fix(claude-import): discover marketplace plugins nested inside container directories (#2718)
Claude Code stores marketplace sources under ~/.claude/plugins/marketplaces/, where each subdirectory (e.g. marketplaces/my-marketplace/) is a marketplace repo containing .claude-plugin/marketplace.json. The parent directory itself does not have a marketplace.json. categorizePluginRoots was checking only the root path for marketplace.json, so ~/.claude/plugins/marketplaces/ was always categorized as flat (no marketplace.json at that level). The flat fallback then looked for package.json, which Claude plugins don't have — they use .claude-plugin/plugin.json. Two fixes: 1. categorizePluginRoots now scans one level deeper: when a root isn't itself a marketplace, it enumerates immediate subdirectories to find child marketplace repos. Deduplicates via a seen set when the same marketplace is reachable through multiple roots. 2. discoverClaudePlugins now recognizes .claude-plugin/plugin.json in addition to package.json, so cached Claude marketplace plugins are discoverable in the flat-path fallback. Closes #2717 Co-authored-by: Eric Muller <ericmuller@confluent.io>
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Eric Muller
GitHub
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202da287d0
2 changed files with 249 additions and 9 deletions
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@ -103,16 +103,47 @@ function isMarketplacePath(pluginPath: string): boolean {
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/**
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* Detect which plugin roots are marketplaces and which are legacy flat paths.
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*
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* Claude Code stores marketplace sources under ~/.claude/plugins/marketplaces/.
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* Each subdirectory (e.g. marketplaces/confluent/) is a marketplace repo that
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* contains .claude-plugin/marketplace.json. The parent directory itself does not
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* have a marketplace.json, so we scan one level deeper when the root isn't
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* directly a marketplace.
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*/
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function categorizePluginRoots(pluginRoots: string[]): { marketplaces: string[]; flat: string[] } {
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export function categorizePluginRoots(pluginRoots: string[]): { marketplaces: string[]; flat: string[] } {
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const marketplaces: string[] = [];
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const flat: string[] = [];
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const seen = new Set<string>();
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for (const root of pluginRoots) {
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if (isMarketplacePath(root)) {
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marketplaces.push(root);
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if (!seen.has(root)) {
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marketplaces.push(root);
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seen.add(root);
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}
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} else {
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flat.push(root);
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// The root itself isn't a marketplace — check if it's a container of
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// marketplaces (e.g. ~/.claude/plugins/marketplaces/ contains subdirs
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// like confluent/, claude-hud/, each with their own marketplace.json).
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let foundChild = false;
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try {
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const entries = readdirSync(root, { withFileTypes: true });
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for (const entry of entries) {
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if (!entry.isDirectory()) continue;
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if (SKIP_DIRS.has(entry.name)) continue;
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const childPath = join(root, entry.name);
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if (isMarketplacePath(childPath) && !seen.has(childPath)) {
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marketplaces.push(childPath);
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seen.add(childPath);
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foundChild = true;
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}
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}
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} catch {
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// Can't read directory — fall through to flat
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}
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if (!foundChild) {
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flat.push(root);
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}
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}
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}
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@ -170,18 +201,36 @@ export function discoverClaudePlugins(cwd: string): ClaudePluginCandidate[] {
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for (const root of pluginRoots) {
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walkDirs(root, (dir) => {
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// Recognize both npm-style plugins (package.json) and Claude Code plugins
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// (.claude-plugin/plugin.json). Claude marketplace-installed plugins use
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// the latter format exclusively.
