taodengandClaude Opus 4.7
de9f3ca7c9
cold-audit catch from 2026-05-24 (round 3 — D27 flake follow-up)
Pre-existing fragility from D18-era test design: Suite 17 + several
other test sites used overlapping random port ranges (e.g., 25456-25855
and 25460-25859 in Suite 17) with `Math.floor(Math.random() * 400)`
allocation. Sequential close-then-open on Linux Node 20 with TIME_WAIT
timing caused intermittent ECONNRESET on subsequent fetches.
Concrete failure: D27 first CI run failed Suite 17 test 17b with
`socket hang up / ECONNRESET` 1.3ms into the fetch. CI re-run on the
same commit was green — confirming flake, not logic bug. D27's code
changes were unrelated; the flake-prone pattern just happened to
collide on that run.
Fix: switch from random-port-in-fixed-range to OS-assigned port via
`listen(0, ...)`. Each test gets a unique OS-assigned port; collision
is structurally impossible.
Pattern:
```js
const s = createXX();
await new Promise((resolve, reject) => {
s.listen(0, '127.0.0.1', resolve);
s.once('error', reject);
});
const p = s.address().port;
// ... use p in fetch
```
Changes (test-features.mjs +32 / -32):
16 sites updated, organized by Suite:
- Suite 14: 14c (no providers), 14d (anthropic enabled)
- Suite 15 `before()`: shared `port15` for 15a-15d (assigned post-listen
in before-hook)
- Suite 17 (D18-era): 17a, 17b, 17c, 17d (4 /v1/models tests) +
17e, 17f, 17g (3 error-header tests)
- F19 `before()`: shared `portF19` (assigned post-listen in before-hook)
- D27 F15 a/b/c/d/e (5 alias-surfacing tests)
Out-of-scope sites intentionally LEFT alone (test-features.mjs lines
1253, 1882, 2048, 2212, 3048, 4382): they use wider random ranges
(500-1000) AND already have EADDRINUSE retry logic, so collision risk
is structurally bounded. Not the same defect class.
Stability verification:
- 5 consecutive local `npm test` runs (sonnet) — all 400/400 green
- 3 additional consecutive runs (reviewer) — all 400/400 green
- Durations 596-620ms; no Suite 17/15/F19 flakes observed
Pure mechanical refactor:
- No assertion changes (`grep -cE "^[+-].*assert\." diff` returns 0)
- No production code modified — only test-features.mjs
- No behavior contract change — tests assert the same things
Reviewer (Iron Rule v1.6 § 10.x Mode A, fresh-context opus, independent
of drafter): APPROVE. Verified each of 16 sites uses correct order
(listen before address().port read), Suite 15 + F19 before-block
variables correctly assigned AFTER listen-promise resolves, out-of-scope
sites unchanged, hygiene clean. 3/3 local runs green.
Note for future test additions: prefer `listen(0, '127.0.0.1', resolve)
→ s.address().port` over any fixed-range random port allocation. The
OS-assigned approach makes port collision structurally impossible.
Authority:
- Node.js HTTP server documentation:
https://nodejs.org/api/net.html#serverlisten — port 0 OS assignment
- D27 CI failure on Suite 17 test 17b (workflow run 26353907900,
Tests step — first run failed, re-run green)
- CC 开发铁律 v1.6 § 10.x — Round-3 Cold Audit pattern continued:
D27's flake was a known evidence-first checkpoint violation
(per ~/.cc-rules/memory/feedback/evidence_first_under_speed_pressure.md
"host-environment trap" corollary). D29 closes the underlying
fragility class so the same flake can't reoccur on subsequent D-days.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
OLP — Open LLM Proxy
A personal- and family-scale multi-provider LLM proxy. One HTTP endpoint, many subscriptions behind it, automatic routing, automatic fallback, content-addressed caching — so your IDEs and family clients keep working as long as any of your subscriptions has quota left.
Status: v0.1 — bootstrap. Most of this README is a skeleton; sections marked placeholder land alongside the relevant phase of work (see phase plan).
