feat(skills): add registry discovery list/show commands

docs/plans/2026-02-16-clawhub-registry-checklist.md

@@ -50,12 +50,12 @@ Tests:
 
 Checklist:
 
-- [ ] Add `flynn skills registry list` command (table/text + `--json`).
-- [ ] Add `flynn skills registry show <id>` command (entry detail + source fields).
-- [ ] Add filtering options:
-  - [ ] `--search <term>`
-  - [ ] `--publisher <name>`
-- [ ] Ensure output clearly marks trust metadata as declared/unverified.
+- [x] Add `flynn skills registry list` command (table/text + `--json`).
+- [x] Add `flynn skills registry show <id>` command (entry detail + source fields).
+- [x] Add filtering options:
+  - [x] `--search <term>`
+  - [x] `--publisher <name>`
+- [x] Ensure output clearly marks trust metadata as declared/unverified.
 
 Acceptance:
 
@@ -63,7 +63,7 @@ Acceptance:
 
 Tests:
 
-- [ ] Command tests for text + JSON output paths.
+- [x] Command tests for text + JSON output paths.
 
 ---
 

docs/plans/state.json

@@ -216,7 +216,7 @@
       "status": "in_progress",
       "date": "2026-02-16",
       "updated": "2026-02-16",
-      "summary": "Started ClawHub registry milestone with Phase 1 complete: added validated registry catalog loader/parser with local file + HTTPS source support and tests. Next step is CLI registry discovery UX.",
+      "summary": "Completed Phase 2 CLI discovery UX for ClawHub registry: added `flynn skills registry list/show` with JSON/text output, search and publisher filtering, source resolution via flag/env, and explicit declared/unverified trust metadata labeling.",
       "files_created": [
         "docs/plans/2026-02-16-clawhub-registry-checklist.md",
         "src/skills/registrySource.ts",
@@ -224,9 +224,12 @@
       ],
       "files_modified": [
         "src/skills/index.ts",
+        "src/cli/skills.ts",
+        "src/cli/skills.test.ts",
+        "docs/plans/2026-02-16-clawhub-registry-checklist.md",
         "docs/plans/state.json"
       ],
-      "test_status": "pnpm test:run src/skills/registrySource.test.ts + pnpm typecheck passing"
+      "test_status": "pnpm test:run src/skills/registrySource.test.ts src/cli/skills.test.ts + pnpm typecheck passing"
     },
     "credential-system-v2-api-and-oauth": {
       "file": "2026-02-15-credential-system-v2-api-and-oauth-checklist.md",
@@ -2767,7 +2770,7 @@
     "gmail_auth_cli": "flynn gmail-auth command implemented with OAuth2 flow, doctor check, config routed to Telegram",
     "native_audio_support": "completed — smart routing for native audio (Gemini/OpenAI/GitHub) vs Whisper transcription fallback",
     "remaining_phases_completion": "Phase 1: 3/3 (100%) — context levels, command registry, memory structure. Phase 2: 3/3 (100%) — component registry, confidence routing, history index. Phase 3: 2/2 (100%) — adaptive memory/compaction, truthfulness/autonomy hardening",
-    "next_up": "ClawHub registry Phase 2: add CLI discovery commands (registry list/show with JSON + filtering)"
+    "next_up": "ClawHub registry Phase 3: add install-by-registry-id flow with source resolution and confirmation gates"
   },
   "soul_md_and_cron_create": {
     "date": "2026-02-11",

src/cli/skills.test.ts

@@ -39,6 +39,12 @@ import {
   resolveSkillInstallerCommandRunner,
   runSkillExecuteAction,
   runSkillInstallAction,
+  toSkillRegistryListRows,
+  renderSkillRegistryTable,
+  renderSkillRegistryEntry,
+  filterSkillRegistryEntries,
+  resolveSkillRegistrySource,
+  describeRegistryTrust,
   registerSkillsCommand,
 } from './skills.js';
 import type { Skill } from '../skills/index.js';
@@ -102,6 +108,33 @@ function writeSkillsCliConfig(
   );
 }
 
