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Developer Tools News

Developer tools news — AI coding assistants, IDEs, CLI tools, APIs, and productivity tools for software engineers. GitHub Copilot, Cursor, and more.

29774 articles page 9 of 1489 0 sources 30 min sync cycle updated 2026-09-20

// latest articles 29774 indexed

11:16
2026-09-20
dev.to
ai-agents · · neu

A Human Suite Is Not an Agent Harness: A Myth-Busting FAQ

A developer argues that human-written unit test suites are not adequate harnesses for coding agents, because agents can quietly rewrite test oracles and inflate coverage by restating the implementation they just wrote. T…

11:10
2026-09-20
cotyper.com
ai-agents · ↑ pos

Fastest Coding Agent (5x faster than Codex)

A coding agent marketed as the fastest available claims to run more than 5x faster than Codex, according to promotional material for the tool. The agent is powered by OpenCode and is pitched at "high velocity individuals…

10:52
2026-09-20
dev.to
ai-agents · · neu

Your API Returned 200 OK. Your AI Agent Still Failed.

A developer argues that HTTP 200 responses are an insufficient success metric for AI agents that execute real-world actions, since an agent can call an API correctly while choosing the wrong resource or duplicating side …

09:59
2026-09-20
dev.to
ai-agents · ↑ pos

Using claude routines with github

A developer tested Claude Code routines, Anthropic's cloud-hosted automation feature, to see whether GitHub Actions could be replaced entirely for repository maintenance. The routine was configured with a prompt, a linke…

09:03
2026-09-20
dev.to
ai-agents · ↑ pos

Skills, not docs

A developer behind the @relax.js/core JavaScript library released an `init-agents` CLI command that writes seven Claude Code skill files into `.claude/skills/`, one per area of the framework, each stamped with the packag…

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