dsh-llm-chatgpt-web

ChatGPT Web as a DeepSeek Harness (dsh) provider — standalone. The plugin owns its Chromium and signs in once. Text turns use a fresh Temporary Chat page; opt-in native MCP turns use a normal connector-enabled chat whose physical response can span several compatible DSH tool-result steps. The adapter-owned conversation is deleted when that physical response settles; an explicit compatibility change or page loss uses safe fresh replay only after durable results are proven. The default text transport needs no external bridge; an opt-in Unix MCP transport adds a local broker and stdio MCP server; a separately provisioned connector/tunnel makes it reachable without changing DSH's agent loop.

dsh plugin --profile web add github:twilightt1/dsh-llm-chatgpt-web
dsh web
# Model picker → provider "chatgpt-web"

pnpm ≥10 blocks dependency build scripts by default; this package ships prebuilt lib/ and needs no allowBuilds entry. If your client still prompts, decline it — nothing here needs to run at install time.

0.6.0 candidate notes

• Native MCP now keeps compatible tool-result steps on one physical ChatGPT response, with exact correlation, journaled replay, and safe fresh-replay fallback.
• Managed setup remains pinned, private, and fail-closed; text transport is unchanged and remains the default.
• Automated/package gates pass. This is an experimental 0.6.0 release: a real native tool continuation is not yet release-ready because ChatGPT safety checks blocked the bounded live tool probes. It is not presented as API-equivalent or production-ready.

How it works

DSH agent-loop → GenerateOptions → ChatGptWebAdapter.stream()
  → text: fresh Temporary Chat page
  → native: one connector-enabled physical response + broker request
  → select effort → attach prompt → one Send
  → poll answer DOM (persistent Markdown buffer)
  → logical StreamChunks → usage + finish/tool boundary

Default text tools: JSON envelope + fenced tool-call contract.
Opt-in native tools: local broker ← stdio MCP façade ← connector/tunnel
  ← exact ChatGPT connector;
  broker batches become ordinary DSH tool-call chunks, then the next compatible
  step resolves exact results into the same physical response. Incompatible
  history/configuration or a recoverable page loss fences the old response
  before one canonical fresh replay. The adapter deletes each exact owned
  native conversation after settlement.

Text turns carry the full visible history in their prompt and remain stateless across turns. Native tool turns use a normal chat because ChatGPT disables connectors in Temporary Chat; one physical response retains its assistant identity, broker request, DOM/Markdown cursor, deadlines, and append-only logical-boundary journals while DSH executes tools. A compatible next request must contain the exact assistant call and one text-only result per call; it does not allocate a page, compile a prompt, select a connector, or press Send again. A private restart-safe ledger retries failed cleanup before the next native turn. Turns are serialized: at most one page is ever active.

The prompt transport follows codex-chatgpt-web's proven design: the DSH conversation is wrapped in a <dsh_context_json> envelope with an explicit transport contract (role semantics, read-before-acting, never echo), which replaced the old plaintext transcript that made ChatGPT echo instructions back. Answer extraction binds the newly-created assistant turn by its stable DOM identity, then converts only that turn's answer-root HTML into Markdown (turndown). It never falls back to an older turn or the whole document. An append-only buffer with source ranges preserves code fences (including

The session is persisted back to the profile after every completed turn
because ChatGPT rotates session tokens.

### Native continuation safety

Native continuation is experimental and remains opt-in. The replay envelope
contains only a versioned non-secret execution hash, logical boundary, and
opaque call IDs. Changes to provider-visible history, model, system prompt,
tool schemas, generation options, steering, or physical-page health select an
explicit fresh-replay path only when every prior tool result is durable and no
side effect is uncertain. A transport failure after submission, ambiguous tool
outcome, correlation conflict, or cleanup failure stops without resubmitting.
`RATE_LIMIT` opens a fixed five-minute adapter-local cooldown and is never
automatically retried. Text transport and auxiliary title/compaction calls do
not use this lifetime.

