Developer of ActivityPub-based micro-blogging and content subscription platform Mitra. I help maintain the FEP repository and write my own FEPs too. Currently working on ActivityPub Next.
Public Key
npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw Profile Code
nprofile1qqsx5he4ms5pyakrp3f8uyjqaa4660hj008e9d877qtacl66tsc7tmqpz4mhxue69uhhyetvv9ujuerfw36x7tnsw43qz9thwden5te0wfjkccte9ekk7um5wgh8qatzvsqt04
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Published at
2026-07-30T07:01:42Z Event JSON
{
"id": "676427e24cf50539d87e89cd9d0c2857085684403997d6c68ae3b47d81784185" ,
"pubkey": "6a5f35dc281276c30c527e1240ef6bad3ef27bcf92b4fef017dc7f5a5c31e5ec" ,
"created_at": 1785394902 ,
"kind": 0 ,
"tags": [
[
"proxy",
"https://mitra.social/users/silverpill",
"activitypub"
],
[
"client",
"Mostr",
"31990:6be38f8c63df7dbf84db7ec4a6e6fbbd8d19dca3b980efad18585c46f04b26f9:mostr",
"wss://relay.ditto.pub"
]
],
"content": "{\"name\":\"silverpill\",\"about\":\"Developer of ActivityPub-based micro-blogging and content subscription platform Mitra. I help maintain the FEP repository and write my own FEPs too. Currently working on ActivityPub Next.\",\"picture\":\"https://mitra.social/media/6a785bf7dd05f61c3590e8935aa49156a499ac30fd1e402f79e7e164adb36e2c.png\",\"nip05\":\"[email protected] \",\"fields\":[[\"Code\",\"https://codeberg.org/silverpill/\"],[\"Matrix\",\"@silverpill:unredacted.org\"],[\"XMPP\",\"[email protected] \"],[\"$XMR\",\"48YM8jwJqDkeUvD38vepSXFeMZH1zsjbvGwTTuaNSSq6Q5GyeWaeiheAZUsSmNn72YdyLpw8geb4FL3opZfGbguJLUj8Mi9\"],[\"XMR subscription\",\"https://mitra.social/@silverpill/subscription\"],[\"PGP\",\"0541 49E3 0F91 C6D7 8FFA C49C 955F 5A6E 2123 25F0\"],[\"OMEMO fingerprint\",\"689a2fb0ec87a9481fb45cb7d8870da6aeb4d8247bd69a39017701133b901f04\"],[\"Matrix (backup)\",\"@silverpill:poa.st\"]]}" ,
"sig": "76869164a176ed2a56bc996ebb957d66f244bbec968aadd92ce34ec89e2f54c517e9e4246cea91e284ba3cacddb28c1dfa1c1441f3ce916f04e6350941057a92"
}
Last Notes npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill Private groups npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…5u9f npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…04yf @nprofile…ad74 A dedicated button for question is also an option. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…ad74 This is not going to happen, the button will stay in the menu. But I may consider allowing quote posting from the home timeline. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…e40t @nprofile…nr0z I don't feel that mitra is unwelcome there, my interactions with Codeberg team have been mostly pleasant. But I also don't want to count on favorable interpretations. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…nr0z No, I think only members of Codeberg organization can vote. I didn't even know this is being considered npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill Codeberg is banning "cryptocurrency projects": npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…zn8j That's because real ActivityPub differs from what is written in the W3C specification. Traditionally, development of an ActivityPub application required a lot of reverse-engineering because there were no developer documentation (aside from several blog posts), and no good libraries. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill I've got a report about Mastodon v4.7.0-alpha.1 not federating with Mitra. Can anybody confirm this? npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill FEP-8b32 update: https://codeberg.org/fediverse/fep/pulls/874 npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…9mrz @nprofile…tyzc It worked npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…9mrz @nprofile…tyzc I don't see a follow request, but there is a bigger federation problem - your server responds to all my requests with 418 I'm a teapot. So you will probably not see this message :] npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…834j No, it is not announced. The problem is probably in Accept.object - in my case it is a URL of the Follow activity but some servers expect an embedded activity. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…tyzc Are you trying to follow me or the group @[email protected] ? npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…834j "data did not match any variant of untagged enum AnnouncableActivities" npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill Lemmy can see my groups, and it can discover posts with "Search": https://voyager.lemmy.ml/post/17669 npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…5c4e That's what I am thinking too, but why it sends these Update activities in the first place? I get one every 10 minutes. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…dwj0 npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…rgcq Oh hello there, I have a question about Aktor. Could you provide a short description of the project? In one sentence - it's for @nprofile…cjkf newsletter. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…d8rs What kind of side-effect hint would you prefer? npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…davq @nprofile…s2sp In a way, yes. My personal preferences: npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…d8rs Activity type is not the only meaningful information about the side-effect, but in many cases a custom type could help with the identification. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…davq @nprofile…s2sp I don't think there is a difference. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…d8rs Wrong about what, using different names for different things? npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…s2sp With AcceptFeatured you don't need to determine anything. Because the object type is right here in the activity name npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill I've been reviewing the new FEP from the Mastodon team today, and one thing that caught my attention is the use of Accept and Reject activities for managing approvals. Another day, someone proposed to use Follow activity for "watching a thread". npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…smhc It asked to me to click on motorcycles. The future is not evenly distributed :( npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…smhc On what site did you find it? I have never seen anything like that npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…y0lv @nprofile…qr25 npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…8vmk Did that change fix the Sharkey problem? npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…s0sp npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…qr25 This is one of the reasons I don't build on Nostr. It's full of delusional bitcoin cultists npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…racq I am developing Mitra Mini nomadic client. It is still in early stages, but it's usable, and there was even a successful experiment in pure peer-to-peer communication recently. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…vgdh @nprofile…k4nn What kind of component? npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…k4nn This is an indicator of the last read message in the timeline npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…d8rs Still returns 401. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…krnx It likely means your HTTP server is rejecting the request (not Mitra). npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…krnx @nprofile…gunk npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…mq95 @nprofile…krnx There is no formal procedure. The list consists of clients with friendly and responsive maintainers and clients that I can debug myself. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…krnx Yes, there is a list of supported clients in the readme: https://codeberg.org/silverpill/mitra#supported-clients npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…d8rs @nprofile…v7dx @nprofile…v7dx Sent another one to https://marius.federated.id/inbox npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…v7dx npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…krnx It is similar to followers-only posts, but instead of simply following, subscribers need to pay a certain amount. