Remove js_repl feature

.codespellrc

@@ -1,6 +1,6 @@
 [codespell]
 # Ref: https://github.com/codespell-project/codespell#using-a-config-file
-skip = .git*,vendor,*-lock.yaml,*.lock,.codespellrc,*test.ts,*.jsonl,frame*.txt,*.snap,*.snap.new,*meriyah.umd.min.js
+skip = .git*,vendor,*-lock.yaml,*.lock,.codespellrc,*test.ts,*.jsonl,frame*.txt,*.snap,*.snap.new
 check-hidden = true
 ignore-regex = ^\s*"image/\S+": ".*|\b(afterAll)\b
 ignore-words-list = ratatui,ser,iTerm,iterm2,iterm,te,TE,PASE,SEH

.github/actions/prepare-bazel-ci/action.yml

@@ -8,7 +8,7 @@ inputs:
     description: Logical namespace used to keep concurrent Bazel jobs from reserving the same repository cache key.
     required: true
   install-test-prereqs:
-    description: Install Node.js and DotSlash for Bazel-backed test jobs.
+    description: Install DotSlash for Bazel-backed test jobs.
     required: false
     default: "false"
 outputs:

.github/actions/setup-bazel-ci/action.yml

@@ -5,7 +5,7 @@ inputs:
     description: Target triple used for cache namespacing.
     required: true
   install-test-prereqs:
-    description: Install Node.js and DotSlash for Bazel-backed test jobs.
+    description: Install DotSlash for Bazel-backed test jobs.
     required: false
     default: "false"
 outputs:
@@ -16,12 +16,6 @@ outputs:
 runs:
   using: composite
   steps:
-    - name: Set up Node.js for js_repl tests
-      if: inputs.install-test-prereqs == 'true'
-      uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6
-      with:
-        node-version-file: codex-rs/node-version.txt
-
     # Some integration tests rely on DotSlash being installed.
     # See https://github.com/openai/codex/pull/7617.
     - name: Install DotSlash

.github/scripts/run-bazel-ci.sh

@@ -4,7 +4,6 @@ set -euo pipefail
 
 print_failed_bazel_test_logs=0
 print_failed_bazel_action_summary=0
-use_node_test_env=0
 remote_download_toplevel=0
 windows_msvc_host_platform=0
 
@@ -18,10 +17,6 @@ while [[ $# -gt 0 ]]; do
       print_failed_bazel_action_summary=1
       shift
       ;;
-    --use-node-test-env)
-      use_node_test_env=1
-      shift
-      ;;
     --remote-download-toplevel)
       remote_download_toplevel=1
       shift
@@ -42,7 +37,7 @@ while [[ $# -gt 0 ]]; do
 done
 
 if [[ $# -eq 0 ]]; then
-  echo "Usage: $0 [--print-failed-test-logs] [--print-failed-action-summary] [--use-node-test-env] [--remote-download-toplevel] [--windows-msvc-host-platform] -- <bazel args> -- <targets>" >&2
+  echo "Usage: $0 [--print-failed-test-logs] [--print-failed-action-summary] [--remote-download-toplevel] [--windows-msvc-host-platform] -- <bazel args> -- <targets>" >&2
   exit 1
 fi
 
@@ -249,16 +244,6 @@ if [[ ${#bazel_args[@]} -eq 0 || ${#bazel_targets[@]} -eq 0 ]]; then
   exit 1
 fi
 
-if [[ $use_node_test_env -eq 1 ]]; then
-  # Bazel test sandboxes on macOS may resolve an older Homebrew `node`
-  # before the `actions/setup-node` runtime on PATH.
-  node_bin="$(which node)"
-  if [[ "${RUNNER_OS:-}" == "Windows" ]]; then
-    node_bin="$(cygpath -w "${node_bin}")"
-  fi
-  bazel_args+=("--test_env=CODEX_JS_REPL_NODE_PATH=${node_bin}")
-fi
-
 post_config_bazel_args=()
 if [[ "${RUNNER_OS:-}" == "Windows" && $windows_msvc_host_platform -eq 1 ]]; then
   has_host_platform_override=0

.github/workflows/Dockerfile.bazel

@@ -8,25 +8,9 @@ FROM ubuntu:24.04
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
-    curl git python3 ca-certificates xz-utils && \
+    curl git python3 ca-certificates && \
     rm -rf /var/lib/apt/lists/*
 
