OpenBB Widgets JSON MCP
MCP ServerFreeAn MCP server that exposes the OpenBB widgets.json specification as structured, callable tools. Instead of parsing long-form documentation, developers (and AI coding assistants like Claude Code) can directly query widget types, inputs, and configuration examples through this server. Each widget typ
- Best for
- structured tool querying for widget types, dynamic json spec generation, widget configuration retrieval
- Type
- MCP Server · Free
- Score
- 32/100
- Best alternative
- AWS MCP Servers
- Agent-compatible
- Yes — MCP protocol
Capabilities4 decomposed
structured tool querying for widget types
Medium confidenceThis capability allows developers to query specific widget types through a structured API, which is generated programmatically from the OpenBB developer documentation. By utilizing FastMCP, the server exposes each widget as a callable tool, enabling users to retrieve detailed information about widget configurations and examples without needing to parse long-form documentation. This approach enhances discoverability and usability for developers building OpenBB applications.
Utilizes FastMCP to dynamically generate callable tools from the OpenBB documentation, allowing for real-time querying of widget specifications.
More efficient than static documentation parsing, as it provides instant access to widget details through a structured API.
dynamic json spec generation
Medium confidenceThis capability enables the generation of valid JSON specifications for OpenBB widgets by mixing and matching different widget types and configurations. The server uses a programmatic approach to combine inputs and outputs based on user queries, ensuring that the generated JSON adheres to the required structure and syntax for OpenBB applications. This functionality simplifies the development process by automating JSON creation.
Programmatically generates JSON specs based on user-defined parameters, ensuring compliance with OpenBB's specifications.
Faster and less error-prone than manual JSON creation, as it automates the structuring process based on real-time queries.
widget configuration retrieval
Medium confidenceThis capability allows users to retrieve detailed configuration settings for specific widget types through a structured API call. By leveraging the underlying FastMCP architecture, the server can return precise configuration examples and usage guidelines, which are essential for developers when implementing widgets in their applications. This feature reduces the need for extensive documentation review.
Directly queries the FastMCP server for configuration settings, providing real-time access to widget usage examples.
More efficient than searching through static documentation, as it provides immediate access to relevant configuration details.
widget type discovery
Medium confidenceThis capability enables users to discover all available widget types through a simple API call. The server uses a structured approach to list widget types, allowing developers to quickly identify which widgets are available for use in their applications. This discovery process is facilitated by the FastMCP architecture, which organizes widget types for easy access.
Utilizes FastMCP to provide a structured list of all widget types, enhancing the discoverability of available tools.
More user-friendly than traditional documentation, as it allows for quick access to widget type information through an API.
Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.
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Best For
- ✓developers building applications with OpenBB widgets
- ✓developers looking to streamline JSON spec creation for OpenBB
- ✓developers implementing OpenBB widgets in their applications
- ✓developers exploring widget options for OpenBB applications
Known Limitations
- ⚠Limited to the widget types defined in the OpenBB documentation; new widgets require updates to the server.
- ⚠Only supports widgets defined in the OpenBB documentation; custom widgets are not accounted for.
- ⚠Configuration examples are limited to those provided in the OpenBB documentation.
- ⚠Discovery is limited to widgets defined in the OpenBB documentation; new widgets require server updates.
Requirements
Input / Output
UnfragileRank
UnfragileRank is computed from adoption signals, documentation quality, ecosystem connectivity, match graph feedback, and freshness. No artifact can pay for a higher rank.
Repository Details
About
An MCP server that exposes the OpenBB widgets.json specification as structured, callable tools. Instead of parsing long-form documentation, developers (and AI coding assistants like Claude Code) can directly query widget types, inputs, and configuration examples through this server. Each widget type is mapped to its own tool—making it easy to generate, mix, and match valid JSON specs when building new OpenBB apps. The server is built with FastMCP, programmatically generated from the OpenBB developer docs, and hosted on Smithery.ai for discoverability.
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