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feat(claude): list opencodex models in the Claude Code CLI first-party /model picker - #6418
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…y /model picker With claudeCode.cliFirstParty on, a plain `claude` now lists routed models in /model. The intercept listener merges rows into the CLI's served catalog (GET /api/organizations/<org>/model_selector/cc, cc surface) and the fallback /api/claude_cli/bootstrap additional_model_options, only for CLI-classified clients with CLI first-party on, failing open on any error. Rows use Desktop 3P registry aliases (the CLI offers only Claude-shaped ids) and only ones the registry decodes; a shared deduped registry build serves startup and the CLI picker. Claude Code's cached *-cc.json catalog is dropped when the settings env is written and on every successful first-party reconcile. CLI requests using a registry alias keep the Code usage surface instead of being counted as Claude Desktop.
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Navigate logical layers of code changes, visualize relationships, and explore their blast radius. No actionable comments were generated in the recent review. 🎉 ℹ️ Recent review info⚙️ Run configurationConfiguration used: Repository: lidge-jun/opencodex/.coderabbit.yaml Review profile: ASSERTIVE Plan: Advanced Run ID: 📒 Files selected for processing (7)
Included review availability: This review used your included allowance. Your plan provides up to 10 included reviews per hour; 8 remain after this review. 📝 WalkthroughWalkthroughThe change adds registry-backed model rows to eligible Claude Code CLI picker catalogs. It connects snapshot generation, catalog response rewriting, and cache invalidation to the intercept listener. It also updates registry startup, request classification, integration tests, invariants, and documentation. ChangesClaude Code CLI picker
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant ClaudeCLI
participant ClaudeInterceptListener
participant CliCatalogProvider
participant Desktop3pRegistry
participant Anthropic
ClaudeCLI->>ClaudeInterceptListener: Request picker catalog
ClaudeInterceptListener->>CliCatalogProvider: Request eligible catalog rows
CliCatalogProvider->>Desktop3pRegistry: Ensure registry and validate aliases
Desktop3pRegistry-->>CliCatalogProvider: Return alias resolutions
CliCatalogProvider-->>ClaudeInterceptListener: Return routable rows
ClaudeInterceptListener->>Anthropic: Relay catalog request
Anthropic-->>ClaudeInterceptListener: Return catalog response
ClaudeInterceptListener-->>ClaudeCLI: Return rewritten or unchanged response
Merge Risk: ⚪ Minimal · up to The CLI picker changes preserve Desktop surfaces and upstream fallback behavior, with route validation and cache invalidation supporting model selection. No merge-blocking issue is established; merge after normal checks pass. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to The new choices are opt-in and checked against the destinations they represent. No security regression was established, but behavior during simultaneous configuration changes remains partly unverified. Retained concerns Security review detailsSecurity Blast Radius
Trust Boundaries and Controls
Resilience and Maintainability Implications
Hardening Proposals
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 43.90% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 41 functions across 15 files. (1 skipped: 1 unsupported.)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Actionable comments posted: 2
- 🪄 Fix CodeRabbit comments on this PR
🤖 Prompt to fix review comments
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Inline comments:
Review comments at @src/claude/desktop-3p-startup.ts:
- Around line 45-52: Update ensureDesktop3pRegistry to throttle sequential
initialization attempts when initDesktop3pRegistry fails or leaves the registry
empty, so eligible requests do not repeatedly trigger discovery and entitlement
resolution. Preserve the existing pending guard for concurrent calls and the
populated-registry early return; allow retries again after a bounded cooldown.
Review comments at @src/claude/intercept/picker-models.ts:
- Around line 90-93: Update routableCliPickerModels to exclude persisted rows
whose resolved alias route differs from the route recorded in their labeled
description; keep rejecting unresolved aliases and preserve existing handling
for rows without that route label.
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Configuration used: Repository: lidge-jun/opencodex/.coderabbit.yaml
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📒 Files selected for processing (22)
devlog/_plan/261002_claude_cli_picker/010_plan.mddevlog/_plan/261002_claude_cli_picker/020_audit.mddocs-site/src/content/docs/guides/claude-code.mdscripts/test-layout/layout.jsonsrc/claude/desktop-3p-startup.tssrc/claude/desktop-3p.tssrc/claude/first-party-settings.tssrc/claude/intercept/cli-catalog.tssrc/claude/intercept/cli-picker.tssrc/claude/intercept/listener.tssrc/claude/intercept/picker-bootstrap.tssrc/claude/intercept/picker-models.tssrc/claude/intercept/runtime.tssrc/claude/intercept/settings.tssrc/cli/index.tssrc/server/claude-messages.tsstructure/overview.mdstructure/runtime.mdtests/claude-integration/claude-cli-picker-surface.test.tstests/claude-integration/claude-cli-picker.test.tstests/fixtures/test-layout-expected.jsontests/providers/xai/grok-lifecycle.test.ts
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Await the shared registry build before re-checking a persisted snapshot after a restart, re-check each row against the route it was minted for, stream the catalog body under the 16 MiB cap instead of buffering it, and stop on-demand registry retries for 30 s after a failed or empty build.