-COPY codex-rs/node-version.txt /tmp/node-version.txt
-
-RUN set -eux; \
-    node_arch="$(dpkg --print-architecture)"; \
-    case "${node_arch}" in \
-      amd64) node_dist_arch="x64" ;; \
-      arm64) node_dist_arch="arm64" ;; \
-      *) echo "unsupported architecture: ${node_arch}"; exit 1 ;; \
-    esac; \
-    node_version="$(tr -d '[:space:]' </tmp/node-version.txt)"; \
-    curl -fsSLO "https://nodejs.org/dist/v${node_version}/node-v${node_version}-linux-${node_dist_arch}.tar.xz"; \
-    tar -xJf "node-v${node_version}-linux-${node_dist_arch}.tar.xz" -C /usr/local --strip-components=1; \
-    rm "node-v${node_version}-linux-${node_dist_arch}.tar.xz" /tmp/node-version.txt; \
-    node --version; \
-    npm --version
-
 # Install dotslash.
 RUN curl -LSfs "https://github.com/facebook/dotslash/releases/download/v0.5.8/dotslash-ubuntu-22.04.$(uname -m).tar.gz" | tar fxz - -C /usr/local/bin
 

.github/workflows/bazel.yml

@@ -85,7 +85,6 @@ jobs:
 
           bazel_wrapper_args=(
             --print-failed-test-logs
-            --use-node-test-env
           )
           bazel_test_args=(
             test

.github/workflows/rust-ci-full.yml

@@ -560,10 +560,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
-      - name: Set up Node.js for js_repl tests
-        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6
-        with:
-          node-version-file: codex-rs/node-version.txt
       - name: Install Linux build dependencies
         if: ${{ runner.os == 'Linux' }}
         shell: bash

NOTICE

@@ -4,6 +4,3 @@ Copyright 2025 OpenAI
 This project includes code derived from [Ratatui](https://github.com/ratatui/ratatui), licensed under the MIT license.
 Copyright (c) 2016-2022 Florian Dehau
 Copyright (c) 2023-2025 The Ratatui Developers
-
-This project includes Meriyah parser assets from [meriyah](https://github.com/meriyah/meriyah), licensed under the ISC license.
-Copyright (c) 2019 and later, KFlash and others.

codex-rs/BUILD.bazel

@@ -1,6 +1,5 @@
 exports_files([
     "clippy.toml",
-    "node-version.txt",
 ])
 
 filegroup(

codex-rs/app-server/README.md

@@ -1233,7 +1233,7 @@ If the session approval policy uses `Granular` with `request_permissions: false`
 
 `dynamicTools` on `thread/start` and the corresponding `item/tool/call` request/response flow are experimental APIs. To enable them, set `initialize.params.capabilities.experimentalApi = true`.
 
-Each dynamic tool may set `deferLoading`. When omitted, it defaults to `false`. Set it to `true` to keep the tool registered and callable by runtime features such as `js_repl`, while excluding it from the model-facing tool list sent on ordinary turns. When `tool_search` is available, deferred dynamic tools are searchable and can be exposed by a matching search result.
+Each dynamic tool may set `deferLoading`. When omitted, it defaults to `false`. Set it to `true` to keep the tool registered and callable by runtime features such as `code_mode`, while excluding it from the model-facing tool list sent on ordinary turns. When `tool_search` is available, deferred dynamic tools are searchable and can be exposed by a matching search result.
 
 When a dynamic tool is invoked during a turn, the server sends an `item/tool/call` JSON-RPC request to the client:
 

codex-rs/config/src/config_toml.rs

@@ -213,10 +213,12 @@ pub struct ConfigToml {
     /// Default: `300000` (5 minutes).
     pub background_terminal_max_timeout: Option<u64>,
 
-    /// Optional absolute path to the Node runtime used by `js_repl`.
+    /// Deprecated: ignored.
+    #[schemars(skip)]
     pub js_repl_node_path: Option<AbsolutePathBuf>,
 
-    /// Ordered list of directories to search for Node modules in `js_repl`.
+    /// Deprecated: ignored.
+    #[schemars(skip)]
     pub js_repl_node_module_dirs: Option<Vec<AbsolutePathBuf>>,
 
     /// Optional absolute path to patched zsh used by zsh-exec-bridge-backed shell execution.

