AgentStack covers the fast-moving world of AI agent platforms with research-based editorial: platform comparisons grounded in documentation and community evidence, step-by-step build guides tied to real SDKs, trending open-source repos with verified star counts, and a weekly eye on the skills and MCP ecosystems.https://agentstack.pages.dev/https://agentstack.pages.dev/blog/build-ai-inbox-triage-agent-claude-mcp/https://agentstack.pages.dev/blog/build-ai-inbox-triage-agent-claude-mcp/Reproducible 2-hour build: Claude Desktop + Gmail MCP + a four-bucket triage prompt. Failure modes and the hard rule against autonomous send in month one.Sun, 05 Jul 2026 00:00:00 GMThttps://agentstack.pages.dev/blog/mcp-skills-ecosystem-guide-2026/https://agentstack.pages.dev/blog/mcp-skills-ecosystem-guide-2026/SKILL.md, MCP, ClawHub, and Hermes Skills Hub mapped in one place. Which standard is winning and how one skill file runs across 40+ agent products.Sun, 05 Jul 2026 00:00:00 GMThttps://agentstack.pages.dev/blog/build-research-agent-claude-agent-sdk/https://agentstack.pages.dev/blog/build-research-agent-claude-agent-sdk/Claude Agent SDK cookbook walkthrough: stateless one-liner, stateful multi-turn agent, parallel subagents. Citations, cost controls, and when each tier fits.Sun, 05 Jul 2026 00:00:00 GMThttps://agentstack.pages.dev/blog/trending-ai-agent-repos-july-2026/https://agentstack.pages.dev/blog/trending-ai-agent-repos-july-2026/Star-count-grounded roundup of 8 repos gaining traction in the agent space as of July 2026 — from the 380k-star OpenClaw to TypeScript-native Mastra.Sun, 05 Jul 2026 00:00:00 GMThttps://agentstack.pages.dev/blog/pydantic-ai-type-safe-agents-guide/https://agentstack.pages.dev/blog/pydantic-ai-type-safe-agents-guide/Under-covered but with 16k+ stars and growing fast. When strict typing is worth the overhead and when to reach for CrewAI or LangGraph instead.Sun, 05 Jul 2026 00:00:00 GMThttps://agentstack.pages.dev/blog/choose-your-agent-platform-2026/https://agentstack.pages.dev/blog/choose-your-agent-platform-2026/Eight platforms mapped to eight use cases with honest trade-offs sourced from official docs and community deployments. Start with your use case, work backwards.Sun, 05 Jul 2026 00:00:00 GMT