diff --git a/.markdownlint.json b/.markdownlint.json
new file mode 100644
index 0000000000000..5cff56c349210
--- /dev/null
+++ b/.markdownlint.json
@@ -0,0 +1,36 @@
+{
+  "default": true,
+  "MD001": false,
+  "MD004": false,
+  "MD005": false,
+  "MD006": false,
+  "MD007": false,
+  "MD009": false,
+  "MD010": false,
+  "MD012": false,
+  "MD013": false,
+  "MD014": false,
+  "MD018": false,
+  "MD019": false,
+  "MD022": false,
+  "MD024": false,
+  "MD025": false,
+  "MD026": false,
+  "MD027": false,
+  "MD028": false,
+  "MD029": false,
+  "MD030": false,
+  "MD031": false,
+  "MD032": false,
+  "MD033": false,
+  "MD034": false,
+  "MD035": false,
+  "MD036": false,
+  "MD038": false,
+  "MD039": false,
+  "MD040": false,
+  "MD041": false,
+  "MD042": false,
+  "MD046": false,
+  "MD047": false
+}
diff --git a/package-lock.json b/package-lock.json
index ce7ec74c7dd6a..03f70fd103ee5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2557,6 +2557,12 @@
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.0.tgz",
       "integrity": "sha512-jpSvDPV4Cq/bgtpndIWbI5hmYxhQGHPC4d4cqBPb4DLniCfhJokdXhwhaDuLBGLQdvvRum/UiX6ECVIPvDXqdg=="
     },
+    "graceful-readlink": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/graceful-readlink/-/graceful-readlink-1.0.1.tgz",
+      "integrity": "sha1-TK+tdrxi8C+gObL5Tpo906ORpyU=",
+      "dev": true
+    },
     "gray-matter": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/gray-matter/-/gray-matter-2.1.1.tgz",
@@ -3325,6 +3331,15 @@
         "resolve": "^1.1.7"
       }
     },
+    "linkify-it": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-2.2.0.tgz",
+      "integrity": "sha512-GnAl/knGn+i1U/wjBz3akz2stz+HrHLsxMwHQGofCDfPvlf+gDKN58UtfmUquTY4/MXeE2x7k19KQmeoZi94Iw==",
+      "dev": true,
+      "requires": {
+        "uc.micro": "^1.0.1"
+      }
+    },
     "load-json-file": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
@@ -3387,6 +3402,12 @@
       "resolved": "https://registry.npmjs.org/lodash.defaultsdeep/-/lodash.defaultsdeep-4.6.1.tgz",
       "integrity": "sha512-3j8wdDzYuWO3lM3Reg03MuQR957t287Rpcxp1njpEa8oDrikb+FwGdW3n+FELh/A6qib6yPit0j/pv9G/yeAqA=="
     },
+    "lodash.differencewith": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/lodash.differencewith/-/lodash.differencewith-4.5.0.tgz",
+      "integrity": "sha1-uvr7yRi1UVTheRdqALsK76rIVLc=",
+      "dev": true
+    },
     "lodash.filter": {
       "version": "4.6.0",
       "resolved": "https://registry.npmjs.org/lodash.filter/-/lodash.filter-4.6.0.tgz",
@@ -3472,11 +3493,80 @@
         "object-visit": "^1.0.0"
       }
     },
+    "markdown-it": {
+      "version": "8.4.2",
+      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-8.4.2.tgz",
+      "integrity": "sha512-GcRz3AWTqSUphY3vsUqQSFMbgR38a4Lh3GWlHRh/7MRwz8mcu9n2IO7HOh+bXHrR9kOPDl5RNCaEsrneb+xhHQ==",
+      "dev": true,
+      "requires": {
+        "argparse": "^1.0.7",
+        "entities": "~1.1.1",
+        "linkify-it": "^2.0.0",
+        "mdurl": "^1.0.1",
+        "uc.micro": "^1.0.5"
+      }
+    },
+    "markdownlint": {
+      "version": "0.15.0",
+      "resolved": "https://registry.npmjs.org/markdownlint/-/markdownlint-0.15.0.tgz",
+      "integrity": "sha512-sNcrSrUgpNbTQX6rPIMd+RI9rAryGTEbDI9VFpcFyijlC5g8gpkma49k5p98yFLdNbdcB3VW69UJ0smxvTVw6g==",
+      "dev": true,
+      "requires": {
+        "markdown-it": "8.4.2"
+      }
+    },
+    "markdownlint-cli": {
+      "version": "0.17.0",
+      "resolved": "https://registry.npmjs.org/markdownlint-cli/-/markdownlint-cli-0.17.0.tgz",
+      "integrity": "sha512-/MInVAuNUDGj5lWeAweL2s4Wk0BY2UqOUcOuOMhY62LXmQZU9qZiFJ5XgHrAZVMggFH/vPupCiUiAMFgGIOqHg==",
