open sorcerer and plaintext enthusiast. Building tools for digital sovereignty at http://ren.orghttps://bsky.app/profile/t4t5.comhttps://bsky.app/profile/t4t5.com/post/3mqrlfc5gwc2ia cool thing about caldir: anyone can write a custom provider for fetching calendar data here’s one that reads calendar feeds from the AT Protocol using the "community.lexicon.calendar.event" lexicon: https://github.com/t4t5/caldir-provider-atproto16 Jul 2026 15:46 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3mqrlfc5gwc2ihttps://bsky.app/profile/t4t5.com/post/3mp4lqrgh4k2ai finally built my dream Linux calendar on top of caldir local-first, keyboard-driven, agent-friendly rencal.org25 Jun 2026 14:01 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3mp4lqrgh4k2ahttps://bsky.app/profile/t4t5.com/post/3mog5z2jzek2ni wrote a post about the UK's increasingly authoritarian approach to digital privacy t4t5.com/privacy-uk/ https://t4t5.com/privacy-uk/16 Jun 2026 15:56 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3mog5z2jzek2nhttps://bsky.app/profile/t4t5.com/post/3mnuasfvldc2bfeels like I’m 10 years old again 🥹 such a beautiful device09 Jun 2026 12:58 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3mnuasfvldc2bhttps://bsky.app/profile/t4t5.com/post/3mnjmz2re2c2tclaude code has been borderline unusable for me lately it fights simple instructions and spends 10+ minutes thinking about changes that should take 30 seconds i moved my setup to pi + GPT 5.5 and the results are sooo much better05 Jun 2026 07:38 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3mnjmz2re2c2thttps://bsky.app/profile/t4t5.com/post/3mlbycjqbrk2ii'm pretty much doing open-source full-time now haven't sat through a standup or gotten a slack ping for months god i love being free07 May 2026 19:48 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3mlbycjqbrk2ihttps://bsky.app/profile/t4t5.com/post/3mk65wzpwd22ysoo nice to have a scriptable calendar23 Apr 2026 13:53 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3mk65wzpwd22yhttps://bsky.app/profile/t4t5.com/post/3mgfssgwvu22iI wanted my AI agent to be able to read my calendar. Turns out the easiest way is to just make a directory of text files. So I built caldir caldir.org 🧵 https://caldir.org06 Mar 2026 17:14 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3mgfssgwvu22ihttps://bsky.app/profile/t4t5.com/post/3mdpubtnrps2hx402 is the future31 Jan 2026 12:52 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3mdpubtnrps2hhttps://bsky.app/profile/t4t5.com/post/3mdfoqhazl225some changes i've made to my tech stack to optimise for agent workflows: 🚫 Notion/Notes ✅ markdown files (with Obsidian) 🚫 Todo app ✅ todo.txt 🚫 Quickbooks ✅ beancount files 🚫 Google sheets ✅ csv files 🚫 Recipe app ✅ cooklang files27 Jan 2026 11:46 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3mdfoqhazl225https://bsky.app/profile/t4t5.com/post/3mby3k2lmq22fmy biggest bet for 2026: invest in plaintext productivity https://t4t5.com/plaintext-productivity/ https://t4t5.com/plaintext-productivity/?r=109 Jan 2026 08:33 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3mby3k2lmq22fhttps://bsky.app/profile/t4t5.com/post/3mbrtxk7rs22gthe thing with vibe coding is that writing the code was never really the hard part It’s like an author saying they could write Harry Potter because they can generate any sentence06 Jan 2026 21:01 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3mbrtxk7rs22ghttps://bsky.app/profile/t4t5.com/post/3llvybomln22kthese L2s, they're laughing at us. we will make them pay their fair share with reciprocal blob fees03 Apr 2025 13:15 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3llvybomln22khttps://bsky.app/profile/t4t5.com/post/3llvusbixu22cyou can now install the ordiscan MCP server and ask your AI assistant about ordinals ✨03 Apr 2025 12:12 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3llvusbixu22chttps://bsky.app/profile/t4t5.com/post/3lkngsjc52y26I built a website showing where the UK government spends its money https://wheredoesitallgo.org18 Mar 2025 10:15 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3lkngsjc52y26https://bsky.app/profile/t4t5.com/post/3ljkyfeul5k2d"very nice stock markeut you have over zere. would be a shame if something 'appened to it..."04 Mar 2025 17:27 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3ljkyfeul5k2dhttps://bsky.app/profile/t4t5.com/post/3lbticizgi225can the eu just chill and let us have good things26 Nov 2024 07:12 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3lbticizgi225https://bsky.app/profile/t4t5.com/post/3lbrvpg67wk2zworking with bitcoin script is hard, so i made a neovim plugin that shows you the state of the stack after each operation ✨25 Nov 2024 16:06 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3lbrvpg67wk2zhttps://bsky.app/profile/t4t5.com/post/3layouznquk2mfeel like pure shit i just want her back x15 Nov 2024 15:27 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3layouznquk2mhttps://bsky.app/profile/t4t5.com/post/3jzpihnwoar23gm04 Jul 2023 16:16 +0000at://did:plc:vsompag6nn7cxneuo2wlriom/app.bsky.feed.post/3jzpihnwoar23