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Maintainer integration decision (dev, admin bypass per MAINTAINERS.md): merging at exact head 6e1caad.
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Summary
With Claude Code CLI first-party mode on (
claudeCode.cliFirstParty), a plainclaudeused to list only Anthropic models in/model. Claude Desktop's picker mode already showed opencodex routes, but the CLI had no equivalent. After this change, a newclaudesession lists routed models such as "Xai/grok 4.7 (hub)", each described asopencodex · <route>. Picking one routes that session through OpenCodex.How it works:
claudebuilds/modelfromGET api.anthropic.com/api/organizations/<org>/model_selector/cc. Older or flag-off sessions use theadditional_model_optionsfield ofGET /api/claude_cli/bootstrapinstead. Both already pass through the intercept TLS listener. A newcliCataloghook (src/claude/intercept/cli-catalog.ts) merges opencodex rows into theccsurface only, and into the bootstrap fallback. Desktop'sccd/codesurfaces are untouched.cccatalog is rewritten only for a CLI-classified User-Agent (claude-cli/<v> (external, cli)) with CLI first-party on. Claude Code caches that catalog on disk for every process, so a Desktop-spawned process must not seed rows a plainclaudecannot route. The bootstrap request has no entrypoint in its User-Agent, so it follows CLI intent alone. Any failure (non-2xx, oversize, unparsable, nothing added, or a provider error) relays the upstream bytes unchanged.ocx-claude-*rows rendering "Update Claude Code to use this model", whileclaude-opus-4-8-<date|pXXX|hash>[1m]rows were selectable.buildCliPickerModelstherefore uses Desktop 3P registry aliases, and only ones the registry decodes back to the same route. A newsrc/claude/desktop-3p-startup.tsgives startup and the CLI picker one deduplicated registry build, so aclaudelaunched right after OpenCodex starts still gets decodable rows.src/claude/intercept/cli-picker.tsbuilds the list lazily (cold wait 2.5 s) and persists the snapshot.<claudeConfigDir>/cache/model-catalog/*-cc.jsonfor about an hour. Those files are dropped whenever the intercept settings env is written, and on every successfulreconcileClaudeFirstPartySettings(the toggle andocx ensure). Desktop's*-ccd.jsonis left alone.src/server/claude-messages.tsused to count any registry alias as Claude Desktop traffic. A CLI-classified request using one now stays on the Code surface and no longer marks Desktop as active.Docs:
guides/claude-code.mdhas a new "Model picker in the CLI" subsection.structure/runtime.mddescribes the contract, andstructure/overview.mdadds INV-CLIPICKER-01.Verification
Live test (macOS, Claude Code 2.1.287, first-party OAuth).
OPENCODEX_HOME, so it made no client writes. Its only provider forwarded to the running OpenCodex.cliFirstPartywas on, and~/.claude/settings.jsonwas written throughapplyClaudeInterceptSettings, which removed only the*-cc.jsoncaches.claudein tmux (no extra env) listed 30+ routed rows in/model.OCX-PICKER-OK. The usage log showsprovider: hub, model: xai/grok-4.7, inbound: messages.removeClaudeInterceptSettingsand are byte-identical to the backup.bun run typecheck,bun run structure:checkandbun run privacy:scanpass.Focused tests.
tests/claude-integration/*(picker, intercept, first-party, desktop-3p, settings, messages) plus grok-lifecycle, test-layout, core-lab-boundary, structure-ssot, file-size-ratchet, repo-hygiene and usage-surfaces: 458 + 54 pass, 0 fail. New tests areclaude-cli-picker.test.ts(18) andclaude-cli-picker-surface.test.ts(1).bun run test:changed. 8245 pass, 2 skip, 2 fail:grok-lifecyclereadsrc/cli/index.tsas text and looked for the moved registry call. Updated in this PR.injection-model-suggest-routes(EISDIR) also fails on an untouchedorigin/devcheckout. It was already failing and is not touched here.Already-failing pair.
claude-messages-thread.test.tsfollowed byclaude-messages-endpoint.test.tsin one process fails the same way on untouchedorigin/dev. Each passes alone.The full
bun run testwas not run locally because of the failures above that were already ondevand contention from concurrent worktrees. Full coverage is left to CI.Review fixes (6e1caad). These address the Codex and CodeRabbit findings. A restart now awaits the registry before re-checking a persisted snapshot. Rows are re-checked against their recorded route. The catalog body is streamed under the 16 MiB cap. On-demand registry builds wait 30 s before retrying after a failure. Each fix has a regression test, and after the fixes the focused set gives 379 + 54 pass, 0 fail.
Checklist