Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
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Richard Feldman f0341c96a1
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Wrap agent terminal commands in macOS Seatbelt sandbox (#57431)
Stacked on top of #57430.

When the `sandboxing` feature flag is on (macOS only), agent-run
terminal commands are launched under `/usr/bin/sandbox-exec` with a
per-command Seatbelt policy:

- **Reads:** any path on the filesystem.
- **Writes:** each project worktree plus a per-command `$TMPDIR`.
- **Network:** blocked.

The model can request relaxations on individual calls via three new
input flags on the `terminal` tool:

- `allow_network: true`
- `allow_fs_write: true`
- `unsandboxed: true`

Each one triggers a separate always-prompt user approval (bypassing any
`always_allow` rules, since escalation is a stronger trust boundary than
the baseline command approval). The flags are silently ignored when
sandboxing is off, so the model can't surreptitiously change runtime
behavior by setting them in the no-op case.

The per-command tempdir is provisioned regardless of sandbox state so
the model can't infer whether the sandbox is in effect by looking at
`$TMPDIR`.

The Seatbelt config file's lifetime is tied to the `Terminal` entity via
an opaque RAII handle (`SandboxConfigHandle = Box<dyn Any + Send>`), so
cancellation paths drop it automatically.

### Notes for review

- The writable scope passed to the sandbox is the project's worktree
paths plus the per-command tempdir, **not** the resolved `cd` working
directory — `cd` is model-controlled, and using it as the writable scope
would let the model widen its own write permissions outside the project.
- The new tool flags are always present in the JSON schema (with
`#[serde(default)]`), even when the sandbox prompt section isn't
rendered. The system prompt only documents them when the section is
present, so the model shouldn't try to use them when it's not — but the
schema doesn't actively reject them, just ignores them.
- I opted not to add an end-to-end test for the escalation prompt path:
the existing `FakeThreadEnvironment` ignores the new params and toggling
the feature flag in tests is more wiring than felt worth it for a first
cut. The pure-function pieces (`sandbox_approval_title`, schema,
deserialization) are covered, and the sandbox crate itself has
end-to-end tests that actually invoke `sandbox-exec`.

Release Notes:

