Notes on agents, backends, and the full stack.https://duangblog-air.pages.dev/enhttps://duangblog-air.pages.dev/posts/building-always-on-agents/https://duangblog-air.pages.dev/posts/building-always-on-agents/常驻 Agent 大部分时间在休眠。Anthropic 把连续性放在收件箱、定时器、记忆、权限和发件箱上。Sat, 14 Nov 2026 04:50:00 GMThttps://duangblog-air.pages.dev/posts/code-mode-one-exec/https://duangblog-air.pages.dev/posts/code-mode-one-exec/Philipp Schmid 判断，构建一个能力强的 Agent，正在从设计一堆工具，收成一个 exec(code)。模型在沙箱里写脚本，把一串动作一次走完。Tue, 03 Nov 2026 11:10:00 GMThttps://duangblog-air.pages.dev/posts/deepseek-super-agent/https://duangblog-air.pages.dev/posts/deepseek-super-agent/DeepSeek Harness 那篇长文判断，现有 Agent 的上限已经被人的注意力卡住。一个人通常只能同时跟进 3 到 5 个活跃 Session。Sat, 31 Oct 2026 18:00:00 GMThttps://duangblog-air.pages.dev/posts/cursor-agent-sdk-folder/https://duangblog-air.pages.dev/posts/cursor-agent-sdk-folder/2026-10-20，Cursor Agent SDK 正式 GA。一个 agent 是装满 Markdown 和 TypeScript 的文件夹，指令文件变成可部署程序的入口。Fri, 30 Oct 2026 07:50:00 GMThttps://duangblog-air.pages.dev/posts/proactive-agents-cron-prompt/https://duangblog-air.pages.dev/posts/proactive-agents-cron-prompt/Harrison Chase 那条推文说破了：主动式 Agent 的记忆、主动、分流、提醒和编排，都是定时跑一段 prompt。Fri, 30 Oct 2026 06:30:00 GMThttps://duangblog-air.pages.dev/posts/agent-relay-claude-codex/https://duangblog-air.pages.dev/posts/agent-relay-claude-codex/只发一句话，Claude Code 写完代码直接叫 Codex 审查。Agent Relay 让两个 CLI agent 自己来回两轮，人只负责开口和验收。Thu, 29 Oct 2026 17:10:00 GMThttps://duangblog-air.pages.dev/posts/claude-projects-from-folder-to-conversation/https://duangblog-air.pages.dev/posts/claude-projects-from-folder-to-conversation/2026-09-17，Anthropic 把 Claude Projects 从放资料的文件夹改成一场对话。你说目标，Claude 拆成并行线程在云端跑完再汇合。Tue, 20 Oct 2026 19:25:00 GMThttps://duangblog-air.pages.dev/posts/claude-managed-agents-dynamic-workflows/https://duangblog-air.pages.dev/posts/claude-managed-agents-dynamic-workflows/2026-10-09，Anthropic 把 Claude Managed Agents 的动态工作流推到公开 Beta。lead agent 自己写 workflow，服务端按阶段跑完再合并。Sat, 10 Oct 2026 12:40:00 GMThttps://duangblog-air.pages.dev/posts/pstack-skill-system/https://duangblog-air.pages.dev/posts/pstack-skill-system/Lauren Tan 的 pstack 把做事方式拆成入口、环节 skill 和 24 条可点名的原则。本文顺着 lukasen 的拆解，讲这套设计，以及怎么照做一套。Wed, 07 Oct 2026 10:30:00 GMThttps://duangblog-air.pages.dev/posts/code-mode-lineage/https://duangblog-air.pages.dev/posts/code-mode-lineage/2025 年 9 月 Cloudflare 提出 Code Mode。工具转成 TypeScript API，模型写代码在沙箱里调用。2026 年 9 月 Pi 和 OpenCode 把它做成了产品。Tue, 06 Oct 2026 16:40:00 GMThttps://duangblog-air.pages.dev/posts/harness-engineering-anatomy/https://duangblog-air.pages.dev/posts/harness-engineering-anatomy/2026 年 7 月的一篇源码解剖把 11 个 coding agent 的 harness 拆开。