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← You cannot know what a program should do until you play with it, so in…

17 connected korrents · 15 moments on record from 2 Jun 2024 to 6 Sept 2026.

Everything filed under coding agents coding agents Everything filed under Anthropic Anthropic Everything filed under MCP MCP Everything filed under Ruby on Rails Ruby on Rails Everything filed under AI and jobs AI and jobs Everything filed under software quality software quality Cannot both be trueSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subject Read this korrent: You cannot know what a program should do until you play with it, so in the agentic age you should be as vague as you can up front and then interact with what appears. You cannot know what a program should dountil you play with it, so in the agenticage you should be as vague as you can upfront and then interact with what appears. Last stated 2 weeks ago 26 Aug 2026 DH David Heinemeier Hansson — holds since 2026-08-26 — tap for who they are Cannot both be true: With a good enough plan, a coding agent implements the whole change in one attempt. — tap to centre the map on it With a good enough plan, a codingagent implements the whole change inone attempt. Last stated 6 months ago 4 Mar 2026 BC Boris Cherny — holds since 2026-03-04 — tap for who they are Same subject: Specifying what you want matters more now that agents write the code than it did when the work went to a human who could ask follow-up questions. — tap to centre the map on it Specifying what you want mattersmore now that agents write the codethan it did when the work went to ahuman who could ask follow-upquestions. Last stated a month ago 30 Jul 2026 JD Jeff Dean — holds since 2026-07-30 — tap for who they are Same subject: Working with coding agents is a skill you learn like an instrument; judging the tools after one try is like calling a piano bad after one go. — tap to centre the map on it Working with coding agents is askill you learn like an instrument;judging the tools after one try islike calling a piano bad after onego. Last stated 7 months ago 12 Feb 2026 PS Peter Steinberger — holds since 2026-02-12 — tap for who they are Same subject: Software is product management, and those are the skills the agentic era rewards — skills that are not evenly distributed among programmers. — tap to centre the map on it Software is product management, andthose are the skills the agentic erarewards — skills that are not evenlydistributed among programmers. Last stated 2 weeks ago 26 Aug 2026 DH David Heinemeier Hansson — holds since 2026-08-26 — tap for who they are Same subject: What limits you with coding agents is your own skill at stringing them together, not the capability of the models. — tap to centre the map on it What limits you with coding agentsis your own skill at stringing themtogether, not the capability of themodels. Last stated 6 months ago 20 Mar 2026 AK Andrej Karpathy — holds since 2026-03-20 — tap for who they are Same subject: Being an excellent programmer is a burden rather than an advantage when learning to work with coding agents. — tap to centre the map on it Being an excellent programmer is aburden rather than an advantage whenlearning to work with coding agents. Last stated 7 months ago 12 Feb 2026 LF Lex Fridman — holds since 2026-02-12 — tap for who they are Same subject: Whether agent-written code needs to be good depends entirely on how long it will live: a throwaway single-page tool can be spaghetti, anything maintained cannot. — tap to centre the map on it Whether agent-written code needs tobe good depends entirely on how longit will live: a throwawaysingle-page tool can be spaghetti,anything maintained cannot. Last stated 6 months ago 19 Mar 2026 SW Simon Willison — holds since 2026-03-19 — tap for who they are Same subject: Software only gets good by being used a lot by the people building it, so time spent inside coding agents instead of the app is time that makes the app worse. — tap to centre the map on it Software only gets good by beingused a lot by the people buildingit, so time spent inside codingagents instead of the app is timethat makes the app worse. Last stated yesterday 6 Sept 2026 BV Ben Vinegar — holds since 2026-09-06 — tap for who they are Same subject: Working with a coding agent should leave both of you better every day, and that only happens if you deliberately record what was learned and decided in the session. — tap to centre the map on it Working with a coding agent shouldleave both of you better every day,and that only happens if youdeliberately record what was learnedand decided in the session. Last stated 3 weeks ago 19 Aug 2026 AO Addy Osmani — holds since 2026-08-19 — tap for who they are Same subject: A benchmark that ranks Claude Code last while it stays first in use is measuring the wrong thing, and has been for a year. — tap to centre the map on it A benchmark that ranks Claude Codelast while it stays first in use ismeasuring the wrong thing, and hasbeen for a year. Last stated 4 days ago 3 Sept 2026 DR Dax Raad — holds since 2026-09-03 — tap for who they are Same subject: A language model asked to summarize its own system prompt risks that prompt's content biasing the summary it produces. — tap to centre the map on it A language model asked to summarizeits own system prompt risks thatprompt's content biasing the summaryit produces. Last stated 5 days ago 2 Sept 2026 SW Simon Willison — holds since 2026-09-02 — tap for who they are Same subject: A trust that owns the mission protects a company better than founder control does, which is why Anthropic needs no dual-class shares. — tap to centre the map on it A trust that owns the missionprotects a company better thanfounder control does, which is whyAnthropic needs no dual-classshares. Last stated 4 months ago 10 May 2026 ER Eric Ries — holds since 2026-05-10 — tap for who they are Same subject: Every tool is better as a CLI than as an MCP server: models are good at Unix commands, a CLI composes with jq, and MCP output clutters the context. — tap to centre the map on it Every tool is better as a CLI thanas an MCP server: models are good atUnix commands, a CLI composes withjq, and MCP output clutters thecontext. Last stated 7 months ago 12 Feb 2026 PS Peter Steinberger — holds since 2026-02-12 — tap for who they are Same subject: MCP is not a new foundation for anything — it is API design, and Kubernetes was already turning one intention into seven calls a decade ago. — tap to centre the map on it MCP is not a new foundation foranything — it is API design, andKubernetes was already turning oneintention into seven calls a decadeago. Last stated 3 months ago 3 Jun 2026 KH Kelsey Hightower — holds since 2026-06-03 — tap for who they are Same subject: MCP servers are worth removing outright: an agent reading the code directly is faster, and pollutes its context less, than one that can reach for a tool unasked. — tap to centre the map on it MCP servers are worth removingoutright: an agent reading the codedirectly is faster, and pollutes itscontext less, than one that canreach for a tool unasked. Last stated a year ago 25 Aug 2025 PS Peter Steinberger — holds since 2025-08-25 — tap for who they are Same subject: Calling static typing the only way to build reliable systems is idiotic in the face of the evidence, starting with Shopify serving a million requests a second on Rails. — tap to centre the map on it Calling static typing the only wayto build reliable systems is idioticin the face of the evidence,starting with Shopify serving amillion requests a second on Rails. Last stated a year ago 12 Jul 2025 DH David Heinemeier Hansson — holds since 2025-07-12 — tap for who they are Same subject: Ruby on Rails took off because its creator evangelized it by arguing its superiority against the competing alternatives. — tap to centre the map on it Ruby on Rails took off because itscreator evangelized it by arguingits superiority against thecompeting alternatives. Last stated 2 years ago 2 Jun 2024 DH David Heinemeier Hansson — no longer holds since 2024-06-02 — tap for who they are
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At the centre You cannot know what a program should do until you play with it, so in the agentic age you should be as vague as you can up front and then interact with what appears. Last stated 26 Aug 2026 · 2 weeks ago Holds David Heinemeier Hansson Read this korrent →