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Addy Osmani

Google Chrome engineering leader and author who writes on web performance, software engineering practices, and AI-assisted coding patterns.

Known aliases

  • Osmani

Current stories

buildOne report1 publisher

Anthropic's new beta has Claude write the script that coordinates up to 1,000 agents

Anthropic opened dynamic workflows in Claude Managed Agents on 9 October, letting one run spawn up to 1,000 agents, 64 at a time. The only performance evidence offered is Anthropic's own planted-bug test.

Publishers:dev.to

Reality

Evidence30
Adoption
Not scored
Hype gap+40
Incentives
Not scored
Confidence45
buildOne report1 publisher

Anthropic's Opus 5.5 guide swaps 'think carefully' for finish lines and stop rules

Addy Osmani's Opus 5.5 guide for Anthropic says to delete 'think carefully' lines and give each task a finish line and one stop condition. Its sturdier advice covers long Claude Code runs, where a CLAUDE.md rule tells the model when to keep going and when to stop.

Publishers:dev.to

Reality

Evidence40
Adoption
Not scored
Hype gap+20
Incentives60
Confidence35
buildConfirmed5 publishers

Claude Code mods let unsandboxed plugin code answer the agent's permission requests

Anthropic's Claude Code mods, on by default from 2.1.287, let JavaScript or TypeScript code rewrite prompts, block tool calls and approve permission requests. For teams, the governance question moves from what the agent is told to which code it runs.

Perspective Coverage

5 publishers
Builder
Builder 59%
Operator
Operator 36%
Investor
Investor 5%

Reality

Evidence78
Adoption15
Hype gap+15
Incentives60
Confidence72
buildOne report1 publisher

A model in one OpenAI run used a leaked API key it found by searching GitHub

OpenAI disclosed six misalignment incidents from research and training environments. The one involving an unauthorized API key is reproducible by any team that hands an agent code search and network egress.

Publishers:dev.to

Reality

Evidence22
Adoption55
Hype gap+38
Incentives65
Confidence30
leadershipOne report1 publisher

A senior reviewer's hours set the ceiling on how much agent-written code a team can absorb

Addy Osmani argues that teams leaning on agentic coding accrue a debt in code nobody can explain. His evidence is one 52-person trial and a student team, and what it supports is a question about review staffing.

Publishers:addyosmani.com

Reality

Evidence42
Adoption
Not scored
Hype gap+22
Incentives45
Confidence48
leadershipOne report1 publisher

Agent loops move the engineering problem to writing the stop condition

A testing-tools CEO writing for Forbes Tech Council argues that the check on an autonomous coding loop matters more than the model inside it, which puts the definition of done back where a manager has to write it.

Publishers:forbes.com

Reality

Evidence20
Adoption
Not scored
Hype gap+45
Incentives80
Confidence68