v1.23.0 v0.12.0

Name: helicone
Author: Helicone

medium risk

Helicone/heliconeSep 23, 2026 → Sep 24, 20261 day between releases

What's New

Adds MCP integration, CLI key management, and declarative setup alongside desktop themes and bug fixes.

New Features

MCP integration via ask_freellmapi tool
CLI key management commands (add, list, remove, test)
Declarative first-run setup via startup config
Universal macOS DMG with per-arch runtimes
Light+ and Solarized Light themes

Improvements

Output length fitting logic to prevent over-requesting tokens
Security improvements to routing and failover
Routing and failover fixes
Improved Canvas image package refresh
Fixed Markdown re-rendering of historical chat

Bug Fixes

Fixed Canvas image packages refresh
Restored 11px mode label on change-agent button
Fixed MSW in-flight requests drain
Avoided re-rendering unchanged historical Markdown
Cleared 'Failed to send' bubble once echoed back

Upgrade Notes

MCP integration requires enabling MCP and using the unified key. CLI key management allows terminal-based key management without the dashboard. Declarative setup enables admin account creation and license activation via a startup config file.

The Two Releases

v1.23.0

Sep 23, 2026· 29 days ago

Introduces a universal macOS DMG, new Light+ and Solarized Light themes, and Agent Canvas telemetry tagging by deployment kind.

Full release notes

v0.12.0

Sep 24, 2026· 28 days ago

Adds MCP integration for ChatGPT, CLI key management, and declarative setup, alongside various routing and security enhancements.

Full release notes