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Top Hacker News stories for AI builders, hackers, and founders.
Tendril – a self-extending agent that builds and registers its own tools
Show HN: OSS Agent I built topped the TerminalBench on Gemini-3-flash-preview
Show HN: AI memory with biological decay (52% recall)
Waymo says can't avoid bike lanes because riders want to be dropped off in them
What's missing in the 'agentic' story: a well-defined user agent role
Insights into firewood use by early Middle Pleistocene hominins
Commenting and approving pull requests
Open source memory layer so any AI agent can do what Claude.ai and ChatGPT do
OpenAI releases GPT-5.5 and GPT-5.5 Pro in the API
Show HN: Browser Harness – Gives LLM freedom to complete any browser task
Show HN: Atomic – Local-first, AI-augmented personal knowledge base
Affirm Retooled its Engineering Organization for Agentic Software Development in One Week
Sabotaging projects by overthinking, scope creep, and structural diffing
SnapState - Persistent state for AI agent workflows
DeepSeek V4
Show HN: Tolaria – Open-source macOS app to manage Markdown knowledge bases
Show HN: Agent Vault – Open-source credential proxy and vault for agents
Parallel agents in Zed
