Action Runtime Sunset Lint runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 23 Sep 2026.
Finds the GitHub Actions steps that stop running on 2026-09-23, with the version to move to
Today is the operative word: we check Action Runtime Sunset Lint every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add action-runtime-sunset-lint -- npx -y @readystack/action-runtime-sunset-lint
{
"mcpServers": {
"action-runtime-sunset-lint": {
"args": [
"-y",
"@readystack/action-runtime-sunset-lint"
],
"command": "npx"
}
}
}
[mcp_servers.action-runtime-sunset-lint]
command = "npx"
args = ["-y", "@readystack/action-runtime-sunset-lint"]
{
"mcpServers": {
"action-runtime-sunset-lint": {
"args": [
"-y",
"@readystack/action-runtime-sunset-lint"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"action-runtime-sunset-lint": {
"args": [
"-y",
"@readystack/action-runtime-sunset-lint"
],
"command": "npx"
}
}
}
Node 20 is removed from GitHub-hosted runners on 2026-09-23 and ubuntu-22.04 deprecation opens 2026
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