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Product

The Model Context Protocol (MCP) is an open standard that enables AI agents to interact with external services. It provides a unified way for AI systems to securely discover and call tools exposed by MCP servers. Learn more at modelcontextprotocol.io.
MCP Blacksmith generates production-ready MCP servers from OpenAPI specifications. Upload a specification, and get complete Python code with authentication, security, and validation — ready to deploy anywhere. See About for more.
Yes. You own all generated code outright. Use it for personal projects, commercial products, client work — no attribution required, no royalties, no restrictions.
Anywhere you can run Python 3.11+. Self-host on your infrastructure, deploy to any cloud, run in Docker, or use MCP Armory for managed hosting. See Self-Hosting for deployment options.
Python, using the FastMCP framework and Pydantic for validation. TypeScript generation is on the roadmap.
Any MCP-compatible client — AI assistants, IDEs with AI features, agent frameworks, and custom applications. Generated servers support stdio, SSE, and streamable-http transports. See Connecting to AI Agents for setup instructions.
For supported specification formats, see Specification Upload. For details on authentication, security, and customization, see Your Generated Server.

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Pricing

Yes. Base server generation and the Metadata Filter are free — no credits required. You only pay for AI-driven enhancement passes (parameter curation, description optimization). See Pricing for details.
Credits are consumed only when using AI-driven enhancement passes. Credit usage depends on the number of operations and parameters being optimized. The Metadata Filter is always free. No subscriptions — buy credits when you need them, use them at your own pace. Credits are valid for 1 year. See Pricing for details.
Free generation and the Metadata Filter always work. Only AI-driven enhancement passes are blocked when you have insufficient credits. Your existing generated servers remain fully accessible.
For details on what each pass does, see Enhancement Passes.
Have more questions? Visit our FAQ or contact us.