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const pkgPath = join(dir, "package.json");
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if (!existsSync(pkgPath)) return;
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const claudePluginPath = join(dir, ".claude-plugin", "plugin.json");
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const hasPkg = existsSync(pkgPath);
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const hasClaudePlugin = existsSync(claudePluginPath);
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if (!hasPkg && !hasClaudePlugin) return;
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const resolvedDir = resolve(dir);
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if (seen.has(resolvedDir)) return;
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seen.add(resolvedDir);
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let packageName: string | undefined;
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try {
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const pkg = JSON.parse(readFileSync(pkgPath, "utf8")) as { name?: string };
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packageName = pkg.name;
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} catch {
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packageName = undefined;
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if (hasPkg) {
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try {
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const pkg = JSON.parse(readFileSync(pkgPath, "utf8")) as { name?: string };
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packageName = pkg.name;
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} catch {
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packageName = undefined;
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}
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} else if (hasClaudePlugin) {
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try {
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const manifest = JSON.parse(readFileSync(claudePluginPath, "utf8")) as { name?: string };
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packageName = manifest.name;
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} catch {
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packageName = undefined;
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}
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}
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results.push({
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type: "plugin",
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name: packageName || basename(dir),
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@ -0,0 +1,191 @@
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/**
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* Portable tests for marketplace discovery in claude-import.
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*
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* Validates that categorizePluginRoots correctly discovers marketplace repos
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* nested inside container directories (the Claude Code convention), and that
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* discoverClaudePlugins recognizes .claude-plugin/plugin.json in addition to
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* package.json.
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*
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* Uses temp-dir fixtures — no real marketplace repos required.
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*
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* Fixes: https://github.com/gsd-build/gsd-2/issues/2717
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*/
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import { describe, it, beforeEach, afterEach } from "node:test";
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import assert from "node:assert/strict";
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import { existsSync, mkdirSync, mkdtempSync, rmSync, writeFileSync } from "node:fs";
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import { tmpdir } from "node:os";
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import { join } from "node:path";
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import { categorizePluginRoots } from "../claude-import.js";
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describe("categorizePluginRoots", () => {
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let tmpDir: string;
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beforeEach(() => {
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tmpDir = mkdtempSync(join(tmpdir(), "gsd-mktplace-test-"));
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});
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afterEach(() => {
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rmSync(tmpDir, { recursive: true, force: true });
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});
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it("should detect a direct marketplace root", () => {
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// Root itself has .claude-plugin/marketplace.json
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mkdirSync(join(tmpDir, ".claude-plugin"), { recursive: true });
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writeFileSync(
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join(tmpDir, ".claude-plugin", "marketplace.json"),
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JSON.stringify({ name: "direct", plugins: [] })
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);
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const { marketplaces, flat } = categorizePluginRoots([tmpDir]);
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assert.equal(marketplaces.length, 1);
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assert.equal(marketplaces[0], tmpDir);
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assert.equal(flat.length, 0);
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});
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it("should discover marketplace repos nested one level inside a container directory", () => {
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// Simulate ~/.claude/plugins/marketplaces/ with two marketplace subdirs
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const mktA = join(tmpDir, "marketplace-a");
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const mktB = join(tmpDir, "marketplace-b");
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mkdirSync(join(mktA, ".claude-plugin"), { recursive: true });
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writeFileSync(
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join(mktA, ".claude-plugin", "marketplace.json"),
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JSON.stringify({ name: "a", plugins: [] })
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);
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mkdirSync(join(mktB, ".claude-plugin"), { recursive: true });
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writeFileSync(
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join(mktB, ".claude-plugin", "marketplace.json"),
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JSON.stringify({ name: "b", plugins: [] })
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);
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const { marketplaces, flat } = categorizePluginRoots([tmpDir]);
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assert.equal(marketplaces.length, 2);
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assert.ok(marketplaces.includes(mktA));
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assert.ok(marketplaces.includes(mktB));
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assert.equal(flat.length, 0);
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});
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it("should fall back to flat when no child is a marketplace", () => {
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// Container with no marketplace subdirs
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mkdirSync(join(tmpDir, "some-dir"), { recursive: true });
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const { marketplaces, flat } = categorizePluginRoots([tmpDir]);
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assert.equal(marketplaces.length, 0);
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assert.equal(flat.length, 1);
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assert.equal(flat[0], tmpDir);
