{"id":"clm_C4367F308E13","entity":"claude","predicate":"feature_added","value":"Custom Skills","value_json":{"feed":"claude-platform-release-notes","item":"https://platform.claude.com/docs/en/release-notes/overview#2025-10-16","tags":{"v":2,"ai":true,"by":"claude-haiku-5-5","on":"2026-11-03","themes":["agents"]},"check":{"on":"2026-11-03","url":"https://platform.claude.com/docs/en/release-notes/overview#2025-10-16","pages":1,"quote":"Custom Skills : Upload your own Skills through the Skills API ( /v1/skills endpoints) to package domain expertise and organizational workflows","outcome":"checked"},"evidence":"We’ve launched Agent Skills ( skills-2025-10-02 beta), a new way to extend Claude’s capabilities. Skills are organized folders of instructions, scripts, and resources that Claude loads dynamically to perform specialized tasks. The initial release includes: · Anthropic-managed Skills : Pre-built Skil","extracted_by":"claude-haiku-5-5","primary_source":true},"valid_from":"2025-10-16","valid_to":null,"published":"2025-10-16","recorded":"2026-11-03","confidence":0.7,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-11-03T00:59:32.580487+00:00","updated_at":"2026-11-03T01:18:08.110184+00:00","sources":[{"url":"https://platform.claude.com/docs/en/release-notes/overview#2025-10-16","tier":"primary","publisher":"Anthropic","published_at":"2025-10-16T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-03","quote":"Custom Skills : Upload your own Skills through the Skills API ( /v1/skills endpoints) to package domain expertise and organizational workflows","url":"https://platform.claude.com/docs/en/release-notes/overview#2025-10-16","excerpt":"We’ve launched Agent Skills ( skills-2025-10-02 beta), a new way to extend Claude’s capabilities. Skills are organized folders of instructions, scripts, and resources that Claude loads dynamically to perform specialized tasks. The initial release includes: · Anthropic-managed Skills : Pre-built Skil"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}