fastmcp Releases

This is a bug fix release for fastmcp v3.8.2 that addresses an issue with progress updates. The release resolves issue #117 by ensuring the system properly waits for progress updates.

Jun 30, 2025

This is a minor patch release (v3.8.1) of fastmcp, containing only a dependency update with no new features or breaking changes. The release was published on June 30, 2025.

Jun 30, 2025

This minor release adds authentication context support to resources and resource templates, addressing feature request #137. It also includes bug fixes for a missing eventStore and formatting improvements.

Jun 30, 2025

This release adds support for well-known OAuth endpoints, enabling easier OAuth configuration for MCP servers. The update addresses issue #132 by implementing a standardized way to handle OAuth discovery.

Jun 28, 2025

This is a maintenance release that reverts a previous bug fix related to auth session handling (PR #135) due to issues discovered after the original change was merged.

Jun 26, 2025

This is a minor bug fix release (v3.6.1) for fastmcp that addresses an issue with authentication session handling. The release was published on June 26, 2025, and includes a single fix for auth session handling (issue #135). No new features or breaking changes were introduced in this release.

Jun 26, 2025

This is a minor release that adds support for tool calls to return ResourceLink objects, addressing feature request #130. The release is focused on enhancing the integration between tools and resources in the MCP protocol.

Jun 26, 2025

FastMCP v3.5.0 introduces a parameterless server.start() method that enables automatic configuration through CLI arguments, simplifying server initialization for users.

Jun 21, 2025

This is a minor feature release (v3.4.0) of fastmcp that adds two enhancements: support for passing options to the requestSampling method, and the ability for ResourceTemplate to return an array of resources instead of a single resource.

Jun 18, 2025

This is a bug fix release that resolves an issue with the `file-type` package by replacing static imports with dynamic imports. The change addresses compatibility or loading issues related to how the `file-type` package is imported.

Jun 16, 2025

This minor release adds the ability to customize the HTTP server endpoint in fastmcp, providing more flexibility for deployment configurations. The update addresses feature request #111.

Jun 13, 2025

This minor release (3.2.0) adds support for the full MCP SDK schema for Prompt Result, enhancing compatibility with the MCP SDK. The update addresses issue #113 and appears to be a focused improvement to the library's schema handling capabilities.

Jun 13, 2025

This is a minor bug fix release for fastmcp addressing an issue with the CLI validation command. The release fixes a specific problem identified in issue #109, improving the reliability of the CLI tool.

Jun 11, 2025

Release v3.1.0 of fastmcp focuses on performance improvements and developer experience enhancements. This update brings optimized memory management and improved CLI tooling, addressing issue #108.

Jun 11, 2025

This is a minor bug fix release (patch version) that addresses issue #105 by upgrading the mcp proxy dependency and adding async support to the on close handler. The release maintains backward compatibility with no breaking changes.

Jun 10, 2025

This is a major version release (3.0.0) that renames the default endpoint from /stream to /mcp to align with broader MCP community conventions. This represents a breaking change for existing users who will need to update their endpoint references.

Jun 7, 2025

This is a minor bug fix release (v2.2.4) of fastmcp released on June 7, 2025. The update addresses dependency issues by updating the project's dependencies to their latest versions. No new features or breaking changes were introduced in this release.

Jun 7, 2025

This is a minor bug fix release (v2.2.3) that optimizes event loop flushing for different transport types, addressing issue #94. The release was published on June 7, 2025.

Jun 7, 2025

This is a minor bug fix release addressing an issue with HTTP Stream Transport Buffering. The fix resolves issue #91 which was causing problems with streaming data over HTTP transport in the FastMCP library.

Jun 5, 2025

This is a minor bug fix release (v2.2.1) that addresses HTTP streaming connection stability issues. It was released on June 2, 2025.

Jun 2, 2025