Why OLP
On 2026-05-14, Anthropic announced (effective 2026-06-15) that claude -p, the Agent SDK, and third-party agent traffic move out of the Pro/Max subscription pool into a separate fixed monthly Agent SDK Credit pool. OCP, OLP's predecessor, was a proxy around a single CLI — its core assumption was "subscription = unlimited within rate limits". That assumption breaks for Anthropic on the effective date.
The structural response is to stop relying on one provider's subscription terms remaining favourable. OLP spreads risk across multiple providers whose subscriptions still include CLI/programmatic use, routes intelligently between them, and caches aggressively so every request that does spawn a CLI counts.
OLP is not: a commercial multi-tenant SaaS; an enterprise gateway competing with LiteLLM / OpenCode / CLIProxyAPI on breadth; a model-capability router ("route to the smartest model" — you pick the model); a conversation-state store (your client handles that).
See ALIGNMENT.md for OLP's constitution and docs/adr/ for the founding ADRs.
Quick Start
placeholder — lands with Phase 1.
Anticipated shape:
# install
npm install -g @dtzp555-max/olp
# run setup (writes ~/.olp/config.json, asks which providers to enable)
olp setup
# start the proxy (default port 3456 — same as OCP if you migrate)
olp start
# point your IDE at http://localhost:3456/v1/chat/completions with the OLP API key from `olp keys list`.
Supported Providers
Source of truth: models-registry.json. This table is regenerated from the registry per the release_kit overlay; do not edit it out of sync.
OLP distinguishes Candidate Providers (declared as intended, not yet pinned) from Enabled Providers (authority pin filled + plugin landed + Phase audit passed). The v0.1 founding commit ships zero Enabled Providers — enablement is a Phase audit deliverable, not a bootstrap claim. See ALIGNMENT.md § Provider Inventory for the transition gate.
Candidate Providers
| Provider key | CLI | Subscription / auth | Anticipated Tier | Anticipated Phase |
|---|---|---|---|---|
anthropic |
claude -p |
Pro / Max OAuth (pre-2026-06-15); Agent SDK Credit pool after | D (re-eval post-2026-06-15) | Phase 1 |
openai |
codex exec --json |
ChatGPT Pro OAuth or API key | D | Phase 2 |
mistral |
vibe --prompt --output json |
Le Chat Pro API key | D | Phase 3 |
grok |
grok -p --output-format streaming-json |
xAI Build xai-... API key |
C | Phase 8+ |
kimi |
kimi -p --output-format stream-json |
Moonshot Kimi API key | C | Phase 8+ |
minimax |
TBD | MiniMax Token Plan (¥29+/mo) | B | Phase 8+ |
glm |
TBD | Zhipu Coding Plan ($10+/mo) | B | Phase 8+ |
qwen |
TBD | Alibaba Coding Plan ($50/mo) | B | Phase 8+ |
Risk tier guide. D = permissive / safe (eligible for default-enabled); C = tightening signal, no enforcement history (opt-in); B = service-level key revocation risk (opt-in + consent); A = excluded by default (cannot be opt-in enabled). Tier B providers prompt for explicit consent on first enable and record consent in ~/.olp/config.json. See ALIGNMENT.md § Risk Tier Framework.
Excluded by default (Tier A — evidence-backed, pending primary-source pin). Google Antigravity. See ADR 0006 for the named-prohibition + no-cost-advantage + reinstatement-friction rationale, and for the primary-source pinning follow-up that may force a Tier reconsideration if the Google FAQ language cannot be sourced within 90 days of 2026-05-23.
Configuration
placeholder — full configuration reference lands with Phase 4 (fallback engine).
OLP reads its config from ~/.olp/config.json. The minimum useful shape:
{
"routing": {
"chains": {
"<requested-model>": [
{ "provider": "<key>", "model": "<provider-model-id>" },
{ "provider": "<key>", "model": "<provider-model-id>" }
]
},
"soft_triggers": {
"<provider-key>": { "<trigger>": <threshold> }
}
}
}
Note:
routing.soft_triggersthresholds are parsed and stored but have no runtime effect at v0.1 — the quota polling path (quotaStatus()per hop) is deferred to v1.x per ADR 0004 Amendment 2. The evaluation logic exists and is tested; only the production data ingestion path is deferred.
