feat: extensions catalog — skills & plugins marketplace from index sources (N2)#45
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Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
RemoveSource only rejected the bundled source, so removing another built-in default (agentskills.io, openclaw/agent-skills) dropped it from sources.yaml and reported success — but LoadSources re-seeds DefaultSources(), so the "removed" default silently reappeared enabled on the next load. Reject any built-in default label (set built from DefaultSources(), single source of truth) before any write, so a rejected remove never rewrites sources.yaml. disable remains the supported way to turn a built-in off. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…rvestPack) Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Extensions catalog — a skills + plugins marketplace (N2)
Builds on the import engine (#44). Adds a GUI-free
catalogpackage + CLI so nib can discover and install skills and plugins from index sources — the browse/search/marketplace layer.What's new
catalogpackage — kind-taggedMeta(skill|plugin) parsed from an agentskills.io-shapedindex.json; aSourcemodel withDetectSourceKind(URL →index/wellknownhost /githubrepo).catalog.Client— injectable HTTP + GitHub endpoints; fetches per source kind: a direct index URL, a bare host's/.well-known/skills/index.json, or a GitHub repo index-first with a tree-crawl fallback (synthesizes metas fromSKILL.md/nib-plugin.yamldirs, with subtree pruning to matchHarvestPack).Merge— fetches enabled sources concurrently (race-free), stamps provenance, unions + dedupes by(kind, name, source), deterministic order; a per-source failure is non-fatal.Install— routes a catalog entry by kind (git sub-path clone or zip download → N1InstallDir), recording the real source as provenance, landing DISABLED.sources.yaml;DefaultSources()seeds agentskills.io, openclaw/agent-skills, and ago:embedbundled starter index (always-on, offline-safe). Built-in sources can be disabled but not removed.nib skill|plugin browse,search <query>,source <list|add|enable|disable|remove>, andinstall <catalog-name>(a strict fallback: existing git/local/zip/url/--linkforms are unchanged; only an unmatched bare name resolves against the catalog).Invariants / safety
Client; tests usehttptestand a stubbedvcs.Clone.Mergeis-raceclean; bundled/built-in source protections are enforced in depth and tested.Tests
Full module suite green (
go build/vet/test ./...,-race ./catalog/, gofmt clean).Known follow-ups (tracked, non-blocking)
Host-based source labels can collide on the same host; a transient 5xx during GitHub index probing is treated like a 404 (falls to crawl);
.claude-plugin/plugin.jsonisn't crawled yet; truncated GitHub trees yield a partial catalog silently.Next
This completes the nib engine (import + catalog). Downstream: Dante Desktop UI (import wizard, guided authoring, catalog Browse) over this API.
Built via subagent-driven development (implementer + independent spec/quality review per task, then a whole-branch review; the review caught and fixed the crawl subtree-prune gap).
🤖 Generated with Claude Code