Meta tags:
description=DrFed is a web-based platform for developing and debugging ActivityPub implementations, built by the team behind Fedify.;

Headings (most frequently used words):

hosted, tools, the, self, for, development, activity, debugging, fediverse, seven, activitypub, milestones, or, built, by, people, behind, fedify, follow, drfed, progress, project, connect, object, lookup, monitor, failure, diagnostics, webfinger, nodeinfo, testers, json, ld, toolkit, http, signatures, debugger, builder, more, to, come, core, hosting, docs, interoperability, validation, polish, public, launch, service, chanhaeng, lee, hong, minhee, hyeonseo, kim, jiwon, kwon,

Text of the page (most frequently used words):
and (29), the (27), drfed (14), for (9), with (8), activitypub (8), #activity (8), #debugging (7), built (6), fedify (6), tools (6), email (6), hosted (6), team (5), github (5), protected (5), development (5), webfinger (5), json (5), fediverse (4), roadmap (4), platform (4), updates (4), follow (4), self (4), phase (4), object (4), lookup (4), nodeinfo (4), toolkit (4), http (4), signatures (4), milestones (4), agpl (3), support (3), open (3), source (3), you (3), can (3), subscribe (3), website (3), infrastructure (3), service (3), milestone (3), mastodon (3), lemmy (3), interoperability (3), monitor (3), failure (3), diagnostics (3), builder (3), activities (3), stage (3), implementations (3), where (3), federation (3), funded (2), through (2), from (2), nlnet (2), ngi0 (2), commons (2), fund (2), progress (2), same (2), how (2), behind (2), single (2), docker (2), image (2), tunnel (2), url (2), your (2), public (2), testing (2), against (2), misskey (2), more (2), validation (2), documentation (2), hosting (2), testers (2), debugger (2), see (2), are (2), planned (2), any (2), inbox (2), common (2), signature (2), compact (2), inspect (2), objects (2), one (2), that (2), these (2), breaks (2), why (2), 2026, authors, established, financial, european, commission, next, generation, internet, programme, newsletter, connect, project, occasional, only, unsubscribe, anytime, also, address, still, hear, about, releases, early, access, along, way, jiwon, kwon, hyeonseo, kim, hong, minhee, chanhaeng, lee, made, maintainers, typescript, framework, used, ghost, others, experience, building, federated, software, informs, designed, people, embedded, postgres, database, default, pluggable, storage, backends, private, persistent, deployments, pglite, nothing, install, paste, start, useful, investigating, production, issue, without, setting, first, free, under, use, run, own, accessibility, refinements, performance, optimization, finalized, release, polish, launch, edge, case, handling, integration, community, feedback, deployment, tutorials, docs, core, organized, into, ten, later, come, construct, send, test, templates, types, step, construction, verification, supports, both, draft, cavage, rfc, 9421, expand, compare, different, read, document, find, terms, dropped, jsonld, validate, responses, check, cors, schema, misconfigurations, identify, which, failed, dns, tls, structured, errors, suggested, fixes, receive, incoming, real, time, searchable, filterable, history, what, received, fetch, handle, expanded, raw, views, linked, dereferenced, automatically, each, focuses, part, commonly, differs, between, seven, answering, questions, like, usually, means, combining, several, working, guesswork, when, hard, tell, whether, cause, processing, request, never, arrived, brings, stages, together, place, down, doesn, server, talk, did, reject, this, problem, active, not, yet, released, web, based, developing, inspecting, tracing, fails, get,

Text of the page (random words):
drfed the activitypub debugging platform drfed tools roadmap team follow on the fediverse get updates activitypub debugging platform debugging tools for the fediverse drfed is a web based platform for developing and debugging activitypub implementations inspecting objects and activities and tracing where federation fails it is built by the team behind fedify subscribe for updates follow drfed in active development not yet released the problem why doesn t my server talk to mastodon why did lemmy reject this activity answering questions like these usually means combining several tools or working from guesswork when federation breaks it is hard to tell whether the cause is a signature json ld processing a webfinger lookup or a request that never arrived drfed brings these stages together in one place so you can see where interoperability breaks down the toolkit seven tools for activitypub development each one focuses on a part of activitypub that commonly differs between implementations 01 object lookup object lookup fetch and inspect any activitypub object by url or handle in compact expanded or raw json ld views with linked objects dereferenced automatically 02 activity monitor activity monitor receive and inspect incoming activities in real time with a searchable filterable history of what your inbox received 03 failure diagnostics failure diagnostics identify which stage of federation failed dns tls http signatures or json ld with structured errors and suggested fixes 04 webfinger nodeinfo webfinger nodeinfo testers validate webfinger and nodeinfo responses and check for common cors and schema misconfigurations 05 jsonld toolkit json ld toolkit compact expand and compare how different implementations read the same document so you can find where terms are dropped 06 http signatures http signatures debugger step through signature construction and verification stage by stage supports both draft cavage and rfc 9421 07 activity builder activity builder construct and send test activities to any inbox with templates and validation for common activity types planned more to come self hosting documentation and interoperability testing against mastodon misskey and lemmy are planned for later milestones see the roadmap roadmap development milestones drfed s development is organized into ten milestones funded by nlnet s ngi0 commons fund phase 1 milestones 1 7 the core tools object lookup activity monitor failure diagnostics webfinger nodeinfo testers the json ld toolkit the http signatures debugger and the activity builder phase 2 milestone 8 self hosting docs single image docker deployment with built in tunnel support hosted service infrastructure and documentation and tutorials phase 3 milestone 9 interoperability validation testing against mastodon misskey lemmy and more edge case handling and integration of community feedback phase 4 milestone 10 polish public launch accessibility and ux refinements performance optimization and a finalized public release open source hosted or self hosted drfed is free and open source under the agpl 3 0 use the hosted service or run it on your own infrastructure hosted service nothing to install paste a url and start debugging useful for investigating a production issue without setting up infrastructure first self hosted a single docker image with built in tunnel support an embedded postgres database pglite by default and pluggable storage backends for private or persistent deployments agpl 3 0 built with fedify the team built by the people behind fedify drfed is made by the maintainers of fedify the typescript activitypub framework used by ghost and others the same experience building and debugging federated software informs how drfed is designed chanhaeng lee email protected github website hong minhee email protected github website hyeonseo kim email protected github jiwon kwon email protected github website updates follow drfed s progress drfed is still in development subscribe to hear about releases early access and progress along the way email address subscribe occasional updates only unsubscribe anytime you can also follow email protected on the fediverse drfed the activitypub debugging platform project tools roadmap open source team connect fediverse newsletter github fedify drfed is funded through the ngi0 commons fund established by nlnet with financial support from the european commission s next generation internet programme 2026 the drfed authors agpl 3 0 built by the fedify team