Tap a claim on the ring to put it at the centre.
← The thoroughness with which agents can test and QA software is unrivaled.
17 connected korrents · 16 moments from 7 May 2024 to 21 Sept 2026.
Everything filed under software quality
software quality
Everything filed under design
design
Everything filed under coding agents
coding agents
Everything filed under AI agents
AI agents
Everything filed under AI alignment
AI alignment
Everything filed under code generation
code generation
Everything filed under developer tools
developer tools
Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject
Read this korrent: The thoroughness with which agents can test and QA software is unrivaled.
The thoroughness with which agents can test and QA software is unrivaled.
Last stated a month ago
21 Sept 2026
GR
Guillermo Rauch — holds since 2026-09-21 — tap for who they are
Same subject: Writing code with a coding agent and no tests at all is indefensible, because the old objection to testing — that it is extra work you then have to maintain — no longer applies. — tap to centre the map on it
Writing code with a coding agent and no tests at all is indefensible, because the old objection to testing — that it is extra work you then have to maintain — no longer applies.
Last stated 7 months ago
19 Mar 2026
SW
Simon Willison — holds since 2026-03-19 — tap for who they are
Same subject: In an agent-written codebase the agent-written tests are equally untrustworthy; manually using the product is the only reliable measure of whether it works. — tap to centre the map on it
In an agent-written codebase the agent-written tests are equally untrustworthy; manually using the product is the only reliable measure of whether it works.
Last stated 7 months ago
25 Mar 2026
MZ
Mario Zechner — holds since 2026-03-25 — tap for who they are
Same subject: An agent can tell you whether a thing looks correct against a spec; it cannot tell you whether the thing is any good. — tap to centre the map on it
An agent can tell you whether a thing looks correct against a spec; it cannot tell you whether the thing is any good.
Last stated 2 months ago
19 Aug 2026
AO
Addy Osmani — holds since 2026-08-19 — tap for who they are
Same subject: A passing test suite is not evidence that the software works, so an agent must also be made to start the thing and exercise it the way a person would. — tap to centre the map on it
A passing test suite is not evidence that the software works, so an agent must also be made to start the thing and exercise it the way a person would.
Last stated 7 months ago
19 Mar 2026
SW
Simon Willison — holds since 2026-03-19 — tap for who they are
Same subject: Agent-written code that runs and passes its tests is not enough: security, maintainability and being able to roll it back still need humans in the loop. — tap to centre the map on it
Agent-written code that runs and passes its tests is not enough: security, maintainability and being able to roll it back still need humans in the loop.
Last stated 5 months ago
7 Jun 2026
TF
Tony Fadell — holds since 2026-06-07 — tap for who they are
Same subject: Everything a human can do in a product an agent should be able to do as well, and very few products get this right. — tap to centre the map on it
Everything a human can do in a product an agent should be able to do as well, and very few products get this right.
Last stated a month ago
10 Sept 2026
MK
Mike Krieger — holds since 2026-09-10 — tap for who they are
Same subject: AI agents are only as good as the proof-checkers, compilers, type systems, and linters given to them. — tap to centre the map on it
AI agents are only as good as the proof-checkers, compilers, type systems, and linters given to them.
Last stated a month ago
14 Sept 2026
GR
Guillermo Rauch — holds since 2026-09-14 — tap for who they are
Same subject: A language-agnostic conformance suite is the most powerful thing you can hand a coding agent, because the whole instruction becomes: write code until these tests pass. — tap to centre the map on it
A language-agnostic conformance suite is the most powerful thing you can hand a coding agent, because the whole instruction becomes: write code until these tests pass.
Last stated 7 months ago
19 Mar 2026
SW
Simon Willison — holds since 2026-03-19 — tap for who they are
Same subject: A model can now port essentially any codebase from one programming language to another, work that used to take a team over a year. — tap to centre the map on it
A model can now port essentially any codebase from one programming language to another, work that used to take a team over a year.
Last stated 3 months ago
27 Jul 2026
BC
Boris Cherny — holds since 2026-07-27 — tap for who they are
Same subject: AI acceleration threatens 'less software': without the constraint of scarce hours, even 37signals will likely build too much. — tap to centre the map on it
AI acceleration threatens 'less software': without the constraint of scarce hours, even 37signals will likely build too much.
Last stated 3 months ago
26 Jul 2026
DH
David Heinemeier Hansson — holds since 2026-07-26 — tap for who they are
Same subject: AI code generation's default reward loop works like a slot machine and undermines skill retention. — tap to centre the map on it
AI code generation's default reward loop works like a slot machine and undermines skill retention.
Last stated 5 months ago
28 May 2026
VB
Vicki Boykis — holds since 2026-05-28 — tap for who they are
Same subject: A company that uses an algorithm to nudge customers into behavior that isn't good for them is doing something bad. — tap to centre the map on it
A company that uses an algorithm to nudge customers into behavior that isn't good for them is doing something bad.