## Prerequisites

- Google Chrome installed (or set `chromeExecutablePath`).
- A `deepseek-harness` checkout for the Cordis peers (see below).

## Install (pick one)

**A. Local checkout (dev, no build step needed — `lib/` ships in the repo):**

```sh
dsh plugin --profile web add /absolute/path/to/dsh-llm-chatgpt-web
dsh web

The CLI registers dsh.bundle.patch, links the checkout, and appends the bundle to the profile automatically (--dump-config shows the llm-chatgpt-web row). Keep the checkout in place — the profile links it.

B. Prebuilt tarball (no build permission asked):

pnpm pack   # → dsh-llm-chatgpt-web-0.x.y.tgz
dsh plugin --profile web add ./dsh-llm-chatgpt-web-0.x.y.tgz

C. GitHub (prebuilt lib/ committed — no build permission needed):

dsh plugin --profile web add github:twilightt1/dsh-llm-chatgpt-web

Then select provider chatgpt-web (model chatgpt-web/high or per your account) in the Web UI model picker, or set it in an agent config. Requires Google Chrome/Brave installed and one manual ChatGPT sign-in on first use.

Minimum harness peers are declared in peerDependencies (cordis ^4.0.1, dsh-llm ^0.1.1-rc.2, schemastery ^3.18.1). Runtime dependencies include playwright-core (drives system Chrome; no browser download needed), the MCP SDK, and Zod.

First run: sign-in

The first turn with no saved session opens a headed window at chatgpt.com. Sign in manually inside that window; the plugin waits for the composer (proof of session), saves it under profileDir (~/.dsh-chatgpt-web/storage-state.json), and continues from then on. Nothing is copied between browsers. If the session expires later, delete the profile directory and run again.

Headed-hidden daemon (current status). Turns run as tabs in one shared browser daemon (lib/chatgpt/daemon-main.js, auto-spawned detached on first use, endpoint in browser-endpoint.json, idle shutdown after daemonIdleMs). The daemon's single window is hidden+minimized at birth, so turns after the first never flash — attach, stream, detach, done. True headless was tried twice (Brave, then real Chrome): ChatGPT answers with an interactive Cloudflare checkbox that never clears headless (screenshot-proven), so the daemon stays headed-hidden. The adapter never closes the shared browser — only its own context, plus an internal connection detach so hosts exit cleanly.

Mount

- id: llm-chatgpt-web
  name: '/abs/path/to/dsh-llm-chatgpt-web/src/index.ts'
  config:
    profileDir: ~/.dsh-chatgpt-web
    headed: true
    # connectorTransport: text       # default; use mcp for native tools (Unix only)
    # Existing externally owned MCP runtime:
    # connectorTransport: mcp
    # connectorRuntime: external
    # connectorName: DSH Native      # exact Personalized connector title
    # brokerSocketPath: ~/.dsh-chatgpt-web/native-broker.sock
    # mcpInvocationTimeoutMs: 90000
    # Managed tunnel-client runtime (replace the block above):
    # connectorTransport: mcp
    # connectorRuntime: managed
    # connectorName: DSH Native
    # brokerSocketPath: ~/.dsh-chatgpt-web/native-broker.sock
    # nativeRuntimeConfigPath: ~/.dsh-chatgpt-web/native-runtime.json
    # mcpInvocationTimeoutMs: 90000
    # chromeExecutablePath: /usr/bin/google-chrome

- id: agent-loop
  name: '@deepseek-ai/dsh-agent-loop'
  config:
    agents:
      - id: main
        provider: chatgpt-web
        model: chatgpt-web/high

Models (effort is fixed per model): chatgpt-web/luna, chatgpt-web/think, chatgpt-web/light, chatgpt-web/medium, chatgpt-web/high, chatgpt-web/extra-high, chatgpt-web/pro (last two only if your account exposes them — the effort probe fails closed otherwise).

Auto-detect order for the browser binary: explicit config → $CHROME_EXECUTABLE_PATH → platform Chrome → Brave (macOS) → Playwright's bundled Chromium. Call adapter.dispose() on host unload to release the owned browser (the dev scripts/live-turn.ts shows the pattern).

Native MCP setup (opt-in, Unix only)

