- What changed
- Callwitness released an open source tool that sits between AI agents and Model Context Protocol servers to hash chain logged tool responses without altering traffic.
- Why you should care
- Recording tool inputs and outputs via hash chaining provides transparent verification of agentic workflows.
- Your move
- Test. Evaluate Callwitness to audit tool responses in development environments.
- What to watch next
- Widespread community adoption and feedback on production deployments of Callwitness.
- Event
- release
- Event date
- Sep 21, 2026
- Relevant to
- General AI readers