mcp-hub Releases

Updates the microsandbox SDK to unify cloud backend handling and adds shared logging capabilities while fixing sandbox reconnections.

Jul 29, 2026

This release focuses on stabilizing filesystem and snapshot mechanisms, improving network reliability with IPv6 support, and enhancing CLI usability through new command aliases, while introducing breaking changes to sandbox types and path handling.

Jul 25, 2026

This release addresses filesystem streaming stability and updates CI workflows to facilitate releasing and yanking versions. It includes a revert of a recent type composition feature.

Jul 7, 2026

This release introduces live sandbox management capabilities and improves CLI monitoring, alongside critical network fixes for UDP fragmentation and ephemeral cleanup.

Jul 5, 2026

This release focuses on network security and stability, implementing scoped TLS verification and resolving IPv6 DNS edge cases.

Jul 4, 2026

This update enhances C2 session management by adding SSE real-time refresh for session and task lists. The UI has been redesigned to be more compact, and Sleep/jitter settings are no longer overwritten by heartbeats. It also adds automatic model list fetching from the configured API.

Jun 18, 2026

This release introduces Smallest AI TTS and STT provider integration, refreshes the user onboarding experience, and adds custom Sarvam TTS voice support. It also includes new SDK examples for workflows in Python and TypeScript, along with various bug fixes for TTS configurations and microphone handling.

Jun 18, 2026

This release unifies large tool-output handling by removing legacy configuration keys. Outputs exceeding 50KB are now truncated via Eino reduction and persisted to a standardized directory structure based on project or conversation contexts.

Jun 18, 2026

Addresses deployment reliability by vendoring 7 frontend libraries locally. This removes the dependency on the jsdelivr CDN, ensuring that intranet and offline deployments function correctly without internet access.

Jun 16, 2026

Fixes critical bugs in the projects page, including a function call error and missing router definitions. It also ensures router.js is loaded in the head to prevent undefined errors and adds support for hash routing on the projects page.

Jun 15, 2026

v1.35.0 focuses on billing simplification and new TTS options. It introduces Config v2 for easier billing management and adds Cartesia Sonic 3.5 as a TTS option. A Docker start script is also included to streamline local development.

Jun 12, 2026

Adds robust connection handling for external MCP services, including dead-connection detection and auto-reconnect with exponential backoff. The MCP management UI now displays connection status and disconnect reasons. Additionally, external tools are now correctly visible under tool_search.

Jun 12, 2026

This release introduces Azure AI multi-provider support across various services and adds new MCP guides for bot building. It also includes fixes for telephony, WebRTC, and custom HTTP tools.

Jun 3, 2026

The focus of this release is on call management, featuring an immediate abort mechanism for exceeding max call duration and a visual banner when the API is unreachable.

May 31, 2026

This release adds support for multiple new AI providers including Google, MiniMax, and xAI Grok, along with improvements to the workflow builder and API endpoints.

May 28, 2026

Fixes a critical bug in the client where sandbox proxy iframe timeouts were not cleaned up on effect, preventing strict mode unhandled rejections.

May 9, 2026

Introduces new props to the AppRenderer component to expose host information and capabilities.

May 1, 2026

Updates to Difftastic focusing on improved syntax-aware diffing for trailing punctuation and expanded language support, including Assembly and Perl, while removing support for Hack.

Apr 30, 2026

This release addresses a wide array of critical bugs including numeric filtering, highlighting, and curation field handling, alongside improvements to HTTP/2 and health checks.

Apr 19, 2026

This release focuses on stabilizing scoped API key handling, conversation search error management, and search cache keying to prevent collisions.

Apr 19, 2026