Native MCP has two ownership modes. connectorRuntime: external keeps the existing contract: an operator owns the tunnel process and launches the package's stdio MCP child. connectorRuntime: managed makes this plugin own the pinned tunnel-client lifecycle. Text transport remains the default.

1. Account prerequisites

Create or select an OpenAI Secure MCP Tunnel and create a restricted runtime API key with Tunnels Read and Use permissions. Keep the tunnel ID and runtime key separate: the ID is metadata, while the key authenticates the local tunnel client. Use the official Secure MCP Tunnel guide, Platform Tunnels settings, and Runtime API keys.

This package does not create the account tunnel, runtime key, or ChatGPT connector. It only installs a verified local client and configures the local runtime after you supply those account-level values.

2. Managed setup

Run setup on Darwin/Linux arm64 or x64. The client is pinned to openai/tunnel-client 0.0.12; setup verifies the release checksum, binary version, private permissions, and a real connect/status/stop cycle before writing the final runtime configuration:

dsh-chatgpt-web-native setup \
  --profile-dir "$HOME/.dsh-chatgpt-web" \
  --connector-name "DSH Native" \
  --tunnel-id "$TUNNEL_ID"

Without --runtime-key-file, setup asks for the runtime key through a hidden TTY prompt. To read an existing private key file instead:

dsh-chatgpt-web-native setup \
  --profile-dir "$HOME/.dsh-chatgpt-web" \
  --connector-name "DSH Native" \
  --tunnel-id "$TUNNEL_ID" \
  --runtime-key-file /private/path/to/runtime-key

Setup copies the key to ~/.dsh-chatgpt-web/secrets/tunnel-runtime.key (0600) and stores only that path in native-runtime.json (0600). It does not edit Cordis YAML or account settings. A source key passed with --runtime-key-file is retained; remove or rotate that source yourself after confirming the managed copy.

3. Exact ChatGPT connector

In ChatGPT connector settings, create or select the Personalized connector with the exact name DSH Native (or the configured connectorName). Use the tunnel connection, select the same tunnel ID, and set Authentication: None. The account connector must point at this tunnel; a healthy local process alone does not prove ChatGPT can discover or call it.

4. Managed Cordis configuration

After setup succeeds, mount the provider with the matching local paths:

config:
  connectorTransport: mcp
  connectorRuntime: managed
  connectorName: DSH Native
  brokerSocketPath: ~/.dsh-chatgpt-web/native-broker.sock
  nativeRuntimeConfigPath: ~/.dsh-chatgpt-web/native-runtime.json
  mcpInvocationTimeoutMs: 90000

The plugin listens on the private broker socket before starting the tunnel, then requires process_running=true, healthy=true, and ready=true before it opens a ChatGPT turn. In managed mode, do not separately launch dsh-chatgpt-web-mcp; the managed runtime launches the built stdio MCP command itself.

5. Doctor and stop

doctor is read-only and never prints the runtime-key value. Use --json for a stable, redacted report suitable for an operator check:

dsh-chatgpt-web-native doctor \
  --profile-dir "$HOME/.dsh-chatgpt-web" \
  --connector-name "DSH Native" \
  --json

dsh-chatgpt-web-native stop \
  --profile-dir "$HOME/.dsh-chatgpt-web" \
  --connector-name "DSH Native"

stop stops only the configured local tunnel alias; it does not delete the runtime key, config, tunnel, or ChatGPT connector.

6. Existing external runtime

For an externally owned tunnel, keep the plugin opt-in but select the external owner explicitly:

config:
  connectorTransport: mcp
  connectorRuntime: external
  connectorName: DSH Native
  brokerSocketPath: ~/.dsh-chatgpt-web/native-broker.sock

Launch the stdio MCP child from the external tunnel runtime:

dsh-chatgpt-web-mcp --broker-socket "$HOME/.dsh-chatgpt-web/native-broker.sock"

The package does not authenticate or supervise that external tunnel. Existing external MCP deployments remain supported; no managed config or account setup is required for them.

7. Fail-closed and evidence semantics