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill UPDATE: ActivityPub over Syncthing actually works. I am exchanging activities with another Mitra Mini user. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill Fediverse & P2P npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…53ta How it breaks duck typing? npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill >I'm probably going to set it to also subscribe to a list of mitra instances daily to block npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…9q3v Interesting perspective, I haven't thought of that npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…yla0 ActivityPub data can be portable too, even distributed across multiple instances: npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…2gus I wouldn't count on that. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…s2sp @nprofile…p3lz I don't use docker in production, so I am happy that others take care of images. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill flohmarkt now implements FEP-0837: Federated Marketplace! npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…tc7m Thanks![email protected] of yours. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…vgdh Please try again npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…vgdh @nprofile…tn0l @nprofile…z3wv Looks like it was rejected by the anti-spam filter on gateway. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…vgdh @nprofile…tn0l Cool! Could you send a message to @nprofile…z3wv? npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill I making some changes based on feedback: https://codeberg.org/fediverse/fep/pulls/811 npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…6wm2 LLMs go brr npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…tc7m This seems to be in conflict with property-based collection creation. It is not clear how a server should process an inlined collection (create an empty collection? create a collection with specified items? remove the property?). If I remember correctly, this is not supported in GoActivityPub npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…svam @nprofile…4f8f https://codeberg.org/silverpill/mitra-web/issues/60 closed but could be re-opened npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill FEP-9f9f: Collections has been published: npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…tn0l Thanks. The patch disables ownership check, this is not good but I can apply it to mitra just to unblock compilation. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…wugs @nprofile…7j4l @nprofile…qcew npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…qcew npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…tn0l Yeah that's true - I added this to the list of limitations in the readme. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…lqwx @nprofile…s2sp npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill How Nomadic ActivityPub (FEP-ef61) compares to other protocols? npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…d8rs Now with images: https://mitra.social/post/019d1165-d22b-7d64-ac44-2ba40757d004 npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill - I think this can be generalized to all kinds of fediverse applications using the mechanism described in FEP-0499. Is there a reason for using a domain-specific solution (FEP-1b12 Announce)? npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill What status code you use get? It might be a temporary issue. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…2y8k @nprofile…xsag It is an invaluable tool, and has so much potential, but the development is kind of slow. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…m7tc Remember we talked about an offline-first fedi client? npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…qhdx At one point I was in one of those lists, but I don't know the reason (they never tried to contact me). Probably because I am federating with wrong instances, or use cryptocurrency. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…d8rs It is displayed as a post (without image): https://mitra.social/post/019d446f-b692-036c-b345-78291b764a19 npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…2y8k @nprofile…xsag Some interesting data here: https://funfedi.dev/support_tables/object_types/ npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…vgdh @nprofile…qhdx The site says it uses gardenfence, but I am not in gardenfence list... npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…qhdx Is there a blocklist? I've never seen FediBuzz announcing my posts, although I did see it announcing posts from other Mitra instances. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…m7tc Welcome back npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…ut88 It is not really about making leaving expensive. Moat is an advantage that competitors can't easily replicate npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…cwmd This is just a weird Mastodon thing, other servers usually don't have quote controls. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…lqwx At the moment these servers are Forte, Mitra, tootik. I added this information to "Current limitations" list in the readme. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…77cu You can look up @nprofile…z3wv, it is an actor hosted on my server and managed using the Mitra Mini client. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill Thank you @nprofile…k95l ! npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…77cu You mean, the entry point for a developer? I started with consuming npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…gmdz Because JS module runs on a different site, I guess? You add it to a non-AP site, and it fetches replies from AP-enabled clone. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…lqwx There is a caveat, of course. It can communicate with Mastodon and other Fediverse servers, but only a few of them are capable of distinguishing decentralized accounts from regular ones. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…kzpn Thanks! npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…lqwx It is useful if you want a micro-blog account that is not tied to a single server / domain name. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill Announcing Mitra Mini v0.1.0 npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…e38v Not much have been done on the intersection of ActivityPub and gaming. One project that comes to mind is https://github.com/maybeanerd/selfhosted-api-trader-game by @nprofile…yv49 npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…gmdz No, I don't see it npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…gmdz In theory it could ingest content by following a blog via ActivityPub, but I don't see this mentioned in the docs. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…gmdz Such tools are often RSS-ActivityPub bridges. They parse your feed and re-publish posts to Fediverse, where people can comment on them. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…h0ux @nprofile…cjkf I would simply ignore an obviously vibe coded project with no history. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…h0ux I am already facing this problem in @nprofile…cjkf. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…ptyr ActivityPub relays can help with that npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…svam You can say it at https://codeberg.org/silverpill/mitra npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…2y8k @nprofile…c7yq @nprofile…s2sp npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill @nprofile…c7yq Fediverse is not like email because ActivityPub has many different message types. What kind of client API developers use is irrelevant. npub1df0nthpgzfmvxrzj0cfypmmt45l0y770j260auqhm3l45hp3uhkqx27gmw silverpill Mitra 5.0
