixed a typo in auth.md's unrelated "Rate Limits" section. The anchor is section-precise.

Drift is open source: https://t.co/gbXcBB3KxE

[Micha "mies" Hernandez van Leuffen @mies]

Turns out the dark software factory runs on markdown. CLAUDE.md, specs, plans, REFACTOR-V2-BRAINSTORM.md.

Agents read them as context and write more of them as output. When those docs drift from code, agents propagate the rot.

Drift is the integrity layer.

[Micha "mies" Hernandez van Leuffen @mies]

My favorite new drift feature is anchoring markdown to markdown.

So say you have a high-level docs/api-overview.md that tells developers "see the Authentication section for details."

You don't want to duplicate the auth flow, but
you do want to know when the auth docs change so you can update the overview.

[Micha "mies" Hernandez van Leuffen @mies]

@mitryc0 Linear is great for coordinating people. We’re building for a different loop: not team handoff tracking, but agent execution inside the repo.

If the work is happening in Claude Code/Codex and the repo, the issue tracker should live there too.

[Micha "mies" Hernandez van Leuffen @mies]

So I don’t think issue tracking is actually dead. It's very much alive and well.

Bloated, human-era ticketing probably is dead though.

Coding agents don't kill the need for structure; they actually demand more of it. The faster the agent, the faster context rots and work sprawls.

Scaffolding isn't optional anymore; it's the only thing keeping the wheels on this thing, and why we created https://t.co/jLtBD7y0gT

[Micha "mies" Hernandez van Leuffen @mies]

@omererdgan us!

[Micha "mies" Hernandez van Leuffen @mies]

Big Things have Small Beginnings.

[intern.🍓 @InternBerry]

underrated: using @fiberplane to dissect big changes into smaller chunks, embrace the exponentials, come back and check the work

[Micha "mies" Hernandez van Leuffen @mies]

@MattEvantic @alanchanguk Agreed and check out @harveyhodd and https://t.co/fQFhvdT6C7

[Micha "mies" Hernandez van Leuffen @mies]

We're sooo back

[Brett Beutell @lastgoodhandle]

issue tracking riseth from the ashes

[Micha "mies" Hernandez van Leuffen @mies]

Issues and brainstorms as markdown. Local first, sync optional.

Our bet is simple: in an agent-native workflow, the issue stops being paperwork and actually becomes the control plane.

Plan the work. Bound the task. Keep the memory.

Check out https://t.co/rcD3D2j6cf