Jdk25 Upgrade Blocker Lint runs on your own machine — the client starts it, so there is no endpoint to ping. 164 installs a week from npm. Last commit 2 Nov 2026.
Finds the Java lines the new LTS removed — 18 rules; 23 findings in one 64-line fixture
Today is the operative word: we check Jdk25 Upgrade Blocker 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 jdk25-upgrade-blocker-lint -- npx -y @readystack/jdk25-upgrade-blocker-lint
{
"mcpServers": {
"jdk25-upgrade-blocker-lint": {
"command": "npx",
"args": [
"-y",
"@readystack/jdk25-upgrade-blocker-lint"
]
}
}
}
[mcp_servers.jdk25-upgrade-blocker-lint]
command = "npx"
args = ["-y", "@readystack/jdk25-upgrade-blocker-lint"]
{
"mcpServers": {
"jdk25-upgrade-blocker-lint": {
"command": "npx",
"args": [
"-y",
"@readystack/jdk25-upgrade-blocker-lint"
]
}
}
}
{
"servers": {
"jdk25-upgrade-blocker-lint": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@readystack/jdk25-upgrade-blocker-lint"
]
}
}
}
19 rules that find the Tailwind v3 syntax Tailwind v4 removed or silently redefined, in the file you
18 rules over the accessibility metadata in your .opf: 12 findings in the sample file, 9 of them err
Finds the removed components and renamed attributes in an OpenTelemetry Collector config before the
Finds the robots.txt lines that reserve nothing — retired crawler tokens, shadowed groups, rules abo
Finds the lines KSeF will reject in a Polish structured invoice XML, before you send it
Finds the .tf lines a clean terraform init is still free to move
Names every WCAG 2.2 AA form failure on its line, with the criterion and the fix
Finds the money lines that send the wrong amount to a payment API: the x100 that charges 100x in JPY
Answers built from our own checks of this server.