Native mode exposes only dsh_round_start, dsh_tool_inventory, and dsh_tool_call. The broker snapshots the current DSH tool schemas, and all invocations return to the ordinary DSH ToolRuntime/agent loop as standard tool/call and matching tool/result events. No nested agent loop, ctx.tools.execute(), fenced-text fallback, or prose-to-call inference exists.

Before Send, invalid private files, checksum/version drift, tunnel unreadiness, connector-name mismatch, or an incorrectly selected connector fail closed. After Send, the adapter never switches transport. A sentence claiming that a command ran is not evidence; only the DSH call/result events count.

8. Live E2E gate

Do not call native E2E live or successful unless all of these are verified:

1. the exact built candidate is installed in the DSH web profile;
2. DSH MCP/core versions and package checksums are aligned;
3. doctor --json is successful;
4. the DSH Native Personalized connector uses the same tunnel and has Authentication set to None;
5. visible Chrome is running with ChatGPT Web High selected;
6. a request requiring bash proves pwd and git rev-parse --show-toplevel through actual DSH calls;
7. the session contains matching tool/call and tool/result events and at least two agent steps; and
8. the returned root is the real checkout, not / or model-authored prose.

If the account connector, tunnel, aligned artifacts, or session evidence cannot be verified, report that blocker and do not claim live native E2E.

9. Credential cleanup

Runtime keys must stay outside this repository, Cordis YAML, prompts, logs, screenshots, and session history. Remove temporary source key files and rotate any credential that was previously stored in plaintext profile config before a live run. The stop command does not remove credentials; clean up or retain the managed key intentionally and document the remaining risk.

V1 scope and limits

• Text in/out with live deltas. Images, stop sequences, and temperature throw UNSUPPORTED* instead of being silently dropped.
• No selectable reasoning efforts: an explicit reasoningEffort throws — pick the effort via the model id.
• Text mode remains the default and cross-platform: tool schemas are advertised in the prompt and ChatGPT emits fenced ```tool-call blocks that the adapter parses into ordinary DSH tool-call chunks. Tool availability does not force every answer to call a tool.
• Native MCP mode is opt-in and Unix-only. The plugin snapshots the resolved DSH tools into a private 0600 Unix-socket broker. ChatGPT must use a Personalized connector named exactly DSH Native (or connectorName) and call dsh_round_start, dsh_tool_inventory, and dsh_tool_call. Broker batches are emitted through the normal DSH loop; no nested loop or direct ctx.tools.execute() path exists. Native results are text-only. Compatible tool-result steps continue the same connector-enabled physical response, broker request, conversation, and Send. Context/model/schema/options changes and recoverable page loss use canonical fresh replay only after durable results and cleanup safety are proven; uncertain effects fail without a hidden resubmit. Exact adapter-created conversation IDs are deleted after settlement, and failed deletions remain in a private ledger for retry. A tunnel/connector is required for live native E2E; this repository's local MCP and broker tests do not claim that external setup.
• Usage is a client-side char-based estimate; the page exposes no measured counts.
• Reasoning/thinking content is not surfaced separately in V1.
• Temporary Chat is a ChatGPT privacy mode, not anonymity: text-mode prompts are still processed by OpenAI under your account's settings. Native MCP turns necessarily use normal ChatGPT chats so the connector can run; the adapter deletes only the exact conversation IDs it created after completion and cannot guarantee immediate backend deletion or prevent prior Memory/Personalization effects. This is unofficial browser automation — UI changes break selectors loudly (explicit errors, never silent fallback), and you remain responsible for the applicable terms and workspace policies.

