1
Arcade
Arcade is a platform dedicated to AI agent tool calling, specifically leveraging the Model Context Protocol (MCP) with a dedicated tool execution engine and an SDK for custom tool development.
AI Tool
Smithery Review
Smithery is a marketplace for Model Context Protocol (MCP) servers, enabling AI agents to connect to external services and extend their capabilities.
shipped Apr 2, 2026aifreemium
1Smithery supported over 7,600 extensions as of June 2025, facilitating AI agent integration.
2A critical path traversal vulnerability affecting over 3,000 hosted MCP servers was addressed on June 15, 2025.
3CLI updates to versions 1.1.0 and 1.0.1 were released in May 2026, enhancing deployment and authentication.
4Research from March 28, 2026, using Smithery's registry data, indicated 73% of 4,162 scanned MCP servers lacked proper tool definitions.
Smithery at a Glance
About Smithery
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Connect
overview
What is Smithery?
Smithery is an AI agent integration platform developed by Smithery AI that enables AI agent developers and developers creating agentic services to discover, deploy, and manage agentic services that adhere to the Model Context Protocol (MCP). It serves as a centralized hub for integrating language model agents with external tools and data sources, simplifying tool configurations and interfaces. The platform acts as a registry and management system for MCP servers, which function as APIs or plugins to extend the functionalities of large language models (LLMs) like Claude or GPT. This enables AI agents to perform real-world actions such as querying databases, browsing web pages, or interacting with business applications, moving beyond conversational capabilities.
quick facts
Quick Facts
| Attribute | Value |
|---|---|
| Developer | Smithery AI |
| Business Model | Freemium |
| Pricing | Freemium with rate limits; individual Model Context Protocol (MCP) servers may have usage-based pricing, such as the 'rate-limit-manager' at $0.001 per request. |
| Platforms | Web, CLI |
| API Available | Yes |
| Integrations | GitHub, Google Sheets, Slack, PostgreSQL, Exa Search, Browserbase, Notion, Gmail, YouTube |
| API Docs URL | https://smithery.ai/docs/clients/overview |
| GitHub | https://github.com/smithery-ai |
features
Key Features of Smithery
Smithery provides a comprehensive suite of features designed to streamline the development and deployment of AI agents with extended capabilities. These features focus on connectivity, management, and standardization within the Model Context Protocol (MCP) ecosystem.
- 1Connect to thousands of Model Context Protocol (MCP) tools, expanding AI agent functionality.
- 2Manage OAuth and session authentication for external services, including automatic token refresh and zero OAuth configuration.
- 3Utilize a Command Line Interface (CLI) for simplified integration, authentication, and deployment of MCP servers.
- 4Access pre-built workflows to define and automate complex agent behaviors.
- 5Leverage observability features for published tools, enabling monitoring of agent interactions and performance.
- 6Host and distribute MCP servers, supporting both local and remote deployment options.
- 7Standardize tool configurations and interfaces for AI applications, reducing integration complexity.
use cases
Who Should Use Smithery?
Smithery is primarily designed for developers and organizations engaged in building and deploying advanced AI agents that require interaction with external services and data. Its architecture supports the Model Context Protocol (MCP), making it suitable for specific use cases in AI development.
- 1AI agent developers: For discovering and deploying pre-configured MCP-compliant agentic services to extend their AI agents' capabilities.
- 2Developers creating agentic services: For hosting and distributing their custom MCP servers, making them discoverable and usable by other AI agents.
- 3Organizations integrating language model agents: To connect LLMs with external tools and data sources such as GitHub, PostgreSQL databases, web browsers, or enterprise applications.
- 4Teams seeking to standardize AI tool integration: To simplify the often complex and custom process of building integrations for AI applications, ensuring consistent interfaces and configurations.
pricing
Smithery Pricing & Plans
Smithery operates on a freemium business model, offering access to its core functionalities with specific limitations. The pricing structure is designed to accommodate basic usage while allowing for scaling through individual Model Context Protocol (MCP) server offerings.
- 1Freemium: Free usage for basic MCP servers, subject to rate limits. Specific rate limits for the general Smithery Connect API are not publicly detailed.