- N/A

---------

Co-authored-by: MartinYe1234 <52641447+MartinYe1234@users.noreply.github.com>
2026-05-27 21:38:17 +00:00
.agents/skills Add zed-cherry-pick agent skill (#57833) 2026-05-27 19:46:15 +00:00
.cargo livekit: Use our build of libwebrtc.a (#51433) 2026-03-16 10:47:36 +01:00
.cloudflare Staged docs releases (#50136) 2026-04-30 11:10:14 +00:00
.config Increase timeout for test_random_blocks (#50724) 2026-03-04 12:25:12 -05:00
.factory Add humanizer skill for AI writing pattern detection (#50021) 2026-02-24 14:58:52 -06:00
.github Duplicate Bot: Add more context for triagers (V3) (#57647) 2026-05-25 14:29:13 +00:00
.zed agent: Remove old edit file tool (#55612) 2026-05-04 09:54:39 +00:00
assets skill_creator: Use the status toast for confirming creation (#57855) 2026-05-27 18:09:52 +00:00
ci Move Nightly release to gh-workflow (#41349) 2025-10-28 13:57:23 -06:00
crates Wrap agent terminal commands in macOS Seatbelt sandbox (#57431) 2026-05-27 21:38:17 +00:00
docs Fix typo in command palette reference (#57869) 2026-05-27 20:03:27 +00:00
extensions docs: Fix typo in EXTRACTION.md (#55106) 2026-04-28 19:18:44 +00:00
legal Update legal docs to reflect new terms of service (#50530) 2026-03-02 12:36:31 -08:00
nix gpui: Accesskit support (#56065) 2026-05-27 18:17:59 +00:00
script Duplicate Bot: Handle failure modes better (#57663) 2026-05-25 16:49:51 +00:00
tooling extension_ci: Bump extension CLI version to 2a00db0 (#57098) 2026-05-19 07:01:38 +00:00
.git-blame-ignore-revs Add PR 50413 to .git-blame-ignore-revs (#50421) 2026-03-01 00:50:33 +01:00
.gitattributes windows: Make sure zed.sh using the correct line ending (#37650) 2025-09-05 16:25:55 +00:00
.gitignore gpui: Accesskit support (#56065) 2026-05-27 18:17:59 +00:00
.mailmap Update .mailmap (#47413) 2026-01-22 23:57:26 +05:30
.prettierrc ci: Add check for formatting default.json (#30034) 2025-05-06 18:55:26 +00:00
.rules Update AI rules to reflect that AsyncApp updates are now infallible (#54818) 2026-04-24 19:04:32 +00:00
AGENTS.md ai: Symlink an AGENTS.md file to .rules (#45939) 2026-01-19 15:29:42 +01:00
Cargo.lock Wrap agent terminal commands in macOS Seatbelt sandbox (#57431) 2026-05-27 21:38:17 +00:00
Cargo.toml Update git2 to 0.21.0 and add support for SHA-256 object formatted repos (#57587) 2026-05-27 20:59:01 +00:00
CLAUDE.md Initial .rules file for agent with symlinks for other rules file paths (#29014) 2025-04-17 23:41:23 +00:00
clippy.toml Revert "Revert scheduler update (#46659)" (#46671) 2026-01-14 07:19:13 +00:00
CODE_OF_CONDUCT.md Remove community content from docs and point to zed.dev (#19895) 2024-10-29 09:44:58 -04:00
compose.yml Remove Postgres and stripe-mock from Docker Compose (#48313) 2026-02-04 03:42:58 +00:00
CONTRIBUTING.md Add Zed Feature Process document (#50747) 2026-03-06 14:14:53 -08:00
debug.plist WIP 2023-12-14 09:25:14 -07:00
default.nix nix: Use flake-parts, partitions, and treefmt-nix (#45321) 2026-02-02 14:26:42 +00:00
Dockerfile-collab Bump Rust version to 1.94 (#51086) 2026-03-30 09:06:59 +00:00
Dockerfile-collab.dockerignore ci: Move collab to Dockerfile-collab (#18515) 2024-09-30 16:14:26 -04:00
Dockerfile-cross.dockerignore Add remote server cross compilation (#19136) 2024-10-12 23:23:56 -07:00
Dockerfile-distros Removal of mold/wild scripts and mentions in docs (#53078) 2026-04-08 21:20:02 +03:00
Dockerfile-distros.dockerignore Support More Linux (#18480) 2024-09-30 17:46:21 -04:00
flake.lock Rust 1.95 (#55104) 2026-04-29 10:27:47 +00:00
flake.nix Try to improve nix caching (#48297) 2026-02-03 20:31:02 -07:00
GEMINI.md Add missing GEMINI.md rule file for gemini-cli (#38885) 2025-10-02 09:47:29 -04:00
LICENSE-AGPL Update license year (#24191) 2025-02-04 09:02:59 -05:00
LICENSE-APACHE Update license year (#24191) 2025-02-04 09:02:59 -05:00
LICENSE-GPL Licenses: change license fields in Cargo.toml to AGPL-3.0-or-later. (#5535) 2024-01-27 13:51:16 +01:00
livekit.yaml Add LiveKit server to Docker Compose (#7907) 2024-02-16 10:49:48 -05:00
lychee.toml ci: Check for broken links (#30844) 2025-06-06 09:39:35 +00:00
Procfile Update instructions for local collaboration (#35689) 2025-08-06 11:10:28 -07:00
Procfile.all Add agent thread sharing (#46140) 2026-01-06 12:49:51 -08:00
Procfile.web Remove PostgREST (#41299) 2025-10-27 13:27:59 -04:00
README.md docs: Update tracking issue link to discussion in README (#57793) 2026-05-27 16:56:21 +00:00
renovate.json Remove workspace-hack (#40216) 2025-10-17 18:58:14 +00:00
REVIEWERS.conl Remove past reviewer (#51767) 2026-03-17 16:34:35 +00:00
rust-toolchain.toml Rust 1.95 (#55104) 2026-04-29 10:27:47 +00:00
rustfmt.toml nix: Use flake-parts, partitions, and treefmt-nix (#45321) 2026-02-02 14:26:42 +00:00
shell.nix nix: Use flake-parts, partitions, and treefmt-nix (#45321) 2026-02-02 14:26:42 +00:00
typos.toml markdown: Merman (#57644) 2026-05-27 16:27:18 +00:00

Zed

Zed CI

Welcome to Zed, a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.


Installation

On macOS, Linux, and Windows you can download Zed directly or install Zed via your local package manager (macOS/Linux/Windows).

Other platforms are not yet available:

Developing Zed

Contributing

See CONTRIBUTING.md for ways you can contribute to Zed.

Also... we're hiring! Check out our jobs page for open roles.

Licensing

License information for third party dependencies must be correctly provided for CI to pass.

We use cargo-about to automatically comply with open source licenses. If CI is failing, check the following:

  • Is it showing a no license specified error for a crate you've created? If so, add publish = false under [package] in your crate's Cargo.toml.
  • Is the error failed to satisfy license requirements for a dependency? If so, first determine what license the project has and whether this system is sufficient to comply with this license's requirements. If you're unsure, ask a lawyer. Once you've verified that this system is acceptable add the license's SPDX identifier to the accepted array in script/licenses/zed-licenses.toml.
  • Is cargo-about unable to find the license for a dependency? If so, add a clarification field at the end of script/licenses/zed-licenses.toml, as specified in the cargo-about book.

Sponsorship

Zed is developed by Zed Industries, Inc., a for-profit company.

If youd like to financially support the project, you can do so via GitHub Sponsors. Sponsorships go directly to Zed Industries and are used as general company revenue. There are no perks or entitlements associated with sponsorship.