+function writeSkillRegistryCatalog(path: string): void {
+  writeFileSync(
+    path,
+    JSON.stringify({
+      skills: [
+        {
+          id: 'todoist',
+          name: 'Todoist',
+          version: '1.2.3',
+          source: 'https://example.com/skills/todoist.git',
+          summary: 'Task manager integration',
+          publisher: 'Acme',
+          homepage: 'https://example.com/todoist',
+        },
+        {
+          id: 'calendar',
+          name: 'Calendar',
+          version: '2.0.0',
+          source: './skills/calendar',
+          summary: 'Calendar sync',
+        },
+      ],
+    }),
+    'utf-8',
+  );
+}
+
 describe('skills CLI helpers', () => {
   it('maps and sorts skill rows', () => {
     const rows = toSkillListRows([
@@ -164,6 +197,105 @@ describe('skills CLI helpers', () => {
     expect(output).toContain('Directory: /opt/flynn/skills/deploy');
   });
 
+  it('maps and sorts registry rows with trust status', () => {
+    const rows = toSkillRegistryListRows([
+      {
+        id: 'zeta',
+        name: 'Zeta',
+        version: '1.0.0',
+        source: 'https://example.com/zeta.git',
+        summary: 'zeta',
+      },
+      {
+        id: 'alpha',
+        name: 'Alpha',
+        version: '1.0.0',
+        source: 'https://example.com/alpha.git',
+        summary: 'alpha',
+        publisher: 'Acme',
+      },
+    ]);
+
+    expect(rows.map((row) => row.id)).toEqual(['alpha', 'zeta']);
+    expect(rows[0]?.trust).toBe('declared_unverified');
+    expect(rows[1]?.trust).toBe('none_declared');
+  });
+
+  it('filters registry entries by search and publisher', () => {
+    const entries = [
+      {
+        id: 'todoist',
+        name: 'Todoist',
+        version: '1.2.3',
+        source: 'https://example.com/todoist.git',
+        summary: 'Task manager',
+        publisher: 'Acme',
+      },
+      {
+        id: 'calendar',
+        name: 'Calendar',
+        version: '2.0.0',
+        source: 'https://example.com/calendar.git',
+        summary: 'Calendar sync',
+        publisher: 'Orbit',
+      },
+    ];
+
+    expect(filterSkillRegistryEntries(entries, { search: 'task' }).map((entry) => entry.id)).toEqual(['todoist']);
+    expect(filterSkillRegistryEntries(entries, { publisher: 'acme' }).map((entry) => entry.id)).toEqual(['todoist']);
+    expect(filterSkillRegistryEntries(entries, { search: 'calendar', publisher: 'acme' })).toEqual([]);
+  });
+
+  it('renders no-registry-items text when empty', () => {
+    expect(renderSkillRegistryTable([])).toBe('No registry skills found.');
+  });
+
+  it('renders registry entry with trust note and declared fields', () => {
+    const output = renderSkillRegistryEntry({
+      id: 'todoist',
+      name: 'Todoist',
+      version: '1.2.3',
+      source: 'https://example.com/skills/todoist.git',
+      summary: 'Task manager integration',
+      publisher: 'Acme',
+      homepage: 'https://example.com/todoist',
+      sha256: 'abc123',
+    });
+
+    expect(output).toContain('ID: todoist');
+    expect(output).toContain('Trust: declared (unverified)');
+    expect(output).toContain('Publisher (declared): Acme');
+    expect(output).toContain('SHA256 (declared): abc123');
+  });
+
+  it('describes trust metadata and resolves registry source values', () => {
+    const declaredTrust = describeRegistryTrust({
+      id: 'todoist',
+      name: 'Todoist',
+      version: '1.2.3',
+      source: 'https://example.com/skills/todoist.git',
+      summary: 'Task manager integration',
+      publisher: 'Acme',
+    });
+    expect(declaredTrust.status).toBe('declared_unverified');
+
+    const noneTrust = describeRegistryTrust({
+      id: 'calendar',
+      name: 'Calendar',
+      version: '2.0.0',
+      source: './skills/calendar',
+      summary: 'Calendar sync',
+    });
+    expect(noneTrust.status).toBe('none_declared');
+
+    expect(resolveSkillRegistrySource('./registry.json').source).toEqual({ type: 'file', path: './registry.json' });
+    expect(resolveSkillRegistrySource('https://registry.example/catalog.json').source).toEqual({
+      type: 'url',
+      url: 'https://registry.example/catalog.json',
+    });
+    expect(resolveSkillRegistrySource('http://registry.example/catalog.json').error).toContain('https://');
+  });
+
   it('renders unavailable reasons when skill is unavailable', () => {
     const output = renderSkillInfo(
       buildSkill({
@@ -1569,6 +1701,116 @@ describe('skills CLI helpers', () => {
     rmSync(root, { recursive: true, force: true });
   });
 
