fix: correct .claude-plugin manifest schema (skills field, repository field) - #2
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marketplace.json's plugins[0].skills declared per-skill objects
({name, path, invoke}), but the marketplace schema expects a flat
array of relative path strings (matching every other marketplace's
usage, e.g. box, coursera, netsuite). plugin.json's repository field
used the npm-style {type, url} object; the schema expects a plain
URL string (matching ast-grep/impeccable/context-mode's plugin.json).
Both mismatches make `claude plugin validate` fail, which surfaces to
installers as a generic "This plugin uses a source type your Claude
Code version does not support" error rather than a real schema error
-- confirmed via `claude plugin install astria@astria` failing on the
latest Claude Code (2.1.210) and `claude plugin validate .` pinpointing
both fields. Verified fixed: validate passes and a real
`claude plugin marketplace add` + `claude plugin install` round-trip
succeeds.
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Summary
.claude-plugin/marketplace.json:plugins[0].skillswas an array of{name, path, invoke}objects. The marketplace schema expects a flat array of relative path strings (as used by other marketplaces registered in Anthropic's official/knowledge-work catalogs, e.g.box,coursera,netsuite). Changed to["./astria-api", "./prompt-writing", ...]..claude-plugin/plugin.json:repositoryused the npm-style{type, url}object. The plugin schema expects a plain URL string (as used byast-grep,impeccable,context-mode'splugin.json). Changed to a bare string.Why this matters
Both fields fail
claude plugin validateon current Claude Code (tested on 2.1.210). Because validation fails before a useful error can be shown,/plugin install astria@astriasurfaces a generic, misleading message: "This plugin uses a source type your Claude Code version does not support. Update Claude Code and try again." — implying the CLI is out of date, when it's actually these two manifest fields. Right now nobody can install this plugin via the marketplace flow.Test plan
claude plugin validate .passes on the branch (was failing withplugins.0.skills: Invalid input, thenrepository: Invalid input: expected string, received object, before each respective fix)claude plugin marketplace add <path> --scope local+claude plugin install astria@astriasucceeds end-to-end and the plugin appears inclaude plugin list