Runstack is the tool layer for AI agents, giving AI applications access to thousands of real-world tools and integrations. It enables agents to discover and use tools on demand across GitHub, Slack, AWS, Salesforce, Sentry, Jira, and more. With Runstack Agent, Studio, MCP support, and SDKs like `@rnsk/tools`, `@rnsk/mcp`, `@rnsk/bot`, and `@rnsk/tui`, developers can build, deploy, and embed powerful AI agents with secure integrations, authentication, workflows, and team workspaces.