codex

Better handling skill depdenencies on ENV VAR. (#9017 )

An experimental flow for env var skill dependencies. Skills can now
declare required env vars in SKILL.md; if missing, the CLI prompts the
user to get the value, and Core will store it in memory (eventually to a
local persistent store)
<img width="790" height="169" alt="image"
src="https://github.com/user-attachments/assets/cd928918-9403-43cb-a7e7-b8d59bcccd9a"
/>

xl-openai · 2026-01-29 14:13:30 -05:00

bdd8a7d58b

Fall back to http when websockets fail (#10139 )

I expect not all proxies work with websockets, fall back to http if
websockets fail.

pakrym-oai · 2026-01-29 10:36:21 -08:00

3b1cddf001

feat: reduce span exposition (#10171 )

This only avoids the creation of duplicates spans

jif-oai · 2026-01-29 18:15:22 +00:00

798c4b3260

chore: unify log queries (#10152 )

Unify log queries to only have SQLX code in the runtime and use it for
both the log client and for tests

jif-oai · 2026-01-29 16:28:15 +00:00

e6c4f548ab

feat: adding thread ID to logs + filter in the client (#10150 )

jif-oai · 2026-01-29 16:53:30 +01:00

89c5f3c4d4

feat: async backfill (#10089 )

jif-oai · 2026-01-29 09:57:50 +00:00

714dc8d8bd

feat: add log db (#10086 )

Add a log DB. The goal is just to store our logs in a `.sqlite` DB to
make it easier to crawl them and drop the oldest ones.

jif-oai · 2026-01-29 10:23:03 +01:00

780482da84

emit a metric when we can't spawn powershell (#10125 )

This will help diagnose and measure the impact of a user-reported bug
with the elevated sandbox and powershell

iceweasel-oai · 2026-01-28 21:51:51 -08:00

8cc338aecf

chore(core) personality under development (#10133 )

## Summary
Have one or two more changes coming in for this.

Dylan Hurd · 2026-01-28 22:00:48 -07:00

335713f7e9

[connectors] Support connectors part 2 - slash command and tui (#9728 )

- [x] Support `/apps` slash command to browse the apps in tui.
- [x] Support inserting apps to prompt using `$`.
- [x] Lots of simplification/renaming from connectors to apps.

Matthew Zeng · 2026-01-28 19:51:58 -08:00

b9cd089d1f

chore(config) Update personality instructions (#10114 )

## Summary
Add personality instructions so we can let users try it out, in tandem
with making it an experimental feature

## Testing
- [x] Tested locally

Dylan Hurd · 2026-01-29 01:14:44 +00:00

9757e1418d

chore(config) personality as a feature (#10116 )

## Summary
Sets up an explicit Feature flag for `/personality`, so users can now
opt in to it via `/experimental`. #10114 also updates the config

## Testing
- [x] Tested locally

Dylan Hurd · 2026-01-28 17:58:28 -07:00

ce3d764ae1

Ensure auto-compaction starts after turn started (#10129 )

Start auto-compaction only after TurnStarted is emitted.\nAdd an
integration test for deterministic ordering.

Ahmed Ibrahim · 2026-01-28 16:51:20 -08:00

26590d7927

[bazel] Improve runfiles handling (#10098 )

we can't use runfiles directory on Windows due to path lengths, so swap
to manifest strategy. Parsing the manifest is a bit complex and the
format is changing in Bazel upstream, so pull in the official Rust
library (via a small hack to make it importable...) and cleanup all the
associated logic to work cleanly in both bazel and cargo without extra
confusion

zbarsky-openai · 2026-01-29 00:15:44 +00:00

8497163363

default enable compression, update test helpers (#10102 )

set `enable_request_compression` flag to default-enabled.

update integration test helpers to decompress `zstd` if flag set.

sayan-oai · 2026-01-28 12:25:40 -08:00

ff9fa56368

Added tui.notifications_method config option (#10043 )

This PR adds a new `tui.notifications_method` config option that accepts
values of "auto", "osc9" and "bel". It defaults to "auto", which
attempts to auto-detect whether the terminal supports OSC 9 escape
sequences and falls back to BEL if not.

The PR also removes the inconsistent handling of notifications on
Windows when WSL was used.

