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19 rules that find the Tailwind v3 syntax Tailwind v4 removed or silently redefined, in the file you
Package npm :@readystack/tailwind-v4-upgrade-blocker-lint · website · measurements and detailsFinds the Java lines the new LTS removed — 18 rules; 23 findings in one 64-line fixture
Package npm :@readystack/jdk25-upgrade-blocker-lint · website · measurements and detailsThe Livewire 2 lines that die quietly in Livewire 3 — named, with the v3 replacement beside each
Package npm :@readystack/livewire3-upgrade-blocker-lint · website · measurements and detailsFinds the lines that make Google Play reject your release - target API below 36, Billing Library bel
Package npm :@readystack/play-release-blocker-lint · website · measurements and detailsPremium agentic endpoint for backrun-arbitrage-blocker-mcp.
MCP endpoint :https://api.m2mcent.com/backrun-arbitrage-blocker-mcp/sse · measurements and detailsTailwind CSS palettes (50-950) from any color, the closest Tailwind color, and Tailwind's defaults
MCP endpoint :https://tailwindshades.bourhaouta.com/mcp · website · measurements and detailsRandom UUID v4
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/uuid-v4/mcp · website · measurements and detailsUpgrade protocol token, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/upgrade-ok/mcp · website · measurements and detailsMeaning of HTTP 426.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-426/mcp · website · measurements and detailsUUID v4 random-bit layout, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/uuid4-ok/mcp · website · measurements and detailsNames the .gitlab-ci.yml lines your runner will reject after the next GitLab major upgrade
Package npm :@readystack/gitlab-ci-break-lint · website · measurements and detailsCosta Rica Hacienda v4.4: AI agents submit and query electronic invoices, stateless BYO.
MCP endpoint :https://inv-cr.wishpool.app/mcp · website · measurements and detailsQuote, bid and confirm travel upgrades: eligibility, bid range, place/modify/cancel, instant buy.
MCP endpoint :https://www.upgradeagent.ai/api/mcp · website · measurements and detailsResolves Tailwind CSS design tokens and validates utility classes against the local project config.
Package npm :tailwind-context-resolver-mcp · website · measurements and detailsPCI DSS v4.0.1 compliance scanner for Go payment services, delivered as an MCP server
Package oci :ghcr.io/shyshlakov/pci-dss-mcp:v0.7.1 · website · measurements and detailsLint a SKILL.md for frontmatter, structure, secrets and size. All 6 tools free.
MCP endpoint :https://mcp.moltlinestudio.com/skillmd-lint · website · measurements and detailsChecks CLAUDE.md, AGENTS.md or a system prompt for 12 safeguards unattended agents need.
MCP endpoint :https://runningunattended.com/api/mcp · website · measurements and detailsStatically audits MCP tool surfaces for token cost, schema quality, and design issues.
MCP endpoint :https://mcplint-web.vercel.app/api/mcp · website · measurements and details{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key
MCP endpoint :https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/robots · website · measurements and details{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key
MCP endpoint :https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/lint · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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