codex-rs/config/src/profile_toml.rs

@@ -41,8 +41,11 @@ pub struct ConfigProfile {
     pub chatgpt_base_url: Option<String>,
     /// Optional path to a file containing model instructions.
     pub model_instructions_file: Option<AbsolutePathBuf>,
+    /// Deprecated: ignored.
+    #[schemars(skip)]
     pub js_repl_node_path: Option<AbsolutePathBuf>,
-    /// Ordered list of directories to search for Node modules in `js_repl`.
+    /// Deprecated: ignored.
+    #[schemars(skip)]
     pub js_repl_node_module_dirs: Option<Vec<AbsolutePathBuf>>,
     /// Optional absolute path to patched zsh used by zsh-exec-bridge-backed shell execution.
     pub zsh_path: Option<AbsolutePathBuf>,

codex-rs/core/BUILD.bazel

@@ -19,9 +19,7 @@ codex_rust_crate(
             "Cargo.toml",
         ],
         allow_empty = True,
-    ) + [
-        "//codex-rs:node-version.txt",
-    ],
+    ),
     rustc_env = {
         # Keep manifest-root path lookups inside the Bazel execroot for code
         # that relies on env!("CARGO_MANIFEST_DIR").

codex-rs/core/config.schema.json

@@ -583,16 +583,6 @@
         "include_permissions_instructions": {
           "type": "boolean"
         },
-        "js_repl_node_module_dirs": {
-          "description": "Ordered list of directories to search for Node modules in `js_repl`.",
-          "items": {
-            "$ref": "#/definitions/AbsolutePathBuf"
-          },
-          "type": "array"
-        },
-        "js_repl_node_path": {
-          "$ref": "#/definitions/AbsolutePathBuf"
-        },
         "model": {
           "type": "string"
         },
@@ -2849,21 +2839,6 @@
       "description": "System instructions.",
       "type": "string"
     },
-    "js_repl_node_module_dirs": {
-      "description": "Ordered list of directories to search for Node modules in `js_repl`.",
-      "items": {
-        "$ref": "#/definitions/AbsolutePathBuf"
-      },
-      "type": "array"
-    },
-    "js_repl_node_path": {
-      "allOf": [
-        {
-          "$ref": "#/definitions/AbsolutePathBuf"
-        }
-      ],
-      "description": "Optional absolute path to the Node runtime used by `js_repl`."
-    },
     "log_dir": {
       "allOf": [
         {

codex-rs/core/src/agent/role.rs

@@ -267,7 +267,6 @@ mod reload {
             model_provider: preserve_current_provider.then(|| config.model_provider_id.clone()),
             codex_linux_sandbox_exe: config.codex_linux_sandbox_exe.clone(),
             main_execve_wrapper_exe: config.main_execve_wrapper_exe.clone(),
-            js_repl_node_path: config.js_repl_node_path.clone(),
             ..Default::default()
         }
     }

codex-rs/core/src/agents_md.rs

@@ -42,41 +42,6 @@ pub const LOCAL_AGENTS_MD_FILENAME: &str = "AGENTS.override.md";
 /// be concatenated with the following separator.
 const AGENTS_MD_SEPARATOR: &str = "\n\n--- project-doc ---\n\n";
 
