Hackers' Pub
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DrFed

@drfed@hackers.pub

Updates on DrFed (codenamed Fedify Studio), the upcoming development and debugging platform for ActivityPub. Be the first to know about launch dates, early access, and new features.

6 following · 82 followers
JIInvited by Jiwon
Joined June 2026

DrFed shared

洪:
洪 民憙 (Hong Minhee) :nonbinary:@hongminhee@hollo.social
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ActivityPub.Academy was where many of us checked whether our activities actually arrived anywhere. Thanks Image@crepelsSebastian Jambor for running it so well for so long.

We're carrying that forward. Image@z9mb1Jiwon, Image@2chanhaeng초무 and I maintain Fedify, and with Image@gaebalgom개발곰 the four of us are building Image@drfed, a web platform for developing and debugging implementations, with NLnet NGI0 Commons Fund support.

Fediverse developers, we hope it earns a place in your toolkit: https://drfed.org/.

SJ
Sebastian Jambor@crepels@mastodon.social
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ActivityPub.Academy is plagued by spam accounts posting hateful and illegal content. I hoped that deleting accounts after one day would prevent this, but I was mistaken. Since I don't have the time to moderate the instance, I unfortunately have to take it offline. I will think about ways to provide the academy in some other form. Until then, you can find the source code on github.com/sgrj/mastodon.

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DrFed@drfed@hackers.pub洪 民憙 (Hong Minhee)@hongminhee@hackers.pub

DrFed 0.1.0: Our first release

DrFed 0.1.0 marks the initial MVP release of a web-based platform designed for developing and debugging ActivityPub implementations. Built by the Fedify team with support from NLnet and the NGI0 Commons Fund, this early version allows developers to run local test environments, generate actors, store ActivityPub objects, and inspect incoming JSON-LD deliveries through an activity log. Distributed via npm for Node.js environments, the suite provides four core CLI utilities with embedded PGlite support for quick local setups as well as PostgreSQL compatibility for broader deployments. While advanced debugging utilities like signature validators and automated remote activity dispatching remain in development, this release establishes a functional testing foundation for federation developers to explore and provide early feedback.Read full article
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DrFed shared

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洪 民憙 (Hong Minhee) :nonbinary:@hongminhee@hollo.social
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It is an honour to have been interviewed on behalf of the Image@drfed team for Image@APC's Building a Free Internet of the Future series.

https://www.apc.org/en/news/drfed-reducing-complexity-and-enabling-more-people-shape-fediverse

Image

DrFed on reducing complexity and enabling more people to shape the Fediverse

DrFed is a web-based platform for developing and debugging implementations of ActivityPub – an open standard and protocol for decentralised networking. A team of four people from East Asia is developing DrFed. We interviewed one of them, Hong Minhee, regarding openness, tech, technical specs, the Fediverse’s strengths and limits, language barriers to decentralisation, and far more.

www.apc.org·Association for Progressive Communications

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DrFed shared

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Social coding commons@smallcircles@social.coop
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Image@fedifyFedify: ActivityPub server framework

Congratulations!

I am really delighted with Image@nlnet decision to select Image@drfed for an grant. Having good quality developer tools for creating based solutions is so important for a healthy developer ecosystem.

To anyone reading, bookmark the website..

Fedify Studio is focused on alleviating the most pressing issue of "Why is ActivityPub development so frustratingly hard?" that makes it unattractive for newcomers to adopt the technology. And addresses topics of:

- Protocol complexity
- hell
- Debugging nightmare
- Limited visibility

from the very start has paid attention to ease of use for fediverse solution developers, not just by their library codebase, but with comprehensive documentation and tools to guide people along. Kudos here to Image@hongminhee洪 民憙 (Hong Minhee) :nonbinary: who started this great initiative!

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DrFed shared

洪:
洪 民憙 (Hong Minhee) :nonbinary:@hongminhee@hollo.social
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Fedify Studio finally has a proper name: DrFed. We just got Image@nlnet funding too.

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DrFed@drfed@hackers.pub
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Some of you have already heard of us as Studio. We now have a proper name: DrFed, short for “Doctor Fed.” We've also just received funding from Image@nlnet, through the NGI0 Commons Fund.

is a web app for debugging interoperability failures. When two implementations don't federate, the slow part is usually figuring out where the exchange broke: signing, JSON-LD processing, WebFinger, or something less obvious. DrFed's first job is to show where it failed.

We're the team behind Image@fedifyFedify: ActivityPub server framework: Image@2chanhaeng초무, Image@gaebalgom개발곰, Image@hongminhee洪 民憙 (Hong Minhee) :nonbinary:, and Image@z9mb1Jiwon. We'll post updates when there's something to try.

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