Agent 等于模型加 harness，竞争落在运行时上。Tue, 06 Oct 2026 05:30:00 GMThttps://duangblog-air.pages.dev/posts/multi-harness-rl/https://duangblog-air.pages.dev/posts/multi-harness-rl/2026-10-01，Hugging Face 放出多 harness 强化学习指南。小模型在四个 harness 里一起训练，留出任务解决率从 42% 升到 54%。Sat, 03 Oct 2026 08:20:00 GMThttps://duangblog-air.pages.dev/posts/claude-code-mods/https://duangblog-air.pages.dev/posts/claude-code-mods/2026-10-01，Anthropic 给 Claude Code 加上 mods。插件里的函数跑在进程内，可以观察、改写或接管事件。Fri, 02 Oct 2026 18:40:00 GMThttps://duangblog-air.pages.dev/posts/pi-durable-harness/https://duangblog-air.pages.dev/posts/pi-durable-harness/2026-10-01，Pi 1.0 同日公开了实验包 Pi Durable。持久化写进 harness 的存储层，用来接住跨天、跨会话还在跑的 Agent。Fri, 02 Oct 2026 05:10:00 GMThttps://duangblog-air.pages.dev/posts/production-agent-handbook/https://duangblog-air.pages.dev/posts/production-agent-handbook/从可验收的规格写到上线检查。先交出一个能停、能说明失败、能重放的单 Agent，再按真实风险加组件。Thu, 01 Oct 2026 04:20:00 GMThttps://duangblog-air.pages.dev/posts/personal-ai-four-way/https://duangblog-air.pages.dev/posts/personal-ai-four-way/2026 年 9 月，Personal AI 收成四方。Muse 押模型与分发，Today AI 押状态，Manus/Cue 押身份，Dots 押常驻和治理。共同点是都活在一台持续运行的机器上。Wed, 30 Sep 2026 09:20:00 GMThttps://duangblog-air.pages.dev/posts/personal-ai-four-way-en/https://duangblog-air.pages.dev/posts/personal-ai-four-way-en/In September 2026 Personal AI settled into four bets. Muse bets on models and distribution, Today AI on state, Manus/Cue on identity, Dots on always-on agents and governance. All four live on a machine that stays running.Wed, 30 Sep 2026 09:20:00 GMThttps://duangblog-air.pages.dev/posts/agents-md-vibe-coding/https://duangblog-air.pages.dev/posts/agents-md-vibe-coding/AGENTS.md 要短、要人工写、只放 agent 猜不到的东西。从零做项目先写 spec，每次一小步，每步可测再 commit。Tue, 29 Sep 2026 07:00:00 GMThttps://duangblog-air.pages.dev/posts/cli-human-agent-design-2026/https://duangblog-air.pages.dev/posts/cli-human-agent-design-2026/2026 年 CLI 同时服务人与 Agent。整理可发现性、结构化输出、DX 与 AX 双模式，以及落地建议。Sun, 27 Sep 2026 19:00:00 GMThttps://duangblog-air.pages.dev/posts/ai-driven-code-modernization/https://duangblog-air.pages.dev/posts/ai-driven-code-modernization/Anthropic 六步准备代码现代化：目标、证书、晋升策略、前置条件、工作流、运行。组织动员比写代码更难。Sat, 26 Sep 2026 19:00:00 GMThttps://duangblog-air.pages.dev/posts/claude-ai-3x-faster-two-weeks/https://duangblog-air.pages.dev/posts/claude-ai-3x-faster-two-weeks/Anthropic 两周把 claude.ai 平均提速约 3 倍。拆测量、棘轮、Slack 线程循环，以及人还要盯的野心、品味和方向。Sat, 26 Sep 2026 08:00:00 GMThttps://duangblog-air.pages.dev/posts/claude-tag-slack-teammate/https://duangblog-air.pages.dev/posts/claude-tag-slack-teammate/Anthropic 把 Claude 做成 Slack 里的组织级队友：频道委托、跨天记忆、主动跟进。拆形态、机制、治理和还没回答的问题。Sat, 26 Sep 2026 06:30:00 GMThttps://duangblog-air.pages.dev/posts/benchmaxxing-faster-than-sota/https://duangblog-air.pages.dev/posts/benchmaxxing-faster-than-sota/Max Woolf 让 Agent 把 Rust 迭代到比 SOTA 库更快。拆 Benchmaxxing 管线、防作弊约束和验收循环。Thu, 24 Sep 2026 20:30:00 GMThttps://duangblog-air.pages.dev/posts/today-ai-personal-agent-os/https://duangblog-air.pages.dev/posts/today-ai-personal-agent-os/前豆包 PC 负责人齐俊元的 Today AI，围绕用户而不是任务组织一套个人 Agent 系统。拆记忆、主动性和它还没回答的问题。Thu, 24 Sep 2026 19:00:00 GMThttps://duangblog-air.pages.dev/posts/agent-memory-across-sessions/https://duangblog-air.pages.dev/posts/agent-memory-across-sessions/跨会话、跨天的记忆不是模型能力，是可落盘、可查询、可审计的外部状态，外加一个让状态不腐烂的整理机制。Wed, 23 Sep 2026 09:40:00 GMThttps://duangblog-air.pages.dev/posts/long-horizon-agent-four-routes/https://duangblog-air.pages.dev/posts/long-horizon-agent-four-routes/上下文窗口留不住跨会话状态。对照 Anthropic、Codex、Salesforce 和 LoopX，看目标与进度被放到了哪里。Wed, 23 Sep 2026 08:57:00 GMThttps://duangblog-air.pages.dev/posts/jev-engineering-kv-cache/https://duangblog-air.pages.dev/posts/jev-engineering-kv-cache/KV cache 让 agent 只会往对话后面追加。按 TypeSafe 的 Jev 笔记，把上下文改成每轮组装的状态。Wed, 23 Sep 2026 07:50:00 GMThttps://duangblog-air.pages.dev/posts/cursor-agents-better-engineers/https://duangblog-air.pages.dev/posts/cursor-agents-better-engineers/不要把 Agent 当成更会写代码的聊天框。按 Lauren Tan 的分享，把技能、上下文、验证和评测收成可执行的工程系统。Sat, 12 Sep 2026 13:30:00 GMThttps://duangblog-air.pages.dev/posts/ai-native-sdlc-playbook/https://duangblog-air.pages.dev/posts/ai-native-sdlc-playbook/写代码变快之后，流程没跟上。按 Anthropic 手册把六个阶段和那套门、hook、eval 拆开，并记下判断。Fri, 04 Sep 2026 06:50:00 GMThttps://duangblog-air.pages.dev/posts/deepseek-harness-plugin-runtime/https://duangblog-air.pages.dev/posts/deepseek-harness-plugin-runtime/DeepSeek 开源的 dsh：Model + Harness = Agent。Cordis 驱动，一切皆插件；对照官方架构与源码，从介绍、内核、范式、生态到上手。Thu, 20 Aug 2026 09:20:00 GMThttps://duangblog-air.pages.dev/posts/mcp-draft-session-handshake-removed/https://duangblog-air.pages.dev/posts/mcp-draft-session-handshake-removed/本文整理自 MCP 官方规范草案变更日志，对比 2025-11-25 版本，重点看会话、握手、MRTR 和迁移影响。Tue, 28 Jul 2026 08:00:00 GMThttps://duangblog-air.pages.dev/posts/mcp-draft-session-handshake-removed-en/https://duangblog-air.pages.dev/posts/mcp-draft-session-handshake-removed-en/Notes from the official MCP spec draft's changelog, compared against the 2025-11-25 version, focused on sessions, the handshake, MRTR, and migration impact.Tue, 28 Jul 2026 08:00:00 GMT