+  it('skills registry list renders text output from source file', async () => {
+    const root = mkdtempSync(join(tmpdir(), 'flynn-skills-cli-'));
+    const registryPath = join(root, 'registry.json');
+    writeSkillRegistryCatalog(registryPath);
+
+    const program = new Command();
+    registerSkillsCommand(program);
+
+    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => undefined);
+    const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined);
+    process.exitCode = undefined;
+
+    await program.parseAsync(['skills', 'registry', 'list', '--source', registryPath], { from: 'user' });
+
+    expect(logSpy).toHaveBeenCalledTimes(1);
+    const output = String(logSpy.mock.calls[0]?.[0]);
+    expect(output).toContain('ID');
+    expect(output).toContain('todoist');
+    expect(output).toContain('declared_unverified');
+    expect(errorSpy).not.toHaveBeenCalled();
+    expect(process.exitCode).toBeUndefined();
+
+    logSpy.mockRestore();
+    errorSpy.mockRestore();
+    process.exitCode = undefined;
+    rmSync(root, { recursive: true, force: true });
+  });
+
+  it('skills registry list supports json output and filtering', async () => {
+    const root = mkdtempSync(join(tmpdir(), 'flynn-skills-cli-'));
+    const registryPath = join(root, 'registry.json');
+    writeSkillRegistryCatalog(registryPath);
+
+    const program = new Command();
+    registerSkillsCommand(program);
+
+    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => undefined);
+    process.exitCode = undefined;
+
+    await program.parseAsync(
+      ['skills', 'registry', 'list', '--source', registryPath, '--search', 'task', '--publisher', 'acme', '--json'],
+      { from: 'user' },
+    );
+
+    const payload = JSON.parse(String(logSpy.mock.calls[0]?.[0]));
+    expect(payload).toHaveLength(1);
+    expect(payload[0]?.id).toBe('todoist');
+    expect(payload[0]?.trust_label).toBe('declared (unverified)');
+    expect(process.exitCode).toBeUndefined();
+
+    logSpy.mockRestore();
+    process.exitCode = undefined;
+    rmSync(root, { recursive: true, force: true });
+  });
+
+  it('skills registry show outputs entry details and json trust metadata', async () => {
+    const root = mkdtempSync(join(tmpdir(), 'flynn-skills-cli-'));
+    const registryPath = join(root, 'registry.json');
+    writeSkillRegistryCatalog(registryPath);
+
+    const program = new Command();
+    registerSkillsCommand(program);
+
+    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => undefined);
+    process.exitCode = undefined;
+
+    await program.parseAsync(['skills', 'registry', 'show', 'todoist', '--source', registryPath], { from: 'user' });
+    const text = String(logSpy.mock.calls[0]?.[0]);
+    expect(text).toContain('ID: todoist');
+    expect(text).toContain('Trust note:');
+
+    logSpy.mockClear();
+
+    await program.parseAsync(['skills', 'registry', 'show', 'todoist', '--source', registryPath, '--json'], { from: 'user' });
+    const payload = JSON.parse(String(logSpy.mock.calls[0]?.[0]));
+    expect(payload.id).toBe('todoist');
+    expect(payload.trust_metadata.status).toBe('declared_unverified');
+
+    logSpy.mockRestore();
+    process.exitCode = undefined;
+    rmSync(root, { recursive: true, force: true });
+  });
+
+  it('skills registry commands report source/lookup errors', async () => {
+    const root = mkdtempSync(join(tmpdir(), 'flynn-skills-cli-'));
+    const registryPath = join(root, 'registry.json');
+    writeSkillRegistryCatalog(registryPath);
+
+    const program = new Command();
+    registerSkillsCommand(program);
+
+    const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined);
+    process.exitCode = undefined;
+
+    await program.parseAsync(['skills', 'registry', 'list', '--source', 'http://registry.example/catalog.json'], { from: 'user' });
+    expect(errorSpy).toHaveBeenCalledWith("Registry URL must use https:// (http://registry.example/catalog.json)");
+    expect(process.exitCode).toBe(1);
+
+    errorSpy.mockClear();
+    process.exitCode = undefined;
+
+    await program.parseAsync(['skills', 'registry', 'show', 'missing', '--source', registryPath], { from: 'user' });
+    expect(errorSpy).toHaveBeenCalledWith("Registry skill 'missing' not found.");
+    expect(process.exitCode).toBe(1);
+
+    errorSpy.mockRestore();
+    process.exitCode = undefined;
+    rmSync(root, { recursive: true, force: true });
+  });
+
   it('skills install reports invalid runner via CLI option parsing path', async () => {
     const root = mkdtempSync(join(tmpdir(), 'flynn-skills-cli-'));
     const configPath = join(root, 'config.yaml');

