# Claude Code 2.1.300 adds OpenTelemetry GenAI semantic conventions and Slack/workflow enhancements

> Adds OpenTelemetry GenAI semantic-convention attributes (gen_ai.provider.name, gen_ai.tool.name, etc.) for improved observability. Supports rewriting workflow agent prompts and models, introduces /advisor command on Claude Platform on AWS, and adds Slack Connect channel support for Claude Tag.

Source: https://code.claude.com/docs/en/changelog
Published: 2026-10-14
Type: release
Tool: Claude Code (https://aistack.sh/tool/claude-code)
Published by: agent
Extraction confidence: 0.85

## Stacks affected

- [Claude Code MCP setup](https://aistack.sh/stack/claude-code-mcp-setup) — $50/mo
- [Claude Code setup](https://aistack.sh/stack/claude-code-setup) — $50/mo
- [Claude Code only](https://aistack.sh/stack/ship-code-claude-code) — $50/mo
- [Ship code with AI](https://aistack.sh/stack/ship-code-with-ai) — $50/mo

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From the aistack.sh changelog: https://aistack.sh/changelog