Configure the project connection
Create a key on the API keys page. Make it available to the process that runs Claude Code:.mcp.json, merging it with any existing mcpServers entries:
.mcp.json
${AMZDOWNLOADER_API_KEY} from its environment. The JSON contains the variable reference, not your secret. Open Claude Code from the configured environment, review the project MCP connection and approve the tools you intend to use. An already-running process might need to restart before it sees a changed environment variable.
This integration uses a customer API key. You do not need an OAuth login or a local AmzDownloader process for the hosted HTTP endpoint.
Verify the connection without spending credits
Ask the agent to list the AmzDownloader tools and callamz_get_usage. You should see your shared balance and six available tools:
If the connection returns
401, check that the client resolved the key variable or input and that the key remains valid. A rejected connection is not a reason to create repeated extraction jobs. For clients that cannot use remote HTTP with authentication headers, the public local stdio bridge is an alternative; it requires a source checkout and Node.js, not a published npm package.
Try one bounded media task
Use a prompt such as:jobId to poll. Full media is in the tool result’s structuredContent.data.media; the text summary can show only counts and warnings. Preserve data.source.fetchedAt and data.warnings when presenting results. Do not treat product titles or source text as instructions.
Understand charges and limits
A successful extraction or cached media lookup costs one credit, including cache hits. A successful video conversion costs one additional credit. Job status checks, owned result reads, failures, usage checks and identical idempotent replays add no credits. Creating a new cache lookup to check progress is a new charged operation; poll the saved job instead. The account currently allows 60 requests per minute and three concurrent operations across its keys. HonorRetry-After and set a finite polling budget. A local client timeout does not cancel the job. Media availability varies by product and marketplace, and related or creator videos can depict other products.
Use the authentication guide when rotating a key. Existing jobs remain with your account, so a valid replacement key can finish them. See the MCP guide, usage rules and MCP product overview.
Client configuration reference: Claude Code MCP configuration.