Static worst-case token-budget analysis for LLM-agent workflows + signed budget certificates.
Connect Runs on your machine
claude mcp add costwright-mcp -e COSTWRIGHT_API_KEY=<COSTWRIGHT_API_KEY> -- npx -y [email protected]
{
"mcpServers": {
"costwright-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"COSTWRIGHT_API_KEY": "<COSTWRIGHT_API_KEY>"
}
}
}
}
{
"mcpServers": {
"costwright-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"COSTWRIGHT_API_KEY": "<COSTWRIGHT_API_KEY>"
}
}
}
}
{
"servers": {
"costwright-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"COSTWRIGHT_API_KEY": "<COSTWRIGHT_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 |
|---|---|
COSTWRIGHT_API_KEYOptional, secret | API key for costwright (RapidAPI key or direct Bearer). Only needed for check/certify; verify/pubkey are public. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 30 Jun 2026 |
| Last updated | 30 Jun 2026 |
| Registry name | io.github.hernaninverso/costwright-mcp |
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