VCD Waveform Analyzer
V

VCD Waveform Analyzer

A Model Context Protocol (MCP) server for processing VCD waveform files, providing signal extraction tools to help analyze large waveform files
2.5 points
6.0K

What is mcp-vcd?

mcp-vcd is a Model Context Protocol (MCP) server specifically designed for processing Value Change Dump (VCD) waveform files. It allows AI models to efficiently access and analyze waveform data generated by large digital circuit simulations without loading the entire file.

How to use mcp-vcd?

You can query the changes of specific signals within a specified time range through simple commands, which is suitable for use with AI models to analyze circuit behavior.

Applicable scenarios

Scenarios that require processing large VCD waveform files, such as digital circuit design verification, hardware debugging, and signal timing analysis.

Main features

Signal change query
It can extract all change values of the specified signal name in the waveform file and supports time range filtering.
Large file support
Specifically optimized for processing large VCD files that cannot fit entirely into the model context window.
Advantages
Efficiently process large VCD files without loading the entire content
Accurately extract the change data of specific signals
Support time range filtering to improve analysis efficiency
Limitations
Only support VCD format waveform files
Need to know the signal name in advance to query
Time range filtering requires knowledge of the time scale of the waveform

How to use

Install mcp-vcd
Install the mcp-vcd server using the uv package manager
Configure the Claude desktop client
Add the mcp-vcd server configuration to claude_desktop_config.json
Use the get-signal tool
Send a request through the AI model to query the change data of specific signals

Usage examples

Analyze the clock signal
Check the frequency and duty cycle of the clock signal throughout the simulation cycle
Debug signal anomalies
Find abnormal signal changes within a specific time range

Frequently Asked Questions

Which waveform file formats does mcp-vcd support?
How can I know which signals are in the waveform file?
What is the unit of the time range?

Related resources

MCP official documentation
The official usage guide for the Model Context Protocol
GitHub repository
Project-related resources
VCD format description
The Wikipedia description of the Value Change Dump format

Installation

Copy the following command to your Client for configuration
"mcpServers": {
  "mcp-vcd": {
    "command": "uv",
    "args": [
      "run",
      "mcp-vcd"
    ]
  }
}
Note: Your key is sensitive information, do not share it with anyone.

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