How to install Ethereum Transaction Builder in VS Code
To install Ethereum Transaction Builder in VS Code, click "Add to VS Code" on this page or add the "ethereum-transaction-builder" block under "servers" in .vscode/mcp.json, then pick it in Copilot Chat agent mode.
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One click (fastest)
Click the button to open VS Code with this server ready to install.
Add Ethereum Transaction Builder to VS Code - 2
Or add it by hand
Create .vscode/mcp.json and paste this. Note that VS Code uses "servers", not "mcpServers".
{ "servers": { "ethereum-transaction-builder": { "command": "uvx", "args": [ "transaction-mcp-server" ] } } } - 3
Start it in Copilot Chat
Open Copilot Chat in Agent mode and pick the server from the tools menu.
Config file: .vscode/mcp.json in your workspace
MCP servers run with your permissions. If Ethereum Transaction Builder needs an API key, add it under env in the config. Check its README.
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Questions
Does Ethereum Transaction Builder work in VS Code?
Yes. VS Code supports local and remote mcp servers in copilot agent mode, and Ethereum Transaction Builder installs with the steps above.
Ethereum Transaction Builder does not show up in VS Code. What now?
Restart VS Code fully, check the JSON is valid, and make sure uv (for uvx) is installed. See common MCP errors and fixes.
Is Ethereum Transaction Builder safe?
It scores 67 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.