Vendoring

The DOM selectors, effort-slider mechanics, Temporary Chat flow (src/chatgpt/session.ts, src/chatgpt/model.ts), composer insertion, and completion predicate derive from codex-chatgpt-web (MIT, © 2026 codex-chatgpt-web contributors). Only the ChatGPT-Web driving surface was taken; the native broker, MCP façade, connector selection, and adapter lifecycle are local additions. Each vendored file carries a provenance header.

Local adaptations (live-verified Sep 2026): ProseMirror composer selectors (upstream targeted Lexical only), whitespace-insensitive attach readback (ProseMirror renders each newline as its own paragraph), settle-wait before auth asserts (SPA hydration lags domcontentloaded).

Live verification

Proven against a real Plus-class account (Sep 2026, after the JSON-envelope

• Markdown-extraction rework):

• scripts/live-lib.mjs / scripts/live-turn.ts: fresh Temporary Chat → effort slider → attach JSON-envelope prompt → submit → streamed Markdown deltas (headings, lists, bold all survive) → usage + stop finish, on both the src (tsx) and built lib/ paths.
• Text-mode tools and native persistent continuation are covered by local adapter, broker, coordinator, physical-response, and replay tests. A managed native turn with a bash schema attached but no connector call completed in 27.439 s with a terminal stop and no broker invocation after the completion fence fix; the owned-conversation ledger was empty and no tunnel/MCP child remained. This validates no-tool completion only, not connector execution.
• Tool-required managed probes emitted no structured broker call; one provider response explicitly reported that the connector call was blocked by safety checks. Native MCP live E2E is therefore intentionally not claimed until a verifiable connector/tunnel run proves one-page/one-Send continuation, a final answer, exact call/result evidence, and cleanup.
• The storage state persists after every completed turn (ChatGPT rotates session tokens); storage-state.json mtime advances per turn.
• Heavier reasoning efforts (think/medium/high) need the raised budgets (15-minute turn, 5-minute stall) and single-evaluate polling: per-poll locator round-trips previously throttled ChatGPT's streaming DOM so hard that short answers never finished rendering.

Layout

File	Responsibility
src/chatgpt/session.ts	Vendored selectors / effort menu / auth / capability probe
src/chatgpt/model.ts	Vendored backend+effort resolution
src/chatgpt/browser.ts	Daemon attach, login, per-turn fresh page, session persist
src/chatgpt/conversation-cleanup.ts	Exact native conversation identity, private ownership ledger, deletion verification
src/chatgpt/markdown.ts	Vendored HTML→Markdown + append-only streaming buffer
src/chatgpt/guards.ts	Rate-limit / session / onboarding / terminal guards
src/chatgpt/effort.ts	Effort slider + Think toggle per turn
src/chatgpt/prompt.ts	DSH history → JSON envelope + transport contract
src/chatgpt/turn.ts	Attach → send → block-segment stream loop
src/chatgpt/connector.ts	Exact Personalized connector selection and native arbitration
src/chatgpt/usage.ts	Char-based usage estimates
src/native/broker.ts	In-memory provider-round batching, fences, TTL, retirement
src/native/broker-socket.ts	Private Unix JSON-line RPC transport
src/native/mcp-server.ts	Fixed MCP façade and handshake
src/native/coordinator.ts	Parked-page/session ownership transitions
src/native/continuation.ts	Execution identity, result correlation, and replay decisions
src/native/physical-response.ts	Persistent native response journals and uncertainty state
src/native/plugin-runtime.ts	Broker, tunnel readiness, and unload lifecycle
src/native/mcp-main.ts	Stdio MCP executable entry point
src/native/setup-main.ts	Managed runtime setup, doctor, and stop executable
src/adapter.ts	ChatGptWebAdapter (seam, queue, chunk protocol)
src/index.ts	Cordis plugin (registerAdapter(['chatgpt-web']))