This record is generated by AI from the cited source. How AI is used

Users can save their own skills in Composer and pull one into a chat by typing @, to reuse workflows that worked.

Platform

Klaviyo

Capability

Agent building & orchestration · AI

Vendor's name

Composer custom Skills · custom Skills

First recorded

29 Sep 2026

Record last updated

5 Nov 2026

Record dates describe acquisition and updates, not human review. About corrections.

Lifecycle history 1 state

1. GAConfirmed by 2 Sep 2026
   First recorded 29 Sep 2026 · recorded from the source history · announcement relayed by the MarTech Watch + vendor changelog (2 sources) · klaviyo.com ↗ · archived copy, 26 Oct 2026 ↗ · klaviyo.com ↗ · archived copy, 26 Oct 2026 ↗

Record corrections 2

Changes made to this record after it was published, separate from the vendor's lifecycle states above. All corrections.

1. 5 Nov 2026Text
   Summary rewritten

   Before: Composer supports custom, user-defined Skills that extend its agentic capabilities.

   After: Users can save their own skills in Composer and pull one into a chat by typing @, to reuse workflows that worked.

   Summary rewritten for the availability shown by the vendor's @mention skills entry. Evidence: klaviyo.com ↗

2. 5 Nov 2026Lifecycle state

   Lifecycle state: Announced · 9 Sep 2026 · Global → GA · Confirmed by 2 Sep 2026 · Global

   What's New lists "@mention skills in Composer" (2026-09-02, generalAvailability): "Type @ in the Composer chat to pull in one of your skills." Custom skills were available then. Evidence: klaviyo.com ↗

Something wrong or out of date in this record? Report an issue, ideally with a link to better evidence. How corrections work

Agent building & orchestration on other platforms latest first

• HSHubSpotCRM action details in Customer Agent message insightsGAOct 2026
• HSHubSpotCustomer Agent batch testingGAOct 2026
• HSHubSpotRaised Customer Agent action limitGAOct 2026
• MKMarketoCustom callable AI agents as a smart campaign flow stepAnnouncedOct 2026
• TATreasure AIAI Studio Android appGA30 Sep 2026
• MOMoEngageExternal app connectors for Custom AgentsGASep 2026
• HSHubSpotCustomer Agent testing toolsGASep 2026
• HSHubSpotRedesigned Customer Agent Guidelines UIGASep 2026
• HSHubSpotCustomer Agent Auto-SetupGASep 2026
• HSHubSpotCustomer Agent audience segmentsPreviewSep 2026

All Agent building & orchestration changes →

More from Klaviyo in Agent building & orchestration

• Custom events from Customer Agent skillsGA30 Oct 2026
• Private or shared Composer skillsGA29 Oct 2026
• Skill preview cards in ComposerGA19 Oct 2026
• Customer Agent building in ComposerGA16 Oct 2026
• @mention skills in ComposerGA2 Sep 2026