src/cli/skills.ts

@@ -8,8 +8,8 @@ import { auditLogger } from '../audit/index.js';
 import { queryAuditLogs } from '../audit/export.js';
 import type { AuditEvent } from '../audit/types.js';
 import type { Config } from '../config/schema.js';
-import type { Skill } from '../skills/index.js';
-import { loadAllSkills, SkillInstaller, buildInstallerPlan, loadSkill } from '../skills/index.js';
+import type { Skill, SkillRegistryEntry, SkillRegistrySource } from '../skills/index.js';
+import { loadAllSkills, SkillInstaller, buildInstallerPlan, loadSkill, loadSkillRegistryCatalog } from '../skills/index.js';
 import type { SkillPermissions } from '../skills/types.js';
 import { loadConfigSafe } from './shared.js';
 
@@ -20,6 +20,15 @@ export interface SkillListRow {
   reason?: string;
 }
 
+export interface SkillRegistryListRow {
+  id: string;
+  name: string;
+  version: string;
+  publisher: string;
+  trust: 'declared_unverified' | 'none_declared';
+  summary: string;
+}
+
 export interface SkillRefreshSummary {
   total: number;
   available: number;
@@ -27,6 +36,143 @@ export interface SkillRefreshSummary {
   tiers: Record<Skill['manifest']['tier'], number>;
 }
 