+      "dev": true,
+      "requires": {
+        "commander": "~2.9.0",
+        "deep-extend": "~0.5.1",
+        "get-stdin": "~5.0.1",
+        "glob": "~7.1.2",
+        "js-yaml": "^3.13.1",
+        "lodash.differencewith": "~4.5.0",
+        "lodash.flatten": "~4.4.0",
+        "markdownlint": "~0.15.0",
+        "minimatch": "~3.0.4",
+        "rc": "~1.2.7"
+      },
+      "dependencies": {
+        "commander": {
+          "version": "2.9.0",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
+          "integrity": "sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=",
+          "dev": true,
+          "requires": {
+            "graceful-readlink": ">= 1.0.0"
+          }
+        },
+        "deep-extend": {
+          "version": "0.5.1",
+          "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.5.1.tgz",
+          "integrity": "sha512-N8vBdOa+DF7zkRrDCsaOXoCs/E2fJfx9B9MrKnnSiHNh4ws7eSys6YQE4KvT1cecKmOASYQBhbKjeuDD9lT81w==",
+          "dev": true
+        },
+        "get-stdin": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-5.0.1.tgz",
+          "integrity": "sha1-Ei4WFZHiH/TFJTAwVpPyDmOTo5g=",
+          "dev": true
+        }
+      }
+    },
     "marked": {
       "version": "0.6.2",
       "resolved": "https://registry.npmjs.org/marked/-/marked-0.6.2.tgz",
       "integrity": "sha512-LqxwVH3P/rqKX4EKGz7+c2G9r98WeM/SW34ybhgNGhUQNKtf1GmmSkJ6cDGJ/t6tiyae49qRkpyTw2B9HOrgUA=="
     },
+    "mdurl": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/mdurl/-/mdurl-1.0.1.tgz",
+      "integrity": "sha1-/oWy7HWlkDfyrf7BAP1sYBdhFS4=",
+      "dev": true
+    },
     "merge-descriptors": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
@@ -4580,6 +4670,26 @@
         }
       }
     },
+    "rc": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
+      "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
+      "dev": true,
+      "requires": {
+        "deep-extend": "^0.6.0",
+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
+        "strip-json-comments": "~2.0.1"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+          "dev": true
+        }
+      }
+    },
     "react-is": {
       "version": "16.8.6",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.8.6.tgz",
@@ -5927,6 +6037,12 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
       "dev": true
     },
+    "uc.micro": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-1.0.6.tgz",
+      "integrity": "sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA==",
+      "dev": true
+    },
     "uglify-js": {
       "version": "3.6.0",
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.0.tgz",
diff --git a/package.json b/package.json
index 6fd01bae42f05..384d060206c85 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "load-schedule": "curl -sS https://raw.githubusercontent.com/nodejs/Release/master/schedule.json -o source/schedule.json",
     "start": "npm run serve",
     "test": "npm run test:lint && npm run test:unit && npm run test:smoke",
-    "test:lint": "standard --fix && htmllint **/*.hbs && stylint layouts/css",
+    "test:lint": "standard --fix && htmllint **/*.hbs && stylint layouts/css && markdownlint \"**/*.md\" -i \"node_modules/\"",
     "test:unit": "tape tests/**/*.test.js | faucet",
     "test:smoke": "tape tests/*.smoketest.js | faucet"
   },
@@ -64,6 +64,7 @@
   "devDependencies": {
     "faucet": "^0.0.1",
     "htmllint-cli": "^0.0.6",
+    "markdownlint-cli": "^0.17.0",
     "nock": "^10.0.6",
     "pre-commit": "^1.2.2",
     "proxyquire": "^2.0.1",