Release History

Fiddler Everywhere v8.0.1

July 24, 2026

Version 8.0.1

NEW

• Added a new Agent Inspector for viewing agent messages, tool calls, model details, cost, and latency.
• Added caching recommendations for Agent Cache to help reduce latency and token usage for expensive agent calls.
• Added an MCP traffic capture tool that automatically captures traffic only from applications launched from the current terminal session.
• Added one-click MCP setup for supported IDEs and coding agents, making it easier to connect Fiddler without manual configuration.
• Added a new Protobuf inspector.

 

FIXED

• Updated the MCP Setup Skill.
• Updated the MCP core library.
• Updated the list of models supported in the Debugging Assistant setup.
• Updates for Windows Network Driver.
• Updated third-party dependencies to mitigate potential security vulnerabilities.