Eric Traut · 2026-01-28 12:00:32 -08:00

147e7118e0

allow elevated sandbox to be enabled without base experimental flag (#10028 )

elevated flag = elevated sandbox
experimental flag = non-elevated sandbox
both = elevated

iceweasel-oai · 2026-01-28 11:38:29 -08:00

66de985e4e

compaction (#10034 )

# External (non-OpenAI) Pull Request Requirements

Before opening this Pull Request, please read the dedicated
"Contributing" markdown file or your PR may be closed:
https://github.com/openai/codex/blob/main/docs/contributing.md

If your PR conforms to our contribution guidelines, replace this text
with a detailed and high quality description of your changes.

Include a link to a bug report or enhancement request.

Ahmed Ibrahim · 2026-01-28 11:36:11 -08:00

b7edeee8ca

chore: deprecate old web search feature flags (#10097 )

deprecate all old web search flags and aliases, including:
- `[features].web_search_request` and `[features].web_search_cached`
- `[tools].web_search`
- `[features].web_search`

slightly rework `legacy_usages` to enable pointing to non-features from
deprecated features; we need to point to `web_search` (not under
`[features]`) from things like `[features].web_search_cached` and
`[features].web_search_request`.

Added integration tests to confirm deprecation notice is shown on
explicit enablement and disablement of deprecated flags.

sayan-oai · 2026-01-28 10:55:57 -08:00

851617ff5a

file-search: improve file query perf (#9939 )

switch nucleo-matcher for nucleo and use a "file search session" w/ live
updating query instead of a single hermetic run per query.

Jeremy Rose · 2026-01-28 10:54:43 -08:00

b8156706e6

feat: sort metadata by date (#10083 )

jif-oai · 2026-01-28 16:19:08 +01:00

231406bd04

feat: sqlite 1 (#10004 )

Add a `.sqlite` database to be used to store rollout metatdata (and
later logs)
This PR is phase 1:
* Add the database and the required infrastructure
* Add a backfill of the database
* Persist the newly created rollout both in files and in the DB
* When we need to get metadata or a rollout, consider the `JSONL` as the
source of truth but compare the results with the DB and show any errors

jif-oai · 2026-01-28 15:29:14 +01:00

3878c3dc7c

Add exec policy TOML representation (#10026 )

We'd like to represent these in `requirements.toml`. This just adds the
representation and the tests, doesn't wire it up anywhere yet.

gt-oai · 2026-01-28 12:00:10 +00:00

71b8d937ed

feat(core) RequestRule (#9489 )

## Summary
Instead of trying to derive the prefix_rule for a command mechanically,
let's let the model decide for us.

## Testing
- [x] tested locally

Dylan Hurd · 2026-01-28 08:43:17 +00:00

996e09ca24

error code/msg details for failed elevated setup (#9941 )

iceweasel-oai · 2026-01-27 23:06:10 -08:00

9f79365691

fix(core) info cleanup (#9986 )

## Summary
Simplify this logic a bit.

Dylan Hurd · 2026-01-27 21:15:15 -07:00

fef3e36f67

[skills] Auto install MCP dependencies when running skils with dependency specs. (#9982 )

Auto install MCP dependencies when running skils with dependency specs.

Matthew Zeng · 2026-01-27 19:02:45 -08:00

3bb8e69dd3

fix: allow unknown fields on Notice in schema (#10041 )

the `notice` field didn't allow unknown fields in the schema, leading to
issues where they shouldn't be.

Now we allow unknown fields.

<img width="2260" height="720" alt="image"
src="https://github.com/user-attachments/assets/1de43b60-0d50-4a96-9c9c-34419270d722"
/>

sayan-oai · 2026-01-27 18:24:24 -08:00

1609f6aa81

fix: enable per-turn updates to web search mode (#10040 )

web_search can now be updated per-turn, for things like changes to
sandbox policy.

`SandboxPolicy::DangerFullAccess` now sets web_search to `live`, and the
default is still `cached`.

Added integration tests.

sayan-oai · 2026-01-27 18:09:29 -08:00

a90ab789c2

enable live web search for DangerFullAccess sandbox policy (#10008 )

Auto-enable live `web_search` tool when sandbox policy is
`DangerFullAccess`.

Explicitly setting `web_search` (canonical setting), or enabling
`web_search_cached` or `web_search_request` still takes precedence over
this sandbox-policy-driven enablement.

sayan-oai · 2026-01-27 20:09:05 +00:00

28051d18c6

Remove load from SKILL.toml fallback (#10007 )

alexsong-oai · 2026-01-27 12:06:40 -08:00

2f8a44baea

remove sandbox globals. (#9797 )

Threads sandbox updates through OverrideTurnContext for active turn
Passes computed sandbox type into safety/exec

iceweasel-oai · 2026-01-27 11:04:23 -08:00

c40ad65bd8

fix(app-server, core): defer initial context write to rollout file until first turn (#9950 )

### Overview
Currently calling `thread/resume` will always bump the thread's
`updated_at` timestamp. This PR makes it the `updated_at` timestamp
changes only if a turn is triggered.

