
utcp-specification
The specification for the Universal Tool Calling Protocol
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The Universal Tool Calling Protocol (UTCP) Specification repository contains the official documentation for a modern and scalable standard that enables AI systems and clients to discover and interact with tools across different communication protocols. It defines tool discovery mechanisms, call formats, provider configuration, authentication methods, and response handling.
README:
This repository contains the official specification documentation for the Universal Tool Calling Protocol (UTCP). UTCP is a modern, flexible, and scalable standard for defining and interacting with tools across various communication protocols.
UTCP provides a standardized way for AI systems and other clients to discover and call tools from different providers, regardless of the underlying protocol used (HTTP, WebSocket, CLI, etc.). This specification defines:
- Tool discovery mechanisms
- Tool call formats
- Provider configuration
- Authentication methods
- Response handling
We welcome contributions to the UTCP specification! Here's how you can contribute:
- Fork the repository: Create your own fork of the specification repository
- Make your changes: Update or add documentation as needed
- Submit a pull request: Open a PR with your changes for review
- Participate in discussions: Join the conversation about proposed changes
When contributing, please follow these guidelines:
- Ensure your changes align with the overall vision and goals of UTCP
- Follow the established documentation structure and formatting
- Include examples when adding new features or concepts
- Update relevant sections to maintain consistency across the documentation
To build and preview the documentation site locally, you'll need:
- Ruby version 2.5.0 or higher
- RubyGems
- Bundler
-
Clone the repository:
git clone https://github.com/universal-tool-calling-protocol/utcp-specification.git cd utcp-specification
-
Install dependencies:
bundle install
To build and serve the site locally:
bundle exec jekyll serve
This will start a local web server at http://localhost:4000
where you can preview the documentation.
The UTCP documentation is organized as follows:
-
index.md
: Homepage and introduction to UTCP -
docs/
-
introduction.md
: Detailed introduction and core concepts -
for-tool-providers.md
: Guide for implementing tool providers -
for-tool-callers.md
: Guide for implementing tool callers -
providers/
: Documentation for each provider type-
http.md
: HTTP provider -
websocket.md
: WebSocket provider -
cli.md
: CLI provider -
sse.md
: Server-Sent Events provider - etc.
-
-
implementation.md
: Implementation guidelines and best practices
-
The documentation is written in Markdown format with Jekyll front matter. When making changes:
- Ensure your Markdown follows the established style
- Preview changes locally before submitting PRs
- Keep examples up-to-date with the latest specification
- Update navigation items in
_config.yml
if adding new pages
When adding new documentation:
- Place provider-specific documentation in
docs/providers/
- Use consistent front matter with appropriate navigation ordering
- Include tags for improved searchability on GitHub Pages
The UTCP specification follows semantic versioning:
- Major versions (1.0, 2.0): Breaking changes to the protocol
- Minor versions (1.1, 1.2): New features added in a backward-compatible manner
- Patch versions (1.0.1, 1.0.2): Backward-compatible bug fixes and clarifications
This specification is distributed under the Mozilla Public License 2.0 (MPL-2.0).
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