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codex/codex-rs/Cargo.toml
T
jif 3095ea9c3d Project selected plugin runtime by environment availability (#30093) 
## Why

Selected plugin metadata is stable, but MCP processes are live runtime
state. They need different lifetimes:

- the MCP extension caches manifest, MCP, and connector declarations for
each stable selected root;
- each model step projects that cached metadata through the roots that
resolved as ready for that exact step;
- the MCP manager is rebuilt only when that availability projection
changes.

This matches executor skills: both features consume the same resolved
step roots instead of inferring readiness from the turn's selected
environments.

## Behavior

```text
E1 not ready for this step
  -> no E1 MCP servers or connectors
  -> cached plugin metadata stays in ext/mcp

E1 becomes ready
  -> reuse cached metadata
  -> publish one MCP runtime containing E1 capabilities

same ready roots on the next step
  -> reuse the exact runtime; no rediscovery and no MCP restart

resume
  -> create new extension thread state and a new MCP runtime
```

All model-facing consumers use the same step snapshot:

```text
resolved selected roots
        |
        v
extension MCP/connector projection
        |
        v
{ MCP config, connector snapshot, MCP manager }
        |
        +-> advertise model tools
        +-> build app/connector tools
        +-> execute MCP calls
```

## Cache contract

The existing MCP extension owns a cache keyed by the full
`SelectedCapabilityRoot`:

```rust
let state = thread_store.get_or_init(SelectedExecutorPluginMcpState::default);
```

The cache lives with extension thread state. Environment availability
filters projection but does not invalidate metadata. Resume creates new
thread state. There is no file watcher or executor generation because
contents behind a stable environment/root are assumed stable.

## What changes

- Keeps executor plugin discovery and cached metadata in `ext/mcp`.
- Caches MCP and connector declarations together per selected root.
- Uses the step's already-resolved capability roots, including lazy
environments that are not turn environments.
- Reuses the current MCP runtime when the ready-root projection is
unchanged.
- Uses the same step MCP manager and connector snapshot for
model-visible tools and execution.
- Resolves direct thread-scoped MCP requests from the current
selected-root projection.

## Deliberately out of scope

- `app/list` remains based on the latest global host-plugin state; this
PR does not make its response or notifications thread-specific.
- `required = true` startup semantics do not apply to delayed executor
MCP activation.
- No filesystem/content invalidation.
- No transport-disconnect watcher.
- No executor generations or environment replacement semantics.
- No client sharing across complete manager replacements.

## Stack

1. Extension-owned World State sections.
2. Project executor skills through World State.
3. Pin one MCP runtime to each model step.
4. **This PR:** project selected MCP and connector state from
extension-owned metadata.
5. Integration coverage for selected capability availability and resume.

## Verification

-
`selected_plugin_servers_use_managed_requirements_for_the_selected_root_id`
- The stacked integration PR covers unavailable to ready activation,
unchanged-runtime reuse, skills, MCP tools, connector attribution, and
cold resume.
2026-06-26 01:36:44 +01:00

