Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add nexus-research-lab/nexus --skill automationgit clone --depth 1 https://github.com/nexus-research-lab/nexusWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/nexus-research-lab/nexus/automation)<a href="https://agentmods.dev/skills/nexus-research-lab/nexus/automation"><img src="https://agentmods.dev/badge/skills/nexus-research-lab/nexus/automation/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/nexus-research-lab/nexus/automation"><img src="https://agentmods.dev/badge/skills/nexus-research-lab/nexus/automation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00076 | $0.00776 |
| Opus 5 | $0.00038 | $0.00388 |
| Sonnet 5 | $0.00015 | $0.00155 |
| Haiku 4.5 | $0.00008 | $0.00078 |
Grade A, and why
automation scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Nexus 自动化
Automation 使用宿主提供的 nexus.command,并绑定当前 owner、Agent、DM/Room/IM Session 与可选 job/run。不要声明或覆盖这些 identity,也不要通过 shell、其他管理入口或文件构造命令。
固定生命周期
-
每个新意图先调用 current contract:
{"domain":"automation","action":"contract"}严格遵守返回的 contract。不要探测命令路径、临时文件或环境变量。
-
只选择 current contract 实际列出的 operation。每次新输入前重新读取该 operation 的 exact contract,并把完整 closed object 直接放在
input字段中;不要落盘或通过 shell 转码。 -
query 使用
inspect。mutation 固定走inspect → plan → apply → verify:先定位唯一任务与 revision;检查 plan 的 normalized input、target、summary、risk、current_revision和plan_digest;apply 时复用同一结构化 input。 -
apply 使用 plan 的
current_revision和稳定 request ID,并由当前 Nexus/Room/IM 会话发起原生真人确认。没有真实 allow 就没有写入;plan 本身不代表用户批准或状态已改变。 -
apply 后用 fresh input inspect
get;执行/投递问题读取 runs、events 或 report。只按返回的 typed object 判断结果。
按当前动作读取参考
- list/get/runs/events/report 与 scheduled-run 只读范围:references/queries.md
- create/update/delete/run/retry_delivery、schedule 与投递语义:references/scheduled-tasks.md
只读取当前动作需要的参考;字段目录以 current contract 的 operation definition 为准。
权限边界
- 普通 Agent 只能管理自身任务;Room 自动绑定当前可信会话。外部 IM 默认绑定当前会话,也可以从 Nexus 桌面会话先查询
delivery_targets,再选择同一 Agent 的 active-paired 私聊。 - 不要猜或拼装 channel、account、target、thread、Session 或 DeliveryGrant。
delivery_session_key只能原样使用delivery_targets的当前返回值;它只是宿主验证的选择器,不是授权凭据。外部 IM 的空任务查询仍只覆盖当前会话。 - 后台 scheduled run 只有宿主绑定 job/run 的查询权限,不得创建、修改、运行或删除任务。
- apply 的确认只批准管理命令。任务运行时仍服从其 permission mode、工具 allow/deny 快照与持久审批;页面或 IM 的
/y、/a、/d只恢复对应 logical run,nexus.command不直接批准工具 permission request。 scripttask 属于人工控制面,Agent 不创建、修改、删除、修复或立即运行。
回复只说明真实变更、作用域、排程、投递和验证结果,不输出 capability、内部路由、权限快照或完整审计载荷。
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 10d ago First seen · 43 lines · 76 tokens per session scan A 8f11cb45fe00
automation is a skill published in the GitHub repository nexus-research-lab/nexus (145 stars, last pushed yesterday), licensed Apache-2.0. It adds 76 tokens to every session and 776 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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