Implements Chain of Draft reasoning, producing minimal intermediate steps to cut token use while solving problems.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add chain-of-draft --env ANTHROPIC_API_KEY='<ANTHROPIC_API_KEY>' -- python3 /absolute/path/to/cod/server.py~/.codex/config.toml
[mcp_servers.chain-of-draft]
command = "python3"
args = ["/absolute/path/to/cod/server.py"]
env = { ANTHROPIC_API_KEY = "<ANTHROPIC_API_KEY>" }
# codex mcp add chain-of-draft --env ANTHROPIC_API_KEY='<ANTHROPIC_API_KEY>' -- python3 /absolute/path/to/cod/server.py~/.cursor/mcp.json
{
"mcpServers": {
"chain-of-draft": {
"command": "python3",
"args": [
"/absolute/path/to/cod/server.py"
],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"chain-of-draft": {
"type": "stdio",
"command": "python3",
"args": [
"/absolute/path/to/cod/server.py"
],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"chain-of-draft": {
"command": "python3",
"args": [
"/absolute/path/to/cod/server.py"
],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"chain-of-draft": {
"command": "python3",
"args": [
"/absolute/path/to/cod/server.py"
],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"chain-of-draft": {
"command": "python3",
"args": [
"/absolute/path/to/cod/server.py"
],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}Environment variables
ANTHROPIC_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.