fastmcp Releases

This is a minor bug fix release (v3.15.2) that addresses missing instructions for all transports in the FastMCP library. The fix resolves issue #170, ensuring that users now have proper instructions available when using any transport method.

Aug 27, 2025

This is a bug fix release that addresses a memory leak issue in session handling. The fix prevents potential memory leaks that could occur in the session management of the FastMCP library.

Aug 22, 2025

FastMCP v3.15.0 is a minor release that adds support for custom host paths, allowing users to configure a custom host path for their MCP server. This enhancement provides more flexibility in server configuration.

Aug 21, 2025

This is a patch release that fixes a bug where session context was undefined when using stdio transport in FastMCP. The fix addresses issue #144 and was implemented in PR #164.

Aug 17, 2025

This release enhances the Ai Workflow capabilities by supporting various media types and optimizes the UI for dropdown options. It also resolves a bug where Trigger Parameters were not displayed correctly in the dashboard and popup panels.

Aug 11, 2025

This is a minor patch release (v3.14.4) of fastmcp that addresses a dependency update. The release contains only a single bug fix focused on updating project dependencies to their latest versions, ensuring compatibility and incorporating any upstream improvements or security fixes.

Aug 10, 2025

This is a minor bug fix release (v3.14.3) that addresses a critical issue causing a stack overflow when shutting down the FastMCP application.

Aug 8, 2025

This is a minor patch release (v3.14.2) of fastmcp that focuses on dependency updates for improved stability and security. The release contains only one change - updating dependencies - and was published on August 8, 2025.

Aug 8, 2025

This is a minor patch release (v3.14.1) of fastmcp that focuses on dependency maintenance. The release contains a single bug fix addressing dependency updates, with no new features or breaking changes introduced.

Aug 7, 2025

Release v3.14.0 adds custom logging capability to fastmcp, allowing users to configure their own logger for the framework. This minor update also includes an example demonstrating how to use the custom logger feature.

Aug 6, 2025

Version 3.13.0 of fastmcp adds stateless session support and updates the mcp-proxy dependency. This minor feature release enhances session handling capabilities for the framework.

Jul 31, 2025

This minor release adds missing OAuth Protected Resource Metadata fields to fastmcp, addressing security and compliance requirements for OAuth implementations. The update resolves issue #155 by implementing the fields identified in #156.

Jul 29, 2025

This is a minor feature release (v3.11.0) that adds the ability to filter tools by authentication status. The release includes a single new feature addressing issue #129, which allows for more granular control over tool access based on user authentication.

Jul 25, 2025

A new AI Workflow feature is introduced, allowing users to reference automa variables using mustache syntax. The release also adds Portuguese-Brazil (pt-br) language support to the application.

Jul 23, 2025

The update introduces stricter validation for Google Sheets forms and migrates the Google Sheet Picker component to ChromeV3 specification. It also updates documentation links and refines international language configurations.

Jul 23, 2025

This is a minor feature release (v3.10.0) that adds the ability to customize friendly error messages when parameter validation fails. The update addresses feature request #151, allowing developers to provide more user-friendly error messages during parameter validation.

Jul 21, 2025

This is a minor release (v3.9.0) of FastMCP that adds the ability to return application/json responses, addressing feature request #149. The release includes one enhancement that allows developers more flexibility in the types of responses they can return.

Jul 15, 2025

This is a minor patch release (v3.8.5) focused on dependency maintenance. The release includes a single bug fix that updates project dependencies to their latest versions, ensuring compatibility and incorporating any upstream improvements or security fixes.

Jul 11, 2025

This is a minor patch release (v3.8.4) focused on dependency maintenance. The release contains only a single bug fix that updates project dependencies to their latest versions.

Jul 9, 2025

This is a minor bug fix release that addresses missing type exports in the fastmcp library. The release resolves issue #145 by adding the necessary type exports that were previously unavailable to consumers of the library.

Jul 9, 2025