561 lines
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[workspace]
members = [
"aws-auth",
"analytics",
"agent-graph-store",
"agent-identity",
"backend-client",
"bwrap",
"ansi-escape",
"async-utils",
"app-server",
"app-server-transport",
"app-server-daemon",
"app-server-client",
"app-server-protocol",
"app-server-test-client",
"apply-patch",
"arg0",
"feedback",
"features",
"install-context",
"codex-backend-openapi-models",
"code-mode",
"code-mode-host",
"code-mode-protocol",
"codex-home",
"cloud-config",
"cloud-tasks",
"cloud-tasks-client",
"cloud-tasks-mock-client",
"cli",
"collaboration-mode-templates",
"connectors",
"config",
"context-fragments",
"shell-command",
"shell-escalation",
"skills",
"core",
"core-api",
"core-plugins",
"core-skills",
"hooks",
"secrets",
"exec",
"file-system",
"exec-server-protocol",
"exec-server",
"execpolicy",
"execpolicy-legacy",
"ext/connectors",
"ext/extension-api",
"ext/goal",
"ext/guardian",
"ext/image-generation",
"ext/memories",
"ext/mcp",
"ext/skills",
"ext/web-search",
"external-agent-migration",
"external-agent-sessions",
"keyring-store",
"file-search",
"file-watcher",
"linux-sandbox",
"lmstudio",
"login",
"codex-mcp",
"mcp-server",
"memories/read",
"memories/write",
"model-provider-info",
"models-manager",
"network-proxy",
"ollama",
"process-hardening",
"protocol",
"realtime-webrtc",
"prompts",
"rollout",
"rollout-trace",
"rmcp-client",
"responses-api-proxy",
"response-debug-context",
"sandboxing",
"stdio-to-uds",
"otel",
"tui",
"tools",
"v8-poc",
"utils/absolute-path",
"utils/path-uri",
"utils/cargo-bin",
"git-utils",
"utils/cache",
"utils/image",
"utils/json-to-toml",
"utils/home-dir",
"utils/pty",
"utils/readiness",
"utils/rustls-provider",
"utils/string",
"utils/cli",
"utils/elapsed",
"utils/sandbox-summary",
"utils/sleep-inhibitor",
"utils/approval-presets",
"utils/oss",
"utils/output-truncation",
"utils/path-utils",
"utils/plugins",
"utils/fuzzy-match",
"utils/stream-parser",
"utils/template",
"codex-client",
"codex-api",
"state",
"terminal-detection",
"test-binary-support",
"thread-manager-sample",
"thread-store",
"uds",
"codex-experimental-api-macros",
"plugin",
"model-provider",
]
resolver = "2"
[workspace.package]
version = "0.0.0"
# Track the edition for all workspace crates in one place. Individual
# crates can still override this value, but keeping it here means new
# crates created with `cargo new -w ...` automatically inherit the 2024
# edition.
edition = "2024"
license = "Apache-2.0"
[workspace.dependencies]
# Internal
app_test_support = { path = "app-server/tests/common" }
codex-analytics = { path = "analytics" }
codex-agent-graph-store = { path = "agent-graph-store" }
codex-agent-identity = { path = "agent-identity" }
codex-ansi-escape = { path = "ansi-escape" }
codex-api = { path = "codex-api" }
codex-aws-auth = { path = "aws-auth" }
codex-app-server = { path = "app-server" }
codex-app-server-transport = { path = "app-server-transport" }
codex-app-server-daemon = { path = "app-server-daemon" }
codex-app-server-client = { path = "app-server-client" }
codex-app-server-protocol = { path = "app-server-protocol" }
codex-app-server-test-client = { path = "app-server-test-client" }
codex-apply-patch = { path = "apply-patch" }
codex-arg0 = { path = "arg0" }
codex-async-utils = { path = "async-utils" }
codex-backend-client = { path = "backend-client" }
codex-chatgpt = { path = "chatgpt" }
codex-cli = { path = "cli" }
codex-client = { path = "codex-client" }
codex-collaboration-mode-templates = { path = "collaboration-mode-templates" }
codex-cloud-config = { path = "cloud-config" }
codex-cloud-tasks-client = { path = "cloud-tasks-client" }
codex-cloud-tasks-mock-client = { path = "cloud-tasks-mock-client" }
codex-code-mode = { path = "code-mode" }
codex-code-mode-protocol = { path = "code-mode-protocol" }
codex-home = { path = "codex-home" }
codex-config = { path = "config" }
codex-connectors = { path = "connectors" }
codex-connectors-extension = { path = "ext/connectors" }
codex-context-fragments = { path = "context-fragments" }
codex-core = { path = "core" }
codex-core-api = { path = "core-api" }
codex-core-plugins = { path = "core-plugins" }
codex-core-skills = { path = "core-skills" }
codex-exec = { path = "exec" }
codex-file-system = { path = "file-system" }
codex-exec-server-protocol = { path = "exec-server-protocol" }
codex-exec-server = { path = "exec-server" }
codex-execpolicy = { path = "execpolicy" }
codex-extension-api = { path = "ext/extension-api" }
codex-goal-extension = { path = "ext/goal" }
codex-guardian = { path = "ext/guardian" }
codex-image-generation-extension = { path = "ext/image-generation" }
codex-external-agent-migration = { path = "external-agent-migration" }
codex-external-agent-sessions = { path = "external-agent-sessions" }
codex-experimental-api-macros = { path = "codex-experimental-api-macros" }
codex-features = { path = "features" }
codex-feedback = { path = "feedback" }
codex-install-context = { path = "install-context" }
codex-file-search = { path = "file-search" }
codex-file-watcher = { path = "file-watcher" }
codex-git-utils = { path = "git-utils" }
codex-hooks = { path = "hooks" }
codex-keyring-store = { path = "keyring-store" }
codex-linux-sandbox = { path = "linux-sandbox" }
codex-lmstudio = { path = "lmstudio" }
codex-login = { path = "login" }
codex-message-history = { path = "message-history" }
codex-memories-extension = { path = "ext/memories" }
codex-web-search-extension = { path = "ext/web-search" }
codex-memories-read = { path = "memories/read" }
codex-memories-write = { path = "memories/write" }
codex-mcp = { path = "codex-mcp" }
codex-mcp-extension = { path = "ext/mcp" }
codex-mcp-server = { path = "mcp-server" }
codex-model-provider-info = { path = "model-provider-info" }
codex-models-manager = { path = "models-manager" }
codex-network-proxy = { path = "network-proxy" }
codex-ollama = { path = "ollama" }
codex-otel = { path = "otel" }
codex-plugin = { path = "plugin" }
codex-model-provider = { path = "model-provider" }
codex-process-hardening = { path = "process-hardening" }
codex-protocol = { path = "protocol" }
codex-prompts = { path = "prompts" }
codex-responses-api-proxy = { path = "responses-api-proxy" }
codex-response-debug-context = { path = "response-debug-context" }
codex-rmcp-client = { path = "rmcp-client" }
codex-rollout = { path = "rollout" }
codex-rollout-trace = { path = "rollout-trace" }
codex-sandboxing = { path = "sandboxing" }
codex-secrets = { path = "secrets" }
codex-shell-command = { path = "shell-command" }
codex-shell-escalation = { path = "shell-escalation" }
codex-skills-extension = { path = "ext/skills" }
codex-skills = { path = "skills" }
codex-state = { path = "state" }
codex-stdio-to-uds = { path = "stdio-to-uds" }
codex-terminal-detection = { path = "terminal-detection" }
codex-test-binary-support = { path = "test-binary-support" }
codex-thread-store = { path = "thread-store" }
codex-tools = { path = "tools" }
codex-tui = { path = "tui" }
codex-uds = { path = "uds" }
codex-utils-absolute-path = { path = "utils/absolute-path" }
codex-utils-approval-presets = { path = "utils/approval-presets" }
codex-utils-cache = { path = "utils/cache" }
codex-utils-cargo-bin = { path = "utils/cargo-bin" }
codex-utils-cli = { path = "utils/cli" }
codex-utils-elapsed = { path = "utils/elapsed" }
codex-utils-fuzzy-match = { path = "utils/fuzzy-match" }
codex-utils-home-dir = { path = "utils/home-dir" }
codex-utils-image = { path = "utils/image" }
codex-utils-json-to-toml = { path = "utils/json-to-toml" }
codex-utils-oss = { path = "utils/oss" }
codex-utils-output-truncation = { path = "utils/output-truncation" }
codex-utils-path = { path = "utils/path-utils" }
codex-utils-path-uri = { path = "utils/path-uri" }
codex-utils-plugins = { path = "utils/plugins" }
codex-utils-pty = { path = "utils/pty" }
codex-utils-rustls-provider = { path = "utils/rustls-provider" }
codex-utils-sandbox-summary = { path = "utils/sandbox-summary" }
codex-utils-sleep-inhibitor = { path = "utils/sleep-inhibitor" }
codex-utils-stream-parser = { path = "utils/stream-parser" }
codex-utils-string = { path = "utils/string" }
codex-utils-template = { path = "utils/template" }
codex-v8-poc = { path = "v8-poc" }
codex-windows-sandbox = { path = "windows-sandbox-rs" }
core_test_support = { path = "core/tests/common" }
mcp_test_support = { path = "mcp-server/tests/common" }
# External
age = "0.11.1"
allocative = "0.3.3"
ansi-to-tui = "7.0.0"
anyhow = "1"
arboard = { version = "3", features = ["wayland-data-control"] }
arc-swap = "1.9.0"
assert_cmd = "2"
assert_matches = "1.5.0"
async-channel = "2.3.1"
async-io = "2.6.0"
async-stream = "0.3.6"
aws-config = "1"
aws-credential-types = "1"
aws-sigv4 = "1"
aws-types = "1"
axum = { version = "0.8", default-features = false }
base64 = "0.22.1"
bm25 = "2.3.2"
bytes = "1.10.1"
chardetng = "0.1.17"
chrono = "0.4.43"
clap = "4"
clap_complete = "4"
clatter = { version = "2.2.0", default-features = false, features = [
"alloc",
"getrandom",
"use-25519",
"use-aes-gcm",
"use-rust-crypto-ml-kem",
"use-sha",
] }
color-eyre = "0.6.3"
constant_time_eq = "0.3.1"
crossbeam-channel = "0.5.15"
crypto_box = { version = "0.9.1", features = ["seal"] }
crossterm = "0.28.1"
csv = "1.3.1"
ctor = "0.6.3"
deno_core_icudata = "0.77.0"
derive_more = "2"
diffy = "0.4.2"
dirs = "6"
divan = "0.1.21"
dns-lookup = "3.0.1"
dotenvy = "0.15.7"
dunce = "1.0.4"
ed25519-dalek = { version = "2.2.0", features = ["pkcs8"] }
encoding_rs = "0.8.35"
env_logger = "0.11.9"
eventsource-stream = "0.2.3"
flate2 = "1.1.8"
futures = { version = "0.3", default-features = false }
gethostname = "1.1.0"
gix = { version = "0.81.0", default-features = false, features = ["sha1"] }
glob = "0.3"
globset = "0.4"
hmac = "0.12.1"
http = "1.3.1"
iana-time-zone = "0.1.64"
icu_decimal = "2.1"
icu_locale_core = "2.1"
icu_provider = { version = "2.1", features = ["sync"] }
ignore = "0.4.23"
image = { version = "^0.25.9", default-features = false }
include_dir = "0.7.4"
indexmap = "2.12.0"
insta = "1.46.3"
inventory = "0.3.19"
itertools = "0.14.0"
jsonptr = { version = "0.7.1", default-features = false }
jsonwebtoken = "9.3.1"
keyring = { version = "3.6", default-features = false }
landlock = "0.4.4"
lazy_static = "1"
libc = "0.2.182"
# Keep SQLx's bundled SQLite on a version containing the WAL-reset corruption fix:
# https://www.sqlite.org/wal.html#the_wal_reset_bug
libsqlite3-sys = { version = "0.37", default-features = false }
log = "0.4"
lru = "0.16.3"
maplit = "1.0.2"
memchr = "2.7.6"
mime_guess = "2.0.5"
multimap = "0.10.0"
notify = "8.2.0"
nucleo = { git = "https://github.com/helix-editor/nucleo.git", rev = "4253de9faabb4e5c6d81d946a5e35a90f87347ee" }
once_cell = "1.20.2"
openssl-sys = "*"
opentelemetry = "0.31.0"
opentelemetry-appender-tracing = "0.31.0"
opentelemetry-otlp = "0.31.0"
opentelemetry-semantic-conventions = "0.31.0"
opentelemetry_sdk = "0.31.0"
os_info = "3.12.0"
owo-colors = "4.3.0"
path-absolutize = "3.1.1"
pathdiff = "0.2"
portable-pty = "0.9.0"
predicates = "3"
pretty_assertions = "1.4.1"
pulldown-cmark = "0.10"
quick-xml = "0.38.4"
rand = "0.9"
ratatui = "0.29.0"
ratatui-macros = "0.6.0"
rcgen = { version = "0.14.7", default-features = false, features = [
"aws_lc_rs",
"pem",
] }
regex = "1.12.3"
regex-lite = "0.1.8"
reqwest = { version = "0.12", features = ["cookies"] }
rmcp = { version = "1.8.0", default-features = false }
runfiles = { git = "https://github.com/dzbarsky/rules_rust", rev = "b56cbaa8465e74127f1ea216f813cd377295ad81" }
rustls = { version = "0.23", default-features = false, features = [
"aws_lc_rs",
"std",
] }
rustls-native-certs = "0.8.3"
rustls-pki-types = "1.14.0"
schemars = "0.8.22"
seccompiler = "0.5.0"
semver = "1.0"
sentry = "0.46.0"
serde = { version = "1", features = ["rc"] }
serde_ignored = "0.1.14"
serde_json = "1"
serde_path_to_error = "0.1.20"
serde_with = "3.17"
serde_yaml = "0.9"
serial_test = "3.2.0"
sha1 = "0.10.6"
sha2 = "0.10"
shlex = "1.3.0"
similar = "2.7.0"
socket2 = "0.6.1"
sqlx = { version = "0.9.0", default-features = false, features = [
"chrono",
"json",
"macros",
"migrate",
"runtime-tokio",
"tls-rustls",
"sqlite-bundled",
"time",
"uuid",
] }
starlark = { version = "0.14.2", default-features = false }
strum = "0.27.2"