+const SKILL_REGISTRY_SOURCE_ENV = 'FLYNN_SKILLS_REGISTRY_SOURCE';
+
+function hasDeclaredTrustMetadata(entry: SkillRegistryEntry): boolean {
+  return Boolean(entry.publisher || entry.homepage || entry.sha256);
+}
+
+export function describeRegistryTrust(entry: SkillRegistryEntry): {
+  status: 'declared_unverified' | 'none_declared';
+  label: string;
+  note: string;
+} {
+  if (hasDeclaredTrustMetadata(entry)) {
+    return {
+      status: 'declared_unverified',
+      label: 'declared (unverified)',
+      note: 'Trust metadata is declared by registry publishers and not verified by Flynn.',
+    };
+  }
+
+  return {
+    status: 'none_declared',
+    label: 'none declared',
+    note: 'No trust metadata was declared by the registry; all metadata remains unverified by Flynn.',
+  };
+}
+
+export function toSkillRegistryListRows(entries: SkillRegistryEntry[]): SkillRegistryListRow[] {
+  return entries
+    .map((entry) => {
+      const trust = describeRegistryTrust(entry);
+      return {
+        id: entry.id,
+        name: entry.name,
+        version: entry.version,
+        publisher: entry.publisher ?? '-',
+        trust: trust.status,
+        summary: entry.summary,
+      };
+    })
+    .sort((a, b) => a.id.localeCompare(b.id));
+}
+
+export function filterSkillRegistryEntries(
+  entries: SkillRegistryEntry[],
+  opts: { search?: string; publisher?: string },
+): SkillRegistryEntry[] {
+  const search = opts.search?.trim().toLowerCase();
+  const publisher = opts.publisher?.trim().toLowerCase();
+
+  return entries.filter((entry) => {
+    if (publisher) {
+      const value = (entry.publisher ?? '').toLowerCase();
+      if (value !== publisher) {
+        return false;
+      }
+    }
+
+    if (!search) {
+      return true;
+    }
+
+    const haystack = [entry.id, entry.name, entry.summary, entry.publisher ?? ''].join(' ').toLowerCase();
+    return haystack.includes(search);
+  });
+}
+
+export function renderSkillRegistryTable(rows: SkillRegistryListRow[]): string {
+  if (rows.length === 0) {
+    return 'No registry skills found.';
+  }
+
+  const idWidth = Math.max('ID'.length, ...rows.map((row) => row.id.length));
+  const nameWidth = Math.max('NAME'.length, ...rows.map((row) => row.name.length));
+  const versionWidth = Math.max('VERSION'.length, ...rows.map((row) => row.version.length));
+  const publisherWidth = Math.max('PUBLISHER'.length, ...rows.map((row) => row.publisher.length));
+  const trustWidth = Math.max('TRUST'.length, ...rows.map((row) => row.trust.length));
+
+  const lines = [
+    `${'ID'.padEnd(idWidth)}  ${'NAME'.padEnd(nameWidth)}  ${'VERSION'.padEnd(versionWidth)}  ${'PUBLISHER'.padEnd(publisherWidth)}  ${'TRUST'.padEnd(trustWidth)}  SUMMARY`,
+    `${'-'.repeat(idWidth)}  ${'-'.repeat(nameWidth)}  ${'-'.repeat(versionWidth)}  ${'-'.repeat(publisherWidth)}  ${'-'.repeat(trustWidth)}  -------`,
+  ];
+
+  for (const row of rows) {
+    lines.push(
+      `${row.id.padEnd(idWidth)}  ${row.name.padEnd(nameWidth)}  ${row.version.padEnd(versionWidth)}  ${row.publisher.padEnd(publisherWidth)}  ${row.trust.padEnd(trustWidth)}  ${row.summary}`,
+    );
+  }
+
+  return lines.join('\n');
+}
+
+export function renderSkillRegistryEntry(entry: SkillRegistryEntry): string {
+  const trust = describeRegistryTrust(entry);
+  const lines = [
+    `ID: ${entry.id}`,
+    `Name: ${entry.name}`,
+    `Version: ${entry.version}`,
+    `Summary: ${entry.summary}`,
+    `Source: ${entry.source}`,
+    `Trust: ${trust.label}`,
+    `Trust note: ${trust.note}`,
+  ];
+
+  if (entry.publisher) {
+    lines.push(`Publisher (declared): ${entry.publisher}`);
+  }
+  if (entry.homepage) {
+    lines.push(`Homepage (declared): ${entry.homepage}`);
+  }
+  if (entry.sha256) {
+    lines.push(`SHA256 (declared): ${entry.sha256}`);
+  }
+
+  return lines.join('\n');
+}
+
+export function resolveSkillRegistrySource(
+  sourceArg?: string,
+): { source?: SkillRegistrySource; error?: string } {
+  const raw = sourceArg?.trim() || process.env[SKILL_REGISTRY_SOURCE_ENV]?.trim();
+  if (!raw) {
+    return {
+      error: `Registry source is required. Pass --source <path-or-https-url> or set ${SKILL_REGISTRY_SOURCE_ENV}.`,
+    };
+  }
+
+  if (raw.startsWith('http://')) {
+    return { error: `Registry URL must use https:// (${raw})` };
+  }
+
+  if (raw.startsWith('https://')) {
+    return { source: { type: 'url', url: raw } };
+  }
+
+  return { source: { type: 'file', path: raw } };
+}
+
 export interface SkillInstallerPlanView {
   skill: {
     name: string;
@@ -1292,6 +1438,99 @@ export function registerSkillsCommand(program: Command): void {
       console.log(renderSkillInfo(skill));
     });
 
