diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..dde7877
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,12 @@
+# http://editorconfig.org
+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{*.js,*.mjs,*.ts,*.json,*.yml}]
+indent_size = 2
+indent_style = space
diff --git a/.eslintignore b/.eslintignore
new file mode 100644
index 0000000..c2658d7
--- /dev/null
+++ b/.eslintignore
@@ -0,0 +1 @@
+node_modules/
diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 0000000..d04439f
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,160 @@
+{
+  "env": {
+    "browser": true,
+    "es6": true,
+    "node": true
+  },
+  "extends": "eslint:recommended",
+  "parserOptions": {
+    "ecmaVersion": 2020
+  },
+  "globals": {
+    "BigInt": true,
+    "Metacom": true
+  },
+  "rules": {
+    "indent": ["error", 2],
+    "linebreak-style": ["error", "unix"],
+    "quotes": ