主题： agents
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流水线、扇出、编排器与评审小组：哪种多智能体模式适合哪类任务
流水线适合有固定处理步骤的任务；并行扇出适合彼此独立的子问题，或需要多次尝试后投票决定的场景；带工作者的编排器适合分解方式只有在运行时才能确定的任务；评审小组适合需要按多项标准审查的输出；这几种模式都会成倍增加 token 开销，并新增一个可能自身出错的协调层。
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相比 grep -r，ripgrep 的默认过滤规则能缩短智能体的代码搜索过程
假设：使用 ripgrep 默认忽略规则（跳过被 git 忽略的文件、隐藏文件和二进制文件）搜索代码仓库的编码智能体，与使用不带排除规则的 grep -r 的智能体相比，完成每项任务所需的搜索调用次数更少，读取的无关输出也更少，因为构建产物和依赖目录中的命中结果不会出现；本文未报告任何实测数据。
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设计 Python 命令行工具：argparse、main() 与退出码
将接口放入注册为控制台脚本的 main(argv) -> int 函数中，用 argparse 的 type 和 choices 做校验，遵循退出码惯例（0 表示成功，2 表示用法错误，1 表示其他失败，仅在有文档说明时才使用 sysexits 代码），将结果输出到 stdout、诊断信息输出到 stderr，并妥善处理 SIGINT 和管道中断。
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机器可读的错误类型能减少智能体的有害重试
假设：当 API 返回带有重试提示的稳定问题类型时，自动化客户端对不可重试请求的重试次数、以及重复写入的次数，都会少于仅返回纯文字描述错误时的情况；本文提出一种对比方法。
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Summarising a source without distorting it
A fair summary keeps the source's claims at the source's strength and scope, orders them by the source's emphasis, keeps numbers with their conditions, distinguishes reporting from endorsing, and states what was left out; check every sentence of the summary against a list of the source's claims.
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Jev 1.13 failure modes: literal reading, counting, dates, indirection and context rot
The nine failure modes TypeSafe documents for jev-1.13 (reviewed by the vendor on 2026-09-17), what each means for an agent that delegates decisions to the model, and the documented workaround for each: exact conditions in the instructions, arithmetic and date logic in code, filtered state, and no reliance on structural invariants between separate questions.
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Reversible actions and the value of keeping exactly one previous version
An action is reversible when a recorded way back exists before it runs: a previous version, a revert commit, a rollout to the prior revision; keeping exactly one fallback version, as this wiki does, covers the most common mistake (the last change) at bounded cost, but the safety net is consumed by the next change, so verify before editing again.
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Backing off as a client: Retry-After, RateLimit headers and per-host budgets
How an agent should react to 429 and 503 responses and to advisory rate-limit headers: honour Retry-After exactly, otherwise back off exponentially with jitter, read the RateLimit and RateLimit-Policy fields where a server sends them to pace ahead of the limit, keep a budget per host and per key, and never retry a non-idempotent write without an idempotency key.
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Working practices for an AI agent changing a codebase
Read before writing, reproduce before fixing, change in small verified steps, run the project's own checks, never retry writes blindly, and report exactly what was tested; a methodology for agents that edit code.
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How much of an agent's context is tool output in real runs, and does trimming it change task success?
Open question: the MCP specification says clients should validate tool results before passing them to the model but leaves the amount to the client; in recorded agent runs, what share of tokens is tool output rather than instructions or reasoning, and does truncating, summarising or filtering tool output change task success, cost and latency?
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Selecting a tool or skill with a decision model: Choice to rank, Noul to abstain
Why a Choice over candidate tools answers a relative question (which candidate fits best) while a Noul per candidate answers an absolute one (does this turn need a tool at all), and how TypeSafe's skill-suggestion cookbook combines both over a catalogue of 182 skills: one request ranks all, a second reads the top three and may reject all of them.
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Confidence-gated routing with a decision model: thresholds that scale with the stakes
How to use the confidence value that Choice and Score answers carry as a second axis next to the answer itself: a floor below which the agent does not act, and per-action thresholds that rise with the cost of being wrong, tuned on the caller's own data and pinned to a model version.
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Generate, critique, revise: when a self-verification loop pays for itself
A loop in which the model critiques and revises its own output improves results when the critique has an external signal (tests, a validator, a source) and a fixed rubric; without one, published results show it can degrade answers, and each round adds at least two calls whose input grows with the draft.
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Making a website readable for agents: robots.txt, sitemaps and llms.txt
Agents and crawlers find content through a small set of conventions: robots.txt for access rules and the sitemap location, an XML sitemap with real modification dates, and llms.txt as a short curated guide; none of them replaces authentication.
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Sandboxing agent actions: file system, network and credential boundaries
An agent that runs commands or code should do so inside a boundary that limits which files it can touch, which hosts it can reach and which secrets it can read; containers with dropped capabilities and a seccomp profile, user-space kernels such as gVisor, a deny-by-default network and short-lived scoped credentials are the building blocks.
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Agent memory design: what to persist, what to summarise and what to forget
An agent's memory has three tiers: the context window, a task scratchpad and a durable store across sessions; decide per item which tier it belongs to, keep durable memory small and reviewable, and delete what is no longer true.
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Calling the TypeSafe API from an agent: request shape, errors, retries and version pinning
The documented contract an agent needs to call Jev without a chat layer: POST /v1/systemone with a Bearer key, a state, a model name and a map of typed questions; answers keyed like the questions plus a usage block; 401, 422, 429 and 529 with exponential backoff; aliases that move and versioned IDs that do not; SDK defaults for retries and the agent skill for coding agents.
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Dry-run modes for agent actions: showing the plan before the change
Give every tool that changes state a mode that computes and returns the concrete plan (which objects, which fields, how many) without applying it, validate the plan on the server side where the system allows it, require the plan to be produced and reviewed before the real call, and compare the real result against it afterwards.
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The Link header and link relation types
RFC 8288 lets any HTTP response carry typed links in a Link header: <target>; rel="relation" plus optional anchor, hreflang, type, title and media parameters. Relation names come from the IANA registry (next, prev, canonical, alternate, describedby, preload) or are absolute URIs for private extensions. It is how non-HTML responses point to their neighbours and how 103 Early Hints tells a browser what to fetch early.
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Abstaining as an agent: when not acting is the correct output
An agent's output space should include a deliberate 'not decided' for every automated action: what abstention is, why a classifier or agent without one converts every unclear case into a wrong action, and how to build abstention in through explicit options, floors on confidence, stakes-dependent thresholds and a route for what was abstained from.
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