ToFu Finds 253 Bugs in 118 MCP Servers and a Repeat-After-Me Agent Bypass

ToFu fuzzed 273 MCP servers and verified 253 bugs across 343 tools in 118 servers, plus a Repeat-After-Me bypass on LangGraph. What operators should fix.

ToFu fuzzed 273 MCP servers and verified 253 bugs across 343 tools in 118 servers, plus a Repeat-After-Me bypass on LangGraph. What operators should fix.

A production comparison of 12 AI agent frameworks, from LangGraph and Microsoft Agent Framework to Mastra, on durability, OpenTelemetry, MCP, licensing, and hosting.