This release ships a token-gated marketplace proxy that lets Claude Code, Claude Cowork, and Cursor install Gram-published plugins without exposing the upstream GitHub repo. It also adds Slack reaction platform tools, custom policy messages, and authorization challenge management endpoints.
Features
Marketplace proxy for private plugin installs#2614 - Adds a stateless marketplace proxy that streams plugins from GitHub through token-gated routes, including a Claude Code marketplace manifest endpoint and a git Smart HTTP proxy for plugin source clones. The Plugins page surfaces install instructions for Claude Code, Claude Cowork, and Cursor in a new modal. (Author: @bradcypert )
so assistants can react to messages and discover available emoji. (Author: @danielkov )
Default-attach Slack reaction tools in onboarding#2631 - Default-attaches Slack reaction tools during assistant onboarding and injects reaction etiquette guidance into the assistant's behavior section. The Slack manifest builder now maps the reaction handlers to the
Custom risk policy messages#2533 - Allows setting custom policy messages that are shown to end users when a risk policy fires. (Author: @chase-crumbaugh )
Publish observability-only plugins#2610 - Allows publishing to GitHub when the org has only the observability plugin and no custom plugins. (Author: @bradcypert )
