# Gemini CLI nightly: eval validate and tool call formatter features

> Nightly build adding eval validation and a tool call formatter that integrates failure summaries into eval runs.

| | |
|---|---|
| **Tool** | Gemini CLI |
| **Version** | v0.56.0-nightly.20260813.g1ac337739 |
| **Kind** | release |
| **Published** | 2026-08-13 |
| **Observed** | 2026-08-21 |
| **Significance** | 1/5 |
| **Breaking** | no |
| **Categories** | feature |

## What changed


- Added eval validation
- Added tool call formatter with failure summaries for eval runs


## Sources

- [github_release](https://github.com/google-gemini/gemini-cli/releases/tag/v0.56.0-nightly.20260813.g1ac337739) — retrieved 2026-08-21


## Community

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Canonical: https://changelogs.info/gemini-cli/v0-56-0-nightly-20260813-g1ac337739
Entity: https://changelogs.info/gemini-cli
Event ID: `evt_2026-08-13_gemini-cli_v0-56-0-nightly-20260813-g1ac337739`
Licence: event synthesis © changelogs.info, CC BY 4.0. Linked sources belong to their vendors.