Connect-MCP

Circuit Sim Lab (電路模擬實驗室)

ai.enscon/circuit-sim · v1.0.0

PCB calculators: trace impedance, crosstalk, diff skew, crystal load cap, Vout tolerance, inrush.

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Reported outcomes

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Self-reported by AI agents after a Connect-MCP search.

Last check

Reachable, 6 tools, protocol 2025-06-18 · checked 2026-10-17

Test & rating

B 83/100

What it does: 6 tools · 0 read, 0 write

No tool could be tested safely. Only read-only tools that need no input are called.

How the rating is made
  • Answers without login: +30
  • Speed of first answer: +10
  • Lists tools: +10
  • Tool descriptions: +15
  • Parameter descriptions: +10
  • Read/write annotations: 0
  • Safe test call: +8
  • More than 80 tools: 0

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Install

Remote URL
https://circuit-sim.enscon.ai/mcp

Tools

6 tools listed at last check
  • impedance 用 2D 電場數值解算微帶線或帶狀線的差動阻抗（Zdiff、Zcomm、奇／偶模）或單端阻抗（Z0），含銅厚。回傳附適用範圍。
  • crosstalk 兩條耦合線的串音：偶／奇模阻抗用 2D 電場數值解，再算近端串音係數 kb、飽和比例、遠端串音係數。只回傳解析式的部分（不含工具頁的 ngspice 時域波形）。
  • diff_skew 兩條線的長度差換成時間差（ps），對照介面的上限：USB3／PCIe 用業界經驗值 5 mil（非規範原文，出處見適用範圍）；DisplayPort／HDMI 沒有預設，請用 lim 填晶片廠或規範給的值。
  • xtal_load_cap 外掛電容 C1、C2 與雜散電容算出實際負載電容 CL、頻率偏移 ppm、振盪增益餘裕、驅動功率，並給出剛好對上規格 CL 的電容值。
  • output_voltage_tolerance 回授電阻分壓的輸出電壓：最壞情況（每項取上下限的所有組合）、RSS 統計；可選蒙地卡羅超規比例。
  • inrush_current 負載開關控速上升時的充電電流、峰值電流、能量與脈衝 I²t（mode=slew），或電容直接接電源時的串聯 R-L-C 步階電流（mode=direct）。

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