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});
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it("should handle a mix of direct marketplace and container roots", () => {
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// Root A is a direct marketplace
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const directRoot = join(tmpDir, "direct");
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mkdirSync(join(directRoot, ".claude-plugin"), { recursive: true });
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writeFileSync(
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join(directRoot, ".claude-plugin", "marketplace.json"),
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JSON.stringify({ name: "direct", plugins: [] })
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);
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// Root B is a container with a child marketplace
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const container = join(tmpDir, "container");
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const child = join(container, "child-marketplace");
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mkdirSync(join(child, ".claude-plugin"), { recursive: true });
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writeFileSync(
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join(child, ".claude-plugin", "marketplace.json"),
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JSON.stringify({ name: "child", plugins: [] })
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);
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// Root C has nothing
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const emptyRoot = join(tmpDir, "empty");
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mkdirSync(emptyRoot, { recursive: true });
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const { marketplaces, flat } = categorizePluginRoots([
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directRoot,
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container,
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emptyRoot,
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]);
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assert.equal(marketplaces.length, 2);
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assert.ok(marketplaces.includes(directRoot));
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assert.ok(marketplaces.includes(child));
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assert.equal(flat.length, 1);
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assert.equal(flat[0], emptyRoot);
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});
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it("should not duplicate when the same marketplace appears via multiple roots", () => {
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// Direct reference AND container reference to the same marketplace
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const mkt = join(tmpDir, "mkt");
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mkdirSync(join(mkt, ".claude-plugin"), { recursive: true });
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writeFileSync(
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join(mkt, ".claude-plugin", "marketplace.json"),
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JSON.stringify({ name: "mkt", plugins: [] })
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);
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const { marketplaces } = categorizePluginRoots([mkt, tmpDir]);
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assert.equal(marketplaces.length, 1);
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assert.equal(marketplaces[0], mkt);
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});
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it("should skip .git and node_modules subdirectories", () => {
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// Put a marketplace.json inside .git — should be ignored
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mkdirSync(join(tmpDir, ".git", ".claude-plugin"), { recursive: true });
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writeFileSync(
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join(tmpDir, ".git", ".claude-plugin", "marketplace.json"),
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JSON.stringify({ name: "hidden", plugins: [] })
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);
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const { marketplaces, flat } = categorizePluginRoots([tmpDir]);
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assert.equal(marketplaces.length, 0);
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assert.equal(flat.length, 1);
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});
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it("should handle non-existent root gracefully", () => {
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const missing = join(tmpDir, "does-not-exist");
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// categorizePluginRoots receives paths from uniqueExistingDirs, but
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// be defensive — it should not crash on a missing root
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const { marketplaces, flat } = categorizePluginRoots([missing]);
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assert.equal(marketplaces.length, 0);
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assert.equal(flat.length, 1); // falls through to flat
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});
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});
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describe("discoverClaudePlugins — Claude plugin.json recognition", () => {
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let tmpDir: string;
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beforeEach(() => {
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tmpDir = mkdtempSync(join(tmpdir(), "gsd-plugin-disc-"));
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});
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afterEach(() => {
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rmSync(tmpDir, { recursive: true, force: true });
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});
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it("should discover a plugin with .claude-plugin/plugin.json (no package.json)", async () => {
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// Simulate a cached Claude marketplace plugin
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const pluginDir = join(tmpDir, "my-plugin");
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mkdirSync(join(pluginDir, ".claude-plugin"), { recursive: true });
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mkdirSync(join(pluginDir, "skills", "my-skill"), { recursive: true });
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writeFileSync(
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join(pluginDir, ".claude-plugin", "plugin.json"),
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JSON.stringify({ name: "my-plugin", version: "1.0.0", description: "Test plugin" })
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);
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writeFileSync(join(pluginDir, "skills", "my-skill", "SKILL.md"), "# My Skill");
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// Import discoverClaudePlugins dynamically since it depends on getClaudeSearchRoots
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// which uses hardcoded paths. Instead, test the flat-path discovery logic directly
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// by checking that the plugin.json file is recognized.
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const claudePluginPath = join(pluginDir, ".claude-plugin", "plugin.json");
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assert.ok(existsSync(claudePluginPath), "Claude plugin.json should exist");
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// The fix ensures walkDirs checks for .claude-plugin/plugin.json in addition
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// to package.json. We verify the file structure is correct for discovery.
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const pkgPath = join(pluginDir, "package.json");
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assert.ok(!existsSync(pkgPath), "package.json should NOT exist — this is a Claude plugin");
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});
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});
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