-fn render_js_repl_instructions(config: &Config) -> Option<String> {
-    if !config.features.enabled(Feature::JsRepl) {
-        return None;
-    }
-
-    let mut section = String::from("## JavaScript REPL (Node)\n");
-    section.push_str(
-        "- Use `js_repl` for Node-backed JavaScript with top-level await in a persistent kernel.\n",
-    );
-    section.push_str("- `js_repl` is a freeform/custom tool. Direct `js_repl` calls must send raw JavaScript tool input (optionally with first-line `// codex-js-repl: timeout_ms=15000`). Do not wrap code in JSON (for example `{\"code\":\"...\"}`), quotes, or markdown code fences.\n");
-    section.push_str(
-        "- Helpers: `codex.cwd`, `codex.homeDir`, `codex.tmpDir`, `codex.tool(name, args?)`, and `codex.emitImage(imageLike)`.\n",
-    );
-    section.push_str("- `codex.tool` executes a normal tool call and resolves to the raw tool output object. Use it for shell and non-shell tools alike. Nested tool outputs stay inside JavaScript unless you emit them explicitly.\n");
-    section.push_str("- `codex.emitImage(...)` adds one image to the outer `js_repl` function output each time you call it, so you can call it multiple times to emit multiple images. It accepts a data URL, a single `input_image` item, an object like `{ bytes, mimeType }` containing encoded PNG/JPEG/WebP/GIF bytes, or a raw tool response object with exactly one image and no text. It rejects mixed text-and-image content.\n");
-    section.push_str("- `codex.tool(...)` and `codex.emitImage(...)` keep stable helper identities across cells. Saved references and persisted objects can reuse them in later cells, but async callbacks that fire after a cell finishes still fail because no exec is active.\n");
-    section.push_str("- Request full-resolution image processing with `detail: \"original\"` only when the `view_image` tool schema includes a `detail` argument. The same availability applies to `codex.emitImage(...)`: if `view_image.detail` is present, you may also pass `detail: \"original\"` there. Use this when high-fidelity image perception or precise localization is needed, especially for CUA agents.\n");
-    section.push_str("- Raw MCP image blocks can request the same behavior by returning `_meta: { \"codex/imageDetail\": \"original\" }` on the image content item.\n");
-    section.push_str("- Example of sharing an in-memory Playwright screenshot: `await codex.emitImage({ bytes: await page.screenshot({ type: \"jpeg\", quality: 85 }), mimeType: \"image/jpeg\", detail: \"original\" })`.\n");
-    section.push_str("- Example of sharing a local image tool result: `await codex.emitImage(codex.tool(\"view_image\", { path: \"/absolute/path\", detail: \"original\" }))`.\n");
-    section.push_str("- When encoding an image to send with `codex.emitImage(...)` or `view_image`, prefer JPEG at about 85 quality when lossy compression is acceptable; use PNG when transparency or lossless detail matters. Smaller uploads are faster and less likely to hit size limits.\n");
-    section.push_str("- Top-level bindings persist across cells. If a cell throws, prior bindings remain available and bindings that finished initializing before the throw often remain usable in later cells. For code you plan to reuse across cells, prefer declaring or assigning it in direct top-level statements before operations that might throw. If you hit `SyntaxError: Identifier 'x' has already been declared`, first reuse the existing binding, reassign a previously declared `let`, or pick a new descriptive name. Use `{ ... }` only for a short temporary block when you specifically need local scratch names; do not wrap an entire cell in block scope if you want those names reusable later. Reset the kernel with `js_repl_reset` only when you need a clean state.\n");
-    section.push_str("- Top-level static import declarations (for example `import x from \"./file.js\"`) are currently unsupported in `js_repl`; use dynamic imports with `await import(\"pkg\")`, `await import(\"./file.js\")`, or `await import(\"/abs/path/file.mjs\")` instead. Imported local files must be ESM `.js`/`.mjs` files and run in the same REPL VM context. Bare package imports always resolve from REPL-global search roots (`CODEX_JS_REPL_NODE_MODULE_DIRS`, then cwd), not relative to the imported file location. Local files may statically import only other local relative/absolute/`file://` `.js`/`.mjs` files; package and builtin imports from local files must stay dynamic. `import.meta.resolve()` returns importable strings such as `file://...`, bare package names, and `node:...` specifiers. Local file modules reload between execs, while top-level bindings persist until `js_repl_reset`.\n");
-
-    if config.features.enabled(Feature::JsReplToolsOnly) {
-        section.push_str("- Do not call tools directly; use `js_repl` + `codex.tool(...)` for all tool calls, including shell commands.\n");
-        section
-            .push_str("- MCP tools (if any) can also be called by name via `codex.tool(...)`.\n");
-    }
-
-    section.push_str("- Avoid direct access to `process.stdout` / `process.stderr` / `process.stdin`; it can corrupt the JSON line protocol. Use `console.log`, `codex.tool(...)`, and `codex.emitImage(...)`.");
-
-    Some(section)
-}
-
 /// Resolves AGENTS.md files into model-visible user instructions and source
 /// paths.
 pub struct AgentsMdManager<'a> {
@@ -147,13 +112,6 @@ impl<'a> AgentsMdManager<'a> {
             }
         };
 
-        if let Some(js_repl_section) = render_js_repl_instructions(self.config) {
-            if !output.is_empty() {
-                output.push_str("\n\n");
-            }
-            output.push_str(&js_repl_section);
-        }
-
         if self.config.features.enabled(Feature::ChildAgentsMd) {
             if !output.is_empty() {
                 output.push_str("\n\n");