Last stated a year ago
7 Oct 2025
MM
Mr. Money Mustache — holds since 2025-10-07 — tap for who they are
Same subject: A control evaluation that reports under one per cent risk should be read as several per cent, because the evaluation can itself fail. — tap to centre the map on it
A control evaluation that reports under one per cent risk should be read as several per cent, because the evaluation can itself fail.
Last stated 2 years ago
7 May 2024
BS
Buck Shlegeris — holds since 2024-05-07 — tap for who they are
Same subject: A feedback loop that reinforces a behavior pulls it toward whatever improves the loop's own score. — tap to centre the map on it
A feedback loop that reinforces a behavior pulls it toward whatever improves the loop's own score.
Last stated 2 months ago
26 Aug 2026
HK
Henrik Karlsson — holds since 2026-08-26 — tap for who they are
Same subject: A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach. — tap to centre the map on it
A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach.
Last stated 5 months ago
13 May 2026
AH
Anders Hejlsberg — holds since 2026-05-13 — tap for who they are
Same subject: A good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling. — tap to centre the map on it
A good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling.
Last stated a year ago
18 Sept 2025
TL
Tobias Lütke — holds since 2025-09-18 — tap for who they are
Same subject: A new API framework that ignores how existing apps were historically built undermines its own introduction — tap to centre the map on it
A new API framework that ignores how existing apps were historically built undermines its own introduction
Last stated 2 months ago
31 Aug 2026
CH
Craig Hockenberry — holds since 2026-08-31 — tap for who they are
same subject or similar wording a cloud: claims about one subject, named for it bar: when it was last stated, on a scale from 2015 to today — full is today a face: someone who holds the claim — tap it for who they are
At the centre
The thoroughness with which agents can test and QA software is unrivaled.
Last stated 21 Sept 2026 · a month ago
Holds Guillermo Rauch
Read this korrent →
Similar wording
Writing code with a coding agent and no tests at all is indefensible, because the old objection to testing — that it is extra work you then have to maintain — no longer applies.
Last stated 19 Mar 2026 · 7 months ago
Holds Simon Willison
Similar wording
In an agent-written codebase the agent-written tests are equally untrustworthy; manually using the product is the only reliable measure of whether it works.
Last stated 25 Mar 2026 · 7 months ago
Holds Mario Zechner
Similar wording
An agent can tell you whether a thing looks correct against a spec; it cannot tell you whether the thing is any good.
Last stated 19 Aug 2026 · 2 months ago
Holds Addy Osmani
Similar wording
A passing test suite is not evidence that the software works, so an agent must also be made to start the thing and exercise it the way a person would.
Last stated 19 Mar 2026 · 7 months ago
Holds Simon Willison
Similar wording
Agent-written code that runs and passes its tests is not enough: security, maintainability and being able to roll it back still need humans in the loop.
Last stated 7 Jun 2026 · 5 months ago
Holds Tony Fadell
Similar wording
Everything a human can do in a product an agent should be able to do as well, and very few products get this right.
Last stated 10 Sept 2026 · a month ago
Holds Mike Krieger
Similar wording
AI agents are only as good as the proof-checkers, compilers, type systems, and linters given to them.
Last stated 14 Sept 2026 · a month ago
Holds Guillermo Rauch
Similar wording
A language-agnostic conformance suite is the most powerful thing you can hand a coding agent, because the whole instruction becomes: write code until these tests pass.
Last stated 19 Mar 2026 · 7 months ago
Holds Simon Willison
Same subject: code generation
A model can now port essentially any codebase from one programming language to another, work that used to take a team over a year.
Last stated 27 Jul 2026 · 3 months ago
Holds Boris Cherny
Same subject: code generation
AI acceleration threatens 'less software': without the constraint of scarce hours, even 37signals will likely build too much.
Last stated 26 Jul 2026 · 3 months ago
Holds David Heinemeier Hansson
Same subject: code generation
AI code generation's default reward loop works like a slot machine and undermines skill retention.
Last stated 28 May 2026 · 5 months ago
Holds Vicki Boykis
Same subject: AI alignment
A company that uses an algorithm to nudge customers into behavior that isn't good for them is doing something bad.
Last stated 7 Oct 2025 · a year ago
Holds Mr. Money Mustache
Same subject: AI alignment
A control evaluation that reports under one per cent risk should be read as several per cent, because the evaluation can itself fail.
Last stated 7 May 2024 · 2 years ago
Holds Buck Shlegeris
Same subject: AI alignment
A feedback loop that reinforces a behavior pulls it toward whatever improves the loop's own score.
Last stated 26 Aug 2026 · 2 months ago
Holds Henrik Karlsson
Same subject: developer tools
A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach.
Last stated 13 May 2026 · 5 months ago
Holds Anders Hejlsberg
Same subject: developer tools
A good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling.
Last stated 18 Sept 2025 · a year ago
Holds Tobias Lütke
Same subject: developer tools
A new API framework that ignores how existing apps were historically built undermines its own introduction
Last stated 31 Aug 2026 · 2 months ago
Holds Craig Hockenberry