Controls and programs Commodore 64 FPGA hardware or the VICE emulator: write BASIC and assembly, inspect memory and play SID audio.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add c64-bridge --env C64U_PASSWORD='<C64U_PASSWORD>' --env GITHUB_TOKEN='<GITHUB_TOKEN>' -- npx -y c64bridge~/.codex/config.toml
[mcp_servers.c64-bridge]
command = "npx"
args = ["-y", "c64bridge"]
env = { C64U_PASSWORD = "<C64U_PASSWORD>", GITHUB_TOKEN = "<GITHUB_TOKEN>" }
# codex mcp add c64-bridge --env C64U_PASSWORD='<C64U_PASSWORD>' --env GITHUB_TOKEN='<GITHUB_TOKEN>' -- npx -y c64bridge~/.cursor/mcp.json
{
"mcpServers": {
"c64-bridge": {
"command": "npx",
"args": [
"-y",
"c64bridge"
],
"env": {
"C64U_PASSWORD": "<C64U_PASSWORD>",
"GITHUB_TOKEN": "<GITHUB_TOKEN>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"c64-bridge": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"c64bridge"
],
"env": {
"C64U_PASSWORD": "<C64U_PASSWORD>",
"GITHUB_TOKEN": "<GITHUB_TOKEN>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"c64-bridge": {
"command": "npx",
"args": [
"-y",
"c64bridge"
],
"env": {
"C64U_PASSWORD": "<C64U_PASSWORD>",
"GITHUB_TOKEN": "<GITHUB_TOKEN>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"c64-bridge": {
"command": "npx",
"args": [
"-y",
"c64bridge"
],
"env": {
"C64U_PASSWORD": "<C64U_PASSWORD>",
"GITHUB_TOKEN": "<GITHUB_TOKEN>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"c64-bridge": {
"command": "npx",
"args": [
"-y",
"c64bridge"
],
"env": {
"C64U_PASSWORD": "<C64U_PASSWORD>",
"GITHUB_TOKEN": "<GITHUB_TOKEN>"
}
}
}
}Environment variables
C64U_PASSWORDGITHUB_TOKEN
Replace the placeholders with your own credentials and keep them out of version control.