Optimize prompts and generate agent SOPs and skill packages with the Prompt Optimizer cloud API.
Connect Runs on your machine
claude mcp add mcp-prompt-optimizer -e OPTIMIZER_API_KEY=<OPTIMIZER_API_KEY> -- npx -y [email protected]
{
"mcpServers": {
"mcp-prompt-optimizer": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"OPTIMIZER_API_KEY": "<OPTIMIZER_API_KEY>"
}
}
}
}
{
"mcpServers": {
"mcp-prompt-optimizer": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"OPTIMIZER_API_KEY": "<OPTIMIZER_API_KEY>"
}
}
}
}
{
"servers": {
"mcp-prompt-optimizer": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"OPTIMIZER_API_KEY": "<OPTIMIZER_API_KEY>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
OPTIMIZER_API_KEYRequired, secret | Your Prompt Optimizer API key (starts with sk-opt-). A free key takes no card: https://promptoptimizer.xyz/dashboard |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 7 Nov 2026 |
| Last updated | 7 Nov 2026 |
| Registry name | io.github.nivlewd1/mcp-prompt-optimizer |
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