AI Roadmap/Layer 08 · 08. AI Engineering / RAG / Agent / Orchestration
8.3

8.3 MCP, Tool Integration & Secure Sandboxes

Model Context Protocol (MCP) open standard, dynamic tool discovery, Firecracker/E2B microVM code isolation, and autonomous browser automation.

Model Context Protocol (MCP) Client/Server Integration & Tool Discovery

Standardized Model Context Protocol (MCP) client-server architecture, dynamic tool discovery and context resource injection, least-privilege credential forwarding, and cross-platform tool interoperability.

🏢 Companies
Anthropic (MCP)Model Context Protocol CommunityCloudflareE2B
🛠️ Tech Stack
Model Context Protocol (MCP)MCP ClientMCP ServerTool DiscoveryLeast PrivilegeJSON-RPCAnthropic
💼 Roles & Salary
AI Systems Engineer、LLM Application Engineer、Platform Engineer
💰 $210K - $450K / year (Model Context Protocol Architecture) | ¥600K - ¥1.4M / year
📚 Prerequisites: JSON-RPC 2.0 Protocols & Bi-Directional Streaming • MCP Handshake, Tool Discovery & Resource Schemes • Least-Privilege Security & Token Scoping • Stdio vs SSE Transports & Cross-Process Management

Secure Code Execution Sandboxes, Browser Automation & Egress Isolation

Secure microVM code execution sandboxes (Firecracker/E2B/Modal), container resource limits, Playwright/Browserbase headless browser automation, network egress whitelisting, and immutable audit logs.

🏢 Companies
E2BModalBrowserbaseDockerCloudflare
🛠️ Tech Stack
Code SandboxE2BModalFirecrackerBrowserbasePlaywrightEgress ControlSecurity Isolation
💼 Roles & Salary
AI Systems Engineer、Security Engineer、Sandbox Engineer
💰 $205K - $440K / year (Sandbox & Runtime Security) | ¥580K - ¥1.38M / year
📚 Prerequisites: Linux Cgroups v2, Namespaces & Seccomp Security • Firecracker MicroVM Virtualization Internals • Playwright DOM Extraction & Session Management • Network Namespace Egress Firewall Filtering