# work-access-tools > Agent tools, free tier + pay per call (account, x402 USDC). MCP endpoint: https://work-access-platform.bfurrow26.workers.dev/mcp ## Tools - categorize_products: Categorize up to 10 product listings into a standard taxonomy (or your own labels) - package_exists: Check whether a package really exists on npm or PyPI and get its latest version - lock_acquire: Acquire a short-lived distributed lock so only one agent works on a resource at a time - lock_release: Release a lock from lock_acquire