strum_macros = "0.28.0"
supports-color = "3.0.2"
syntect = "5"
sys-locale = "0.3.2"
system-configuration = "0.7"
tar = { version = "=0.4.45", default-features = false }
tempfile = "3.23.0"
test-log = "0.2.19"
textwrap = "0.16.2"
thiserror = "2.0.17"
time = "0.3.47"
tiny_http = "0.12"
tokio = "1"
tokio-stream = "0.1.18"
tokio-test = "0.4"
tokio-tungstenite = { version = "0.28.0", features = [
"proxy",
"rustls-tls-native-roots",
] }
tokio-util = "0.7.18"
toml = "0.9.5"
toml_edit = "0.24.0"
tracing = "0.1.44"
tracing-appender = "0.2.3"
tracing-opentelemetry = "0.32.0"
tracing-subscriber = "0.3.22"
tracing-test = "0.2.5"
tonic = { version = "0.14.3", default-features = false, features = ["channel", "codegen"] }
tonic-prost = "0.14.3"
tree-sitter = "0.25.10"
tree-sitter-bash = "0.25"
ts-rs = "11"
tungstenite = { version = "0.27.0", features = ["deflate", "proxy"] }
uds_windows = "1.1.0"
unicode-segmentation = "1.12.0"
unicode-width = "0.2"
url = "2"
urlencoding = "2.1"
uuid = "1"
v8 = "=149.2.0"
vt100 = "0.16.2"
walkdir = "2.5.0"
webbrowser = "1.0"
which = "8"
whoami = "1.6.1"
wildmatch = "2.6.1"
winapi-util = "0.1.11"
zip = "2.4.2"
zstd = "0.13"
wiremock = "0.6"
zeroize = "1.8.2"
[workspace.lints]
rust = {}
[workspace.lints.clippy]
await_holding_invalid_type = "deny"
await_holding_lock = "deny"
expect_used = "deny"
identity_op = "deny"
manual_clamp = "deny"
manual_filter = "deny"
manual_find = "deny"
manual_flatten = "deny"
manual_map = "deny"
manual_memcpy = "deny"
manual_non_exhaustive = "deny"
manual_ok_or = "deny"
manual_range_contains = "deny"
manual_retain = "deny"
manual_strip = "deny"
manual_try_fold = "deny"
manual_unwrap_or = "deny"
needless_borrow = "deny"
needless_borrowed_reference = "deny"
needless_collect = "deny"
needless_late_init = "deny"
needless_option_as_deref = "deny"
needless_question_mark = "deny"
needless_update = "deny"
redundant_clone = "deny"
redundant_closure = "deny"
redundant_closure_for_method_calls = "deny"
redundant_static_lifetimes = "deny"
trivially_copy_pass_by_ref = "deny"
uninlined_format_args = "deny"
unnecessary_filter_map = "deny"
unnecessary_lazy_evaluations = "deny"
unnecessary_sort_by = "deny"
unnecessary_to_owned = "deny"
unwrap_used = "deny"
# cargo-shear cannot see the platform-specific openssl-sys usage, so we
# silence the false positive here instead of deleting a real dependency.
[workspace.metadata.cargo-shear]
ignored = [
"icu_provider",
"openssl-sys",
"codex-v8-poc",
]
[profile.dev]
# Keep line tables/backtraces while avoiding expensive full variable debug info
# across local dev builds.
debug = "limited"
[profile.dev-small]
inherits = "dev"
opt-level = 0
debug = "none"
strip = "symbols"
[profile.release]
lto = "thin"
debug = "line-tables-only"
split-debuginfo = "off"
# Keep release binaries symbolicateable until packaging has archived the
# sidecar symbols and stripped the binaries.
strip = false
# Balance parallel release code generation against binary size.
codegen-units = 4
[profile.profiling]
inherits = "release"
debug = "full"
lto = false
strip = false
[profile.ci-test]
# Reduce binary size to reduce disk pressure.
debug = "limited"
inherits = "test"
opt-level = 0
[patch.crates-io]
# Uncomment to debug local changes.
# ratatui = { path = "../../ratatui" }
crossterm = { git = "https://github.com/nornagon/crossterm", rev = "87db8bfa6dc99427fd3b071681b07fc31c6ce995" }
ratatui = { git = "https://github.com/nornagon/ratatui", rev = "9b2ad1298408c45918ee9f8241a6f95498cdbed2" }
tokio-tungstenite = { git = "https://github.com/openai-oss-forks/tokio-tungstenite", rev = "0e5b2d73aa18dd9f0a50ee9ff199d5aef7594186" }
tungstenite = { git = "https://github.com/openai-oss-forks/tungstenite-rs", rev = "4fffad30fe373adbdcffab9545e9e9bf4f2fc19f" }
# Uncomment to debug local changes.
# rmcp = { path = "../../rust-sdk/crates/rmcp" }
[patch."ssh://git@github.com/openai-oss-forks/tungstenite-rs.git"]
tungstenite = { git = "https://github.com/openai-oss-forks/tungstenite-rs", rev = "4fffad30fe373adbdcffab9545e9e9bf4f2fc19f" }
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