### Additonal context
What we typically do on resuming a thread is **always** writing “initial
context” to the rollout file immediately. This initial context includes:
- Developer instructions derived from sandbox/approval policy + cwd
- Optional developer instructions (if provided)
- Optional collaboration-mode instructions
- Optional user instructions (if provided)
- Environment context (cwd, shell, etc.)

This PR defers writing the “initial context” to the rollout file until
the first `turn/start`, so we don't inadvertently bump the thread's
`updated_at` timestamp until a turn is actually triggered.

This works even though both `thread/resume` and `turn/start` accept
overrides (such as `model`, `cwd`, etc.) because the initial context is
seeded from the effective `TurnContext` in memory, computed at
`turn/start` time, after both sets of overrides have been applied.

**NOTE**: This is a very short-lived solution until we introduce sqlite.
Then we can remove this.

Owen Lin · 2026-01-27 10:41:54 -08:00

fc0fd85349

description in role type (#9993 )

jif-oai · 2026-01-27 17:20:07 +00:00

067922a734

chore: clean orchestrator prompt (#9994 )

jif-oai · 2026-01-27 16:32:05 +00:00

3b726d9550

nit: better unused prompt (#9991 )

jif-oai · 2026-01-27 13:03:12 +00:00

74ffbbe7c1

nit: better tool description (#9988 )

jif-oai · 2026-01-27 12:46:51 +00:00

742f086ee6

Fix: cap aggregated exec output consistently (#9759 )

## WHAT?
- Bias aggregated output toward stderr under contention (2/3 stderr, 1/3
stdout) while keeping the 1 MiB cap.
- Rebalance unused stderr share back to stdout when stderr is tiny to
avoid underfilling.
- Add tests for contention, small-stderr rebalance, and under-cap
ordering (stdout then stderr).

## WHY?
- Review feedback requested stderr priority under contention.
- Avoid underfilled aggregated output when stderr is small while
preserving a consistent cap across exec paths.

## HOW?
- Update `aggregate_output` to compute stdout/stderr shares, then
reassign unused capacity to the other stream.
- Use the helper in both Windows and async exec paths.
- Add regression tests for contention/rebalance and under-cap ordering.

## BEFORE
```rust
// Best-effort aggregate: stdout then stderr (capped).
let mut aggregated = Vec::with_capacity(
    stdout
        .text
        .len()
        .saturating_add(stderr.text.len())
        .min(EXEC_OUTPUT_MAX_BYTES),
);
append_capped(&mut aggregated, &stdout.text, EXEC_OUTPUT_MAX_BYTES);
append_capped(&mut aggregated, &stderr.text, EXEC_OUTPUT_MAX_BYTES);
let aggregated_output = StreamOutput {
    text: aggregated,
    truncated_after_lines: None,
};
```

## AFTER
```rust
fn aggregate_output(
    stdout: &StreamOutput<Vec<u8>>,
    stderr: &StreamOutput<Vec<u8>>,
) -> StreamOutput<Vec<u8>> {
    let total_len = stdout.text.len().saturating_add(stderr.text.len());
    let max_bytes = EXEC_OUTPUT_MAX_BYTES;
    let mut aggregated = Vec::with_capacity(total_len.min(max_bytes));

    if total_len <= max_bytes {
        aggregated.extend_from_slice(&stdout.text);
        aggregated.extend_from_slice(&stderr.text);
        return StreamOutput {
            text: aggregated,
            truncated_after_lines: None,
        };
    }

    // Under contention, reserve 1/3 for stdout and 2/3 for stderr; rebalance unused stderr to stdout.
    let want_stdout = stdout.text.len().min(max_bytes / 3);
    let want_stderr = stderr.text.len();
    let stderr_take = want_stderr.min(max_bytes.saturating_sub(want_stdout));
    let remaining = max_bytes.saturating_sub(want_stdout + stderr_take);
    let stdout_take = want_stdout + remaining.min(stdout.text.len().saturating_sub(want_stdout));

    aggregated.extend_from_slice(&stdout.text[..stdout_take]);
    aggregated.extend_from_slice(&stderr.text[..stderr_take]);

    StreamOutput {
        text: aggregated,
        truncated_after_lines: None,
    }
}
```

## TESTS
- [x] `just fmt`
- [x] `just fix -p codex-core`
- [x] `cargo test -p codex-core aggregate_output_`
- [x] `cargo test -p codex-core`
- [x] `cargo test --all-features`

## FIXES
Fixes #9758

K Bediako · 2026-01-27 09:29:12 +00:00

ab99df0694

Fixing main and make plan mode reasoning effort medium (#9980 )

It's overthinking so much on high and going over the context window.

