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Dev.to

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09:19
2026-10-09
dev.to
large-language-models

Haiku 5.5 Slashes Costs; New Agents Reshape Docs

Anthropic's Claude Haiku 5.5 cuts per-token pricing by 90% for requests under 100k tokens, but a new tokenizer inflates token counts roughly 30% per request and an adjustable effort dial can swing act…

09:14
2026-10-09
dev.to
agent-protocols

An Agent Lands on Your Homepage — What Can It Actually Read?

AgentBadge generated its entire machine-readable discovery surface from live code sources, publishing eleven manifests — including A2A agent-card.json, MCP server-card.json, llms.txt, and a did:web do…

09:14
2026-10-09
dev.to
developer-tools

Hello, vx

A developer released vx, an MIT-licensed task runner and content-addressed build cache for JavaScript monorepos built on Bun, with no paid cloud dependency. In a demonstration, eight tasks across four…

08:18
2026-10-09
dev.to
artificial-intelligence

OpenAI's 722 Math Proofs All Came From One Prompt

OpenAI uploaded 722 machine-generated math manuscripts to GitHub, all produced by an unreleased internal model that ran roughly three hours of ChatGPT Pro compute per problem across about 4,000 proble…

08:17
2026-10-09
dev.to
ai-crawlers

How to Stop Bad Bots and AI Scrapers

A developer has published a tutorial on using Aegis, an open-source, self-hosted web application firewall and reverse proxy, to block automated scrapers, AI training crawlers, and credential-stuffing …

07:44
2026-10-09
dev.to
ai-agents

Your AI Agent Followed the Rules. That's the Problem.

A developer observed an autonomous agent in production spending tokens outside its intended autonomy window because two decision paths in the system did not enforce identical conditions, allowing one …

07:44
2026-10-09
dev.to
ai-tools

I built Night Sky, Literally...

A developer built NightSky, an open-source web app that helps people find and observe all 88 constellations, using Three.js and WebGL for the interactive sky, D3 Celestial and Astronomy Engine for sta…

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