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fix(mcp): Harden lifecycle teardown and observability #274

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Merged
cameroncooke merged 10 commits into from
Mar 16, 2026
Merged

fix(mcp): Harden lifecycle teardown and observability #274

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c3d78ca
fix(mcp): Harden server lifecycle shutdown
cameroncooke Mar 14, 2026
db34445
fix(mcp): Bound fast-exit server close on stdio disconnect
cameroncooke Mar 15, 2026
7756e9e
build(deps): Upgrade MCP SDK to 1.27.1
cameroncooke Mar 15, 2026
28bd7c4
Update mcp.json
cameroncooke Mar 15, 2026
3bfa481
fix(server): Redesign MCP shutdown with bounded Sentry flush
cameroncooke Mar 16, 2026
f2e1f70
fix(swift-package): Wait for real process exit after SIGTERM
cameroncooke Mar 16, 2026
60ae62f
fix(mcp): Bound shutdown cleanup budgets and race handling
cameroncooke Mar 16, 2026
0cf824b
fix(mcp): Add shutdown timeout headroom
cameroncooke Mar 16, 2026
22660e0
refactor(mcp): Simplify shutdown and lifecycle code
cameroncooke Mar 16, 2026
bd6c7f7
fix(mcp): Return error for not-found processes in bulk termination
cameroncooke Mar 16, 2026
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -111,3 +111,4 @@ bundled/
DerivedData
.derivedData
/.pr-learning
/repros
5 changes: 3 additions & 2 deletions .vscode/mcp.json
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@@ -1,11 +1,12 @@
{
{
"servers": {
"XcodeBuildMCP": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"xcodebuildmcp@latest"
"xcodebuildmcp@latest",
"mcp"
],
"env": {
"XCODEBUILDMCP_DEBUG": "true",
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5 changes: 4 additions & 1 deletion CHANGELOG.md
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Expand Up @@ -12,6 +12,10 @@

- Clarified configuration layering: `session_set_defaults` overrides `config.yaml`, which overrides env-based bootstrap values. See [docs/CONFIGURATION.md](docs/CONFIGURATION.md) ([#268](https://github.com/getsentry/XcodeBuildMCP/pull/268) by [@detailobsessed](https://github.com/detailobsessed)).

### Fixed

- Fixed orphaned MCP server processes by attaching shutdown handlers before async startup, explicitly stopping the Xcode watcher during teardown, and adding lifecycle diagnostics for memory and peer-process anomalies ([#273](https://github.com/getsentry/XcodeBuildMCP/issues/273)).

## [2.2.1]

- Fix AXe bundling issue.
Expand Down Expand Up @@ -406,4 +410,3 @@ Please note that the UI automation features are an early preview and currently i
## [v1.0.1] - 2025-04-02
- Initial release of XcodeBuildMCP
- Basic support for building iOS and macOS applications

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