Optimizing compiler for agent tools: many MCP servers or REST APIs in, one lean endpoint out.
Connect Runs on your machine
claude mcp add toolc -e ANTHROPIC_API_KEY=<ANTHROPIC_API_KEY> -- npx -y @toolc/[email protected]{
"mcpServers": {
"toolc": {
"command": "npx",
"args": [
"-y",
"@toolc/[email protected]"
],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}{
"mcpServers": {
"toolc": {
"command": "npx",
"args": [
"-y",
"@toolc/[email protected]"
],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}{
"servers": {
"toolc": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@toolc/[email protected]"
],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_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 |
|---|---|
ANTHROPIC_API_KEYOptional, secret | Enables the LLM-assisted compile passes (rewrite, consolidate). Without it, toolc serves a mirror of the original tool surface. |
Details
| Package | @toolc/[email protected] (NPM, stdio) |
| First published | 15 Sep 2026 |
| Last updated | 15 Sep 2026 |
| Registry name | dev.toolc/toolc |
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