{"version":"2.1.261","anchor":"claudeai-hosted-plugin-marketplaces","canonical_anchor":"claudeai-hosted-plugin-marketplaces","heading":"claude.ai-hosted plugin marketplaces","tier":"use","area":"Plugin Marketplace","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.261\/e\/claudeai-hosted-plugin-marketplaces","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.261","markdown":"### claude.ai-hosted plugin marketplaces\n\nPlugin marketplaces can now be hosted on claude.ai itself, with full catalog fetching, caching and install support.\n\nPlugin marketplaces can now be hosted directly on claude.ai instead of backed by a git repo or local marketplace.json, sourced from an organization library, personal uploads, or a claude.ai account. This adds a full pipeline: fetching a paginated plugin catalog from claude.ai's API, caching it to disk (`known_marketplaces_claudeai.json` plus a per-marketplace catalog cache with etag\/If-None-Match support), handling gone\/denied\/policy-blocked\/offline states, collision-safe slugging of claude.ai display names into CLI marketplace names, and downloading and installing plugin archives with sha256 verification and zip-safety checks. Errors surface through new `ClaudeAiMarketplaceError`\/`ClaudeAiPluginInstallError` types with specific codes such as `not_installable`, `no_identity`, `policy_blocked`, and `extract_refused`.\n\nMarketplaces backed by a claude.ai source must be added with `claude plugin marketplace add --claudeai <name>`; names starting with the reserved prefix can no longer be added manually. `claude marketplace remove` now rejects `--scope` for these marketplaces, since they aren't declared in any settings scope, and instead removes them through a dedicated hosted-marketplace removal path. New plugin\/marketplace fields (`claudeaiPluginId`, `archiveSha256`, `attributedMarketplaceName`) support installs sourced this way.\n\nList and JSON output now include claude.ai-hosted marketplaces for the account alongside local ones, with status\/scope info and an `Add: claude plugin marketplace add --claudeai <name>` hint. The `\/plugin marketplace` UI gains a third \"hosted\" category distinct from the existing browse-only claude.ai listings, with its own confirmation screen before adding and update-availability notes per plugin; when an installed plugin's version doesn't match the marketplace's published version, the marketplace details view shows a note like \"N plugin updates available \u00b7 update the marketplace to apply.\"\n\n- Area: Plugin Marketplace\n- Tier: Use it now\n- Useful: 4\/5\n- Signal: 2\/5"}