Trigger types, fallback safety, idempotency rules, and the full example config land here when Phase 4 ships. See ADR 0004 (Fallback Engine Semantics & Safety) for the design.
API Endpoints
placeholder — full table lands as each endpoint lands.
| Endpoint | Method | Phase | Description |
|---|---|---|---|
/v1/chat/completions |
POST | 1 | OpenAI-compatible Chat Completions entry. Internally normalized to IR, dispatched to a provider plugin, response shape converted back. |
/v1/models |
GET | 1 | Lists models from models-registry.json. |
/health |
GET | 1 | Per-provider health snapshot (owner-only). |
/cache/stats |
GET | 5 | Cache hit rate, by-provider breakdown. |
/v0/management/quota |
GET | 6 | Per-provider quota / credit pool status (best-effort). |
/dashboard |
GET | 6 | Owner-only dashboard (localhost-bound by default). |
Environment Variables
placeholder — full table lands per-phase as variables are introduced.
| Variable | Default | Description |
|---|---|---|
OLP_PORT |
3456 |
HTTP listener port. |
OLP_HOME |
~/.olp |
Config, providers, keys, cache, logs root. |
OLP_LOG_LEVEL |
info |
One of error, warn, info, debug. |
Further variables (per-provider auth path overrides, cache size limits, fallback-engine knobs) land with the relevant phase.
Response Headers
Every response served through OLP carries:
X-OLP-Provider-Used: <provider-key>— which provider's plugin served the request.X-OLP-Model-Used: <model-id>— which model the served provider used.X-OLP-Fallback-Hops: <n>— number of fallback hops (0if served by the primary chain entry).X-OLP-Cache: hit | miss | bypass— cache layer outcome.X-OLP-Latency-Ms: <ms>— end-to-end latency observed at the proxy.
If a fallback chain is exhausted, X-OLP-Fallback-Exhausted lists the tried providers in order.
Implementation status (as of 2026-05-24)
Phase 1 is in progress. This table reflects what is currently shipped vs. what is designed for later phases.
| File / artifact | Status | Notes |
|---|---|---|
server.mjs |
✅ Shipped | HTTP listener + dispatcher |
lib/ir/ |
✅ Shipped | IR definition + serializers (ADR 0003) |
lib/providers/anthropic.mjs |
✅ Shipped | claude -p spawn-binary plugin |
lib/providers/codex.mjs |
✅ Shipped | codex exec --json plugin |
lib/providers/mistral.mjs |
✅ Shipped | vibe --prompt plugin |
lib/cache/keys.mjs |
✅ Shipped | Content-addressed key computation |
lib/cache/store.mjs |
✅ Shipped | In-memory Map (file-backed layout: 📋 Phase 2 storage adapter) |
lib/fallback/engine.mjs |
✅ Shipped | Trigger evaluation + chain advancement (ADR 0004) |
Soft trigger data path (quotaStatus() polling) |
📋 Planned (v1.x) | Evaluation logic shipped + tested; data ingestion deferred per ADR 0004 Amendment 2 |
models-registry.json |
✅ Shipped | SPOT for (provider, model) metadata |
test-features.mjs |
✅ Shipped | Comprehensive test suite covering IR, cache, fallback, and integration paths (CI: test.yml) |
lib/keys.mjs |
📋 Planned (Phase 2) | Multi-key auth, per-key namespacing, audit log |
dashboard.html |
📋 Planned (Phase 6) | Owner-only multi-provider dashboard |
docs/provider-caveats.md |
📋 Planned (Phase 3+) | Lossy-translation reference; for now documented inline in each plugin header |
docs/openai-spec-pin.md |
📋 Planned (Phase 1 gate) | OpenAI spec snapshot for annual audit; deferred from v0.1 bootstrap |
docs/alignment-audits/ |
📋 Planned | Output directory for annual alignment audits (first audit: 2027-05-14) |
scripts/migrate-from-ocp.mjs |
📋 Planned (Phase 7) | OCP → OLP migration tool |
setup.mjs |
📋 Planned | Setup wizard / initial config |
Architecture
OLP is a Node.js (ESM, .mjs) HTTP proxy with no build step and minimal dependencies. The high-level shape:
