MCP check_npm_license: npm license triage for coding agents — call immediately before npm install, yarn add, or pnpm add.
MCP check_npm_license: npm license triage for coding agents — call immediately before npm install, yarn add, or pnpm add. Returns npm-declared license, SPDX id, and permissive-default compatible (yes | no | unknown) so the agent can proceed, swap package, or escalate. Not SBOM, not legal advice. Free taste: GET /license/check/preview (same JSON, $0), then pay GET /license/check or MCP check_npm_license for the package you will install.
| Method | Endpoint | Price | Description |
|---|---|---|---|
POST | /v1/marketplace/api/mcp-license | $0.00115 | Invoke Mcp License (Developer) and return the upstream response. |
Requests are paid per call over the x402 protocol. Call the endpoint, receive a 402 Payment Required quote, then repeat the request with the signed payment header. The SDKs do both steps for you.
# 1. Ask for a quote
curl -i -X POST https://api.jarvisclaw.ai/v1/marketplace/api/mcp-license \
-H 'Content-Type: application/json' \
-d '{}'
# 2. Pay it (the SDK signs and retries for you)
curl -X POST https://api.jarvisclaw.ai/v1/marketplace/api/mcp-license \
-H 'Content-Type: application/json' \
-H 'X-PAYMENT: <signed-payload>' \
-d '{}'
Open in the marketplace
Docs: Getting started · x402 payments · x402 discovery · All APIs