- 2Individual MCPs: Certain individual MCPs available through the platform may have their own usage-based pricing. An example is the 'rate-limit-manager' MCP, which is priced at $0.001 per request.
competitors
Smithery vs Competitors
Smithery AI operates within a competitive landscape of platforms focused on AI agent integration and tool marketplaces. Its primary differentiation lies in its dedicated focus on the Model Context Protocol (MCP) for standardizing agentic service connections.
1
Arcade↗
Arcade is a platform dedicated to AI agent tool calling, specifically leveraging the Model Context Protocol (MCP) with a dedicated tool execution engine and an SDK for custom tool development.
Arcade directly competes with Smithery by offering a platform for building and deploying custom MCP servers and tools, aligning closely with Smithery's marketplace for MCP servers. It also provides advanced testing and evaluation features for agent behavior.
2
Composio is a developer-first integration platform designed for building production-grade AI agents, offering a unified framework with over 850 pre-built connectors and managed authentication.
While Smithery focuses on a marketplace for MCP servers, Composio provides a comprehensive integration platform with a vast catalog of pre-built connectors and managed authentication, simplifying the underlying infrastructure for AI agents to connect to external services.
3
Nango↗
Nango is an open-source, developer-first platform for product integrations and agent tools, supporting tool calls, data syncs, webhooks, and unified APIs across more than 800 APIs.
Nango offers a broader scope than Smithery, providing unified APIs and data synchronization capabilities in addition to tool calling for AI agents. It emphasizes a code-first experience and strong observability for production workloads.
4
toku.agency↗
toku.agency functions as a marketplace where AI agents can register via API, list their services with tiered pricing, and earn real money, akin to a 'Fiverr for AI agents.'
Unlike Smithery, which is a marketplace for MCP servers, toku.agency is a marketplace for AI agents themselves that offer services, inherently relying on external service integration to perform tasks. It focuses on monetization and discovery of agents rather than the underlying protocol servers.
5
agentskill.sh↗
agentskill.sh is a marketplace focused on the fast discovery and installation of over 110,000 agent skills across more than 20 artificial intelligence tools.
Similar to Smithery in extending AI capabilities through a marketplace, agentskill.sh focuses on 'skills' (reusable capability packages) rather than exclusively 'MCP servers.' It provides a broader range of integrations for various AI tools like Claude Code, Cursor, and Copilot.
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Frequently Asked Questions
+What is Smithery?
Smithery is an AI agent integration platform developed by Smithery AI that enables AI agent developers and developers creating agentic services to discover, deploy, and manage agentic services that adhere to the Model Context Protocol (MCP). It serves as a centralized hub for integrating language model agents with external tools and data sources, simplifying tool configurations and interfaces.
+Is Smithery free?
Smithery offers a freemium model, providing free usage for basic Model Context Protocol (MCP) servers, though rate limits apply. Additionally, individual MCPs available on the platform may have their own usage-based costs, such as the 'rate-limit-manager' at $0.001 per request.
+What are the main features of Smithery?
Key features of Smithery include connecting to thousands of MCP tools, managing OAuth and session authentication with automatic token refresh, a Command Line Interface (CLI) for integration and deployment, pre-built workflows for agent behavior, and observability features for published tools. It also facilitates hosting and distribution of MCP servers and standardizes tool configurations for AI applications.
+Who should use Smithery?
Smithery is intended for AI agent developers looking to discover and deploy MCP-compliant services, developers creating agentic services for hosting and distribution, organizations integrating language model agents with external tools and data, and teams aiming to standardize AI tool configurations and interfaces.
+How does Smithery compare to alternatives?
Smithery differentiates itself by focusing on the Model Context Protocol (MCP) for standardizing AI agent integrations. Unlike platforms like Arcade, which emphasize building custom MCPs, or Composio and Nango, which offer broader integration platforms with extensive pre-built connectors and unified APIs, Smithery primarily serves as a marketplace and management hub for MCP servers. It also differs from agent-centric marketplaces like toku.agency and skill marketplaces like agentskill.sh by focusing on the underlying protocol servers rather than the agents or skills themselves.
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