- Entry surface —
server.mjshandles/v1/chat/completionsand the administrative endpoints. Governed by OpenAI's/v1/chat/completionsspecification as the wire authority. SeeALIGNMENT.md§ Authorities. - Intermediate Representation (IR) —
lib/ir/normalizes between the entry surface and provider-native shapes. The IR is the lingua franca; any extension is an ADR 0003 amendment. - Provider plugins —
lib/providers/<name>.mjs. Each plugin implements the contract in ADR 0002 (Plugin Architecture for Providers), spawns its CLI, and translates between IR and provider-native IO. - Cache layer —
lib/cache/is a content-addressed cache keyed on the 11-field tuple defined in ADR 0005 § "Cache key composition (v1.0)" (provider, model, messages, tools, temperature, response_format, cache_control, max_tokens, top_p, stop, tool_choice — as of Amendment 2/D15). Per-key isolation, prompt-caching bypass, chunked stream replay, and singleflight. See ADR 0005 (Cache Layer Cross-Provider Design). Current backing store is an in-memory Map; file-backed storage is planned for Phase 2. - Fallback engine —
lib/fallback/advances a configured chain one provider at a time on configured triggers, never retrying after the first response chunk has been emitted to the client. See ADR 0004. - Multi-key auth —
lib/keys.mjs(📋 planned, Phase 2) will carry OCP's per-OLP-key namespace isolation forward. Each OLP API key will have independent quota, cache namespace, and audit log; each key declares which providers it can access.
Read the ADRs in docs/adr/ in order before proposing structural changes.
Phase plan
OLP lands in phases. Each phase has its own PR series and Iron-Rule-10 reviewer; this README's placeholders are filled per-phase via the release_kit overlay.
- Phase 0 — Repo bootstrap,
ALIGNMENT.md, founding ADRs, CI workflows, PR template. (current) - Phase 1 —
server.mjsskeleton, IR, Anthropic plugin, cache D1+D4. Port from OCP. - Phase 2 — OpenAI Codex plugin.
- Phase 3 — Mistral Vibe plugin.
- Phase 4 — Fallback engine + routing chains config + quota poll worker.
- Phase 5 — Cache cross-provider hardening (D2+D3).
- Phase 6 — Dashboard + observability (
/v0/management/quota). - Phase 7 — Release v0.1, OCP enters maintenance.
- Phase 8+ — Optional Grok / Kimi / tier-2 plugins; provider-native protocol endpoints; deterministic triggers.
Full spec (decision rationale, open questions, risks): ~/.cc-rules/memory/projects/olp_v0_1_spec.md on the maintainer's workstations.
Migration from OCP
placeholder — scripts/migrate-from-ocp.mjs lands with Phase 7 (📋 planned, not yet authored).
Anticipated user-facing flow (target: <5 minutes):
- Stop OCP (
launchctl bootoutthe OCP service orocp stop). - Install OLP.
- Run
olp migrate-from-ocp— copies~/.ocp/keys/to~/.olp/keys/and points provider plugins at OCP's existing auth artifacts where applicable. - Start OLP. Clients pointing at port 3456 keep working; their existing OLP API keys remain valid.
OCP's cache directory is not migrated: OLP's cache key format includes provider+model and warms cold naturally. OCP enters maintenance mode (stability fixes only) when OLP v0.1 ships; new development happens in OLP.
License
MIT.
Acknowledgements
OLP evolved from OCP (Open Claude Proxy). OCP's per-key isolation model, cache-layer design (D1–D4), dashboard, and alignment-constitution discipline are all carried forward. The structural generalization from single-CLI to multi-provider is what makes this a new project rather than an OCP minor version — see ALIGNMENT.md § Reference: How OCP's cli.js discipline maps to OLP.
Authors: project maintainer (with AI drafting assistance).