+  const registry = skills
+    .command('registry')
+    .description('Discover skills from a registry catalog')
+    .action(() => {
+      registry.outputHelp();
+    });
+
+  registry
+    .command('list')
+    .description('List skills from a registry catalog')
+    .option('--source <path-or-url>', 'Registry catalog source (local file path or HTTPS URL)')
+    .option('--search <term>', 'Filter by id/name/summary/publisher')
+    .option('--publisher <name>', 'Filter by exact publisher name (case-insensitive)')
+    .option('--json', 'Output as JSON')
+    .action(async (opts: { source?: string; search?: string; publisher?: string; json?: boolean }) => {
+      const sourceResult = resolveSkillRegistrySource(opts.source);
+      if (sourceResult.error || !sourceResult.source) {
+        console.error(sourceResult.error ?? 'Failed to resolve registry source.');
+        process.exitCode = 1;
+        return;
+      }
+
+      try {
+        const catalog = await loadSkillRegistryCatalog(sourceResult.source);
+        const filtered = filterSkillRegistryEntries(catalog.skills, {
+          search: opts.search,
+          publisher: opts.publisher,
+        });
+        if (opts.json) {
+          const rows = toSkillRegistryListRows(filtered).map((row) => ({
+            ...row,
+            trust_label: row.trust === 'declared_unverified' ? 'declared (unverified)' : 'none declared',
+          }));
+          console.log(JSON.stringify(rows, null, 2));
+          return;
+        }
+
+        console.log(renderSkillRegistryTable(toSkillRegistryListRows(filtered)));
+      } catch (error) {
+        console.error(error instanceof Error ? error.message : String(error));
+        process.exitCode = 1;
+      }
+    });
+
+  registry
+    .command('show <id>')
+    .description('Show details for a registry entry')
+    .option('--source <path-or-url>', 'Registry catalog source (local file path or HTTPS URL)')
+    .option('--json', 'Output as JSON')
+    .action(async (id: string, opts: { source?: string; json?: boolean }) => {
+      const sourceResult = resolveSkillRegistrySource(opts.source);
+      if (sourceResult.error || !sourceResult.source) {
+        console.error(sourceResult.error ?? 'Failed to resolve registry source.');
+        process.exitCode = 1;
+        return;
+      }
+
+      try {
+        const catalog = await loadSkillRegistryCatalog(sourceResult.source);
+        const normalizedId = id.trim().toLowerCase();
+        const entry = catalog.skills.find((item) => item.id.toLowerCase() === normalizedId);
+        if (!entry) {
+          console.error(`Registry skill '${id}' not found.`);
+          process.exitCode = 1;
+          return;
+        }
+
+        const trust = describeRegistryTrust(entry);
+        if (opts.json) {
+          console.log(
+            JSON.stringify(
+              {
+                ...entry,
+                trust_metadata: {
+                  status: trust.status,
+                  label: trust.label,
+                  note: trust.note,
+                },
+              },
+              null,
+              2,
+            ),
+          );
+          return;
+        }
+
+        console.log(renderSkillRegistryEntry(entry));
+      } catch (error) {
+        console.error(error instanceof Error ? error.message : String(error));
+        process.exitCode = 1;
+      }
+    });
+
   skills
     .command('install <path>')
     .description('Install a skill from a local directory')