MCP Servers

crewAI 1.14.2rc1 is a release candidate that addresses critical bug fixes and security vulnerabilities. The release includes fixes for cyclic JSON schema handling in MCP tool resolution and security patches for python-multipart and pypdf dependencies. This maintenance release ensures improved stability and security for the crewAI framework.

OpenClaw v2026.4.15-beta.1 introduces significant enhancements across control UI, memory management, and security. Key additions include OAuth token health monitoring, cloud storage support for LanceDB memory indexes, GitHub Copilot embedding provider integration, and experimental lean mode for local models. The release focuses on security hardening with credential redaction, symlink protection, and improved authentication handling, alongside numerous bug fixes for CLI configuration, memory access control, and provider failover logic.

OpenClaw v2026.4.14 is a quality release focused on model provider improvements, particularly for GPT-5 family support and channel provider fixes. The release includes forward-compatibility for gpt-5.4-pro, enhanced Telegram forum topic handling, and significant performance refactors to the core codebase. Key fixes address Ollama timeout handling, Codex provider catalog validation, media tool model references, security allowlist enforcement, and various provider integrations including Slack, Google, and Discord.

Claude Code v2.1.105 introduces significant improvements to worktree management, plugin architecture, and user experience. Key additions include the `path` parameter for EnterWorktree, PreCompact hook blocking, background monitor support for plugins, and the `/proactive` alias for `/loop`. The release focuses on stability with better API stream handling, improved error messaging, and numerous bug fixes across file operations, terminal rendering, and MCP integration.

Google ADK Python v1.30.0 introduces significant enhancements including Auth Provider support in agent registry, Parameter Manager integration, Gemma 4 model support, and live avatar capabilities. The release also promotes BigQuery tools to stable status and adds artifact service integration for A2A events. Multiple bug fixes address security vulnerabilities, credential leakage, and improve the express mode user experience.

OpenClaw v2026.4.12 is a comprehensive quality release emphasizing plugin loading reliability, memory system improvements, and expanded local model support. Key additions include an Active Memory sub-agent plugin, local MLX speech provider for Talk Mode, LM Studio provider for self-hosted models, and enhanced Feishu setup workflows. The release also addresses critical security fixes, dreaming/narrative stability, and improves gateway lifecycle management and Matrix client streaming support.

OpenClaw v2026.4.12-beta.1 introduces significant improvements to plugin loading, memory recall, and dreaming functionality. Key changes include narrowing plugin activation to manifest-declared needs, improving QMD recall search telemetry, and fixing critical issues with memory retrieval, dreaming narrative cleanup, and gateway authentication. The release also expands documentation for providers and memory-wiki setups while addressing numerous edge cases in CLI updates, Unicode handling, and WebSocket keepalive mechanisms.

OpenClaw v2026.4.11 introduces major enhancements to memory/dreaming features with ChatGPT import ingestion, improved media rendering in chat UIs, expanded video generation capabilities, and better integration with platforms like Feishu and Microsoft Teams. The release includes plugin manifest improvements for declarative setup flows, performance optimizations for model discovery caching, and numerous bug fixes across OAuth, transcription, timeouts, and platform-specific issues to improve stability and user experience.

OpenClaw v2026.4.11-beta.1 introduces significant enhancements to memory/dreaming features with ChatGPT import ingestion, improved media rendering in chat UIs, expanded video generation capabilities, and better integration with Feishu and Microsoft Teams. The release includes numerous fixes for OAuth flows, audio transcription, TTS persistence, and configuration handling, plus improved plugin manifest descriptors and model provider diagnostics.

OpenClaw v2026.4.10 introduces major features including Codex provider integration for GPT models, an Active Memory plugin for context-aware conversations, experimental local MLX speech support for macOS, and expanded QA testing capabilities with Matrix and Telegram lanes. The release includes extensive security hardening across browser navigation, tool execution, and WebSocket handling, plus numerous fixes for Microsoft Teams integration, WhatsApp media delivery, gateway startup stability, and agent-based tool use.

langchain-core version 1.3.0a1 is an alpha release featuring performance improvements, security hardening, and bug fixes. Key updates include reduced streaming metadata overhead, enhanced anti-SSRF protections, improved token counting with multimodal support, and numerous stability fixes across serialization, tool handling, and model integrations. The release represents incremental improvements building on the 1.2.x series with focus on reliability and developer experience.

Google ADK Python v1.29.0 introduces significant enhancements to authentication, security, and tooling capabilities. Key additions include auth scheme/credential support for MCP toolsets, configurable resource limits and shell metacharacter blocking in BashTool, new EnvironmentToolset for file I/O and command execution, and improved BigQuery logging with configurable view prefixes. The release also adds support for model endpoints in Agent Registry, regional endpoints for SecretManager, and enhanced session management with custom session IDs and shallow-copy options.

This tutorial demonstrates building a webhook-triggered SRE incident response agent using Claude Managed Agents that automatically investigates production alerts, consults runbooks, proposes infrastructure fixes via pull requests, and gates merging behind human approval. The agent combines built-in sandbox tools (bash, read, edit) with custom tools for PR management and human-in-the-loop approval, providing complete audit trails in the Anthropic Console. The example uses mocked PagerDuty, GitHub, and Datadog integrations to focus on agent patterns, with guidance for swapping in real services.

This cookbook demonstrates building a Slack data analyst bot using Claude Managed Agents and Bolt for Python. Users mention the bot with a CSV file to receive narrative analysis reports in-thread, with support for multi-turn follow-ups within the same session. The implementation handles file uploads, streams agent progress updates, and manages session persistence across Slack threads.

Claude Code v2.1.97 introduces a focus view toggle for better prompt visibility, enhanced status line customization with git worktree support, improved permissions handling with stricter Bash tool checks, and numerous bug fixes across MCP connections, resume functionality, NO_FLICKER mode rendering, and authentication. The release also improves auto-approval logic for safe commands, image compression consistency, and CJK text input handling.

LangChain Core version 0.3.84 has been released with improvements to prompt sanitization. This patch release follows version 0.3.83 and includes a fix that enhances how prompts are processed and cleaned within the core library. The changes focus on improving data handling and security in prompt processing.

LangChain Core version 1.2.28 has been released with improvements to template sanitization. This patch release follows version 1.2.27 and includes a fix that adds enhanced sanitization logic to templates, improving security and robustness. The release is part of the ongoing LangChain framework maintenance and development cycle.

Claude Code v2.1.94 introduces Amazon Bedrock support via Mantle, increases default effort levels for API users, and adds enhanced Slack integration with compact channel headers. The release includes significant bug fixes for rate-limiting handling, macOS login issues, plugin skill invocation naming, and terminal rendering problems across multiple platforms including VSCode.

langchain-core version 1.2.27 was released with a critical fix for handling symlinks in deprecated prompt save paths. The release includes a minor chore update adding clarification comments about the pygments dependency requirement. This patch addresses a reported issue that could affect users relying on legacy prompt saving functionality.

langchain-ollama version 1.1.0 introduces several new features and improvements including support for response_format, logprobs, and embedding dimensions, along with critical bug fixes for message serialization and base_url handling. The release includes dependency updates for security (CVE-2026-4539), improved error handling, and code quality enhancements across the Ollama integration package.