Ahmed Ibrahim · 2026-01-26 22:30:24 -08:00

509ff1c643

make plan prompt less detailed (#9977 )

This was too much to ask for

Ahmed Ibrahim · 2026-01-26 21:42:01 -08:00

cabb2085cc

tui: wrapping user input questions (#9971 )

Ahmed Ibrahim · 2026-01-26 21:30:09 -08:00

4db6da32a3

make cached web_search client-side default (#9974 )

[Experiment](https://console.statsig.com/50aWbk2p4R76rNX9lN5VUw/experiments/codex_web_search_rollout/summary)
for default cached `web_search` completed; cached chosen as default.

Update client to reflect that.

sayan-oai · 2026-01-26 21:25:40 -08:00

0adcd8aa86

plan prompt (#9975 )

# External (non-OpenAI) Pull Request Requirements

Before opening this Pull Request, please read the dedicated
"Contributing" markdown file or your PR may be closed:
https://github.com/openai/codex/blob/main/docs/contributing.md

If your PR conforms to our contribution guidelines, replace this text
with a detailed and high quality description of your changes.

Include a link to a bug report or enhancement request.

Ahmed Ibrahim · 2026-01-26 21:14:05 -08:00

28bd7db14a

prompt (#9970 )

# External (non-OpenAI) Pull Request Requirements

Before opening this Pull Request, please read the dedicated
"Contributing" markdown file or your PR may be closed:
https://github.com/openai/codex/blob/main/docs/contributing.md

If your PR conforms to our contribution guidelines, replace this text
with a detailed and high quality description of your changes.

Include a link to a bug report or enhancement request.

Ahmed Ibrahim · 2026-01-26 20:27:57 -08:00

0c72d8fd6e

prompt final (#9969 )

hopefully final this time (at least tonight) >_<

Ahmed Ibrahim · 2026-01-26 20:12:43 -08:00

f45a8733bf

Improve plan mode prompt (#9968 )

# External (non-OpenAI) Pull Request Requirements

Before opening this Pull Request, please read the dedicated
"Contributing" markdown file or your PR may be closed:
https://github.com/openai/codex/blob/main/docs/contributing.md

If your PR conforms to our contribution guidelines, replace this text
with a detailed and high quality description of your changes.

Include a link to a bug report or enhancement request.

Ahmed Ibrahim · 2026-01-26 19:56:16 -08:00

b655a092ba

plan prompt v7 (#9966 )

# External (non-OpenAI) Pull Request Requirements

Before opening this Pull Request, please read the dedicated
"Contributing" markdown file or your PR may be closed:
https://github.com/openai/codex/blob/main/docs/contributing.md

If your PR conforms to our contribution guidelines, replace this text
with a detailed and high quality description of your changes.

Include a link to a bug report or enhancement request.

Ahmed Ibrahim · 2026-01-26 19:34:18 -08:00

b7bba3614e

fix: handle all web_search actions and in progress invocations (#9960 )

### Summary
- Parse all `web_search` tool actions (`search`, `find_in_page`,
`open_page`).
- Previously we only parsed + displayed `search`, which made the TUI
appear to pause when the other actions were being used.
- Show in progress `web_search` calls as `Searching the web`
  - Previously we only showed completed tool calls

<img width="308" height="149" alt="image"
src="https://github.com/user-attachments/assets/90a4e8ff-b06a-48ff-a282-b57b31121845"
/>

### Tests
Added + updated tests, tested locally

### Follow ups
Update VSCode extension to display these as well

sayan-oai · 2026-01-27 03:33:48 +00:00

86adf53235

Use test_codex more (#9961 )

Reduces boilderplate.

pakrym-oai · 2026-01-26 18:52:10 -08:00

998e88b12a

Warn users on enabling underdevelopment features (#9954 )

<img width="938" height="73" alt="image"
src="https://github.com/user-attachments/assets/a2d5ac46-92c5-4828-b35e-0965c30cdf36"
/>

Ahmed Ibrahim · 2026-01-27 01:58:05 +00:00

c900de271a

1384 Commits