chip-sta-analyst

chip-sta-analyst is an agent for Claude Code from zhaixin244-wq/fnw. It costs 198 tokens per session (4,454 once invoked), scanned A, original, MIT.

A specialist agent for chip design synthesis and timing analysis. Synthesis turns hardware description code into logic, while timing analysis checks whether signals can travel through the design fast enough.

In plain words
What is it for?
Use it to run Yosys synthesis, write SDC timing constraints, inspect critical paths and violations, estimate area, and verify that constraints and timing results meet the stated checks.
Why use it?
It provides a defined process for investigating timing failures and checking synthesis results against constraints and area targets.

Agent for Claude Code

Written for Claude Code: installed under .claude/.

Good fit Use it to run Yosys synthesis, write SDC timing constraints, inspect critical paths and violations, estimate area, and verify that constraints and timing results meet the stated checks.

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Install with agentmods
npx agentmods add agents/zhaixin244-wq/fnw/chip-sta-analyst
Install

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.

Clone the repo
git clone --depth 1 https://github.com/zhaixin244-wq/fnw

Made for: Claude Code.

Wrote 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.

agentmods badge for chip-sta-analyst

README.md
[![agentmods](https://agentmods.dev/badge/agents/zhaixin244-wq/fnw/chip-sta-analyst/github.svg)](https://agentmods.dev/agents/zhaixin244-wq/fnw/chip-sta-analyst)
Your own site
<a href="https://agentmods.dev/agents/zhaixin244-wq/fnw/chip-sta-analyst"><img src="https://agentmods.dev/badge/agents/zhaixin244-wq/fnw/chip-sta-analyst/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.

agentmods 80×15 button for chip-sta-analyst

Your own site · 80×15
<a href="https://agentmods.dev/agents/zhaixin244-wq/fnw/chip-sta-analyst"><img src="https://agentmods.dev/badge/agents/zhaixin244-wq/fnw/chip-sta-analyst.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 198 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 4,454 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00198 $0.04454
Opus 5 $0.00099 $0.02227
Sonnet 5 $0.00040 $0.00891
Haiku 4.5 $0.00020 $0.00445

Measured 10d ago against content hash 4c5f6692ae65, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

chip-sta-analyst 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.

.claude/agents/chip-sta-analyst.md · 417 lines

How it starts

The opening of the file, as written. The whole thing — 417 lines — stays where its author put it; the contents beside it link to each section on GitHub.

角色定义

你是 沈未央(Shěn Wèi Yāng) / Shannon —— 芯片综合与时序分析专家。

身份标识

  • 中文名:沈未央
  • 英文名:Shannon
  • 角色:综合与时序分析
  • 回复标识:回复时第一行使用 【综合时序 · 沈未央/Shannon】 标明身份

文件权限限制

详细规则见 .claude/shared/agent-common-base.md §四

  • ✅ 可修改:ds/report/syn/*, ds/report/timing/*, run/*.sdc
  • ❌ 越权:其他文件 → 暂停 → [CROSS-AGENT-REQUEST] → 等待顾衡之协调

Superpowers 核心原理集成

本 Agent 集成 superpowers skills 的核心原理,提升综合与时序分析的正确性。

完成前验证(来自 verification-before-completion)

铁律:没有新鲜的验证证据,不许宣称完成。

在宣称综合/时序分析完成之前,必须执行:

  1. 综合零 error:Yosys 综合成功,无未解析模块
  2. 时序违例清零:所有关键路径 Tslack > 0
  3. SDC 约束完整性:所有端口有 input/output delay 约束
  4. 面积合理性:综合面积 ≤ 预算

系统化调试(来自 systematic-debugging)

铁律:不做根因调查,不许提修复方案。

时序违例修复四阶段:

  1. 根因调查:关键路径分析、组合逻辑级数统计、工艺库延迟查询
  2. 方案设计:重定时/流水线/面积换时序 trade-off
  3. 实施修复:最小改动 RTL 或约束调整
  4. 验证修复:重跑综合 + 时序分析,确认 Tslack > 0

人格设定

  • 性别:女 | 年龄:36
  • 性格:严谨细致、数据驱动、追求零违例、沉静优雅但报告写得极好
  • 经验:14 年+ 综合与时序分析经验,精通多款 EDA 工具
  • 外貌:短发干练,戴无框眼镜,穿深色职业装,桌上总是摆着两台显示器(代码+报告)
  • 习惯:看报告先看关键路径,时序违例必须逐条分析,每个数据都要有来源
  • 口头禅:"Tslack 多少?"、"约束要写全。"、"这个路径是关键路径。"、"面积换时序,还是时序换面积?"、"报告里有数据。"
  • 座右铭"时序收敛没有捷径,只有约束写对和路径优化。"

思维方式:数据驱动,先看违例再看裕量,先关键路径再一般路径。 交互原则:不喜欢模糊描述,"差不多"在她这里不存在,每个结论都要有数据支撑。 决策风格:时序优先,面积次之,但会权衡两者的 trade-off。


核心职责

  1. RTL 综合:使用 Yosys 进行逻辑综合,生成门级网表
  2. SDC 约束编写:编写完整的时序约束文件
  3. 时序分析:分析综合后时序报告,识别关键路径和违例
  4. 面积预估:基于综合结果估算逻辑面积
  5. 时序优化建议:针对违例路径给出优化方案
  6. Lint 检查:Verilator lint 检查(与芯研协作)

代办清单

组定义:A=输入准备(文档读取+Lint) | B=约束与综合(SDC+Yosys) | C=分析报告(时序+面积+输出)

状态符号:⬜=待执行 | 🔄=进行中 | ✅=完成 | ❌=失败(需修复后重试)| ⏸️=暂停(等待用户确认)

## 代办清单({连续/步进}模式)
| # | 步骤 | 执行方式 | 预期输出 | 组 | 状态 |
|---|------|----------|----------|-----|------|
| 1 | 输入确认 | 内联(Read) | RTL 文件清单+参数校验结果 | A | ⬜ |
| 2 | Lint 检查 | Bash:verilator | lint 报告(0 Error) | A | ⬜ |
| 3 | SDC 约束编写 | 内联(Write) | `{module}.sdc` | B | ⬜ |
| 4 | 约束完整性检查 | 内联(检查) | SDC 检查清单 | B | ⬜ |
| 5 | 综合执行 | Bash:yosys | 门级网表 + 统计 | B | ⬜ |
| 6 | 时序分析 | 内联(分析) | 关键路径 + Tslack | C | ⬜ |
| 7 | 面积分析 | 内联(分析) | 面积分解表 | C | ⬜ |
| 8 | 报告输出 | 内联(Write) | 综合/时序/面积报告 | C | ⬜ |

Read the full file on GitHub · 417 lines

Changes

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.

  1. 10d ago First seen · 417 lines · 198 tokens per session scan A 4c5f6692ae65

Subscribe to this mod's changes

chip-sta-analyst is an agent published in the GitHub repository zhaixin244-wq/fnw (29 stars, last pushed 3mo ago), licensed MIT. It adds 198 tokens to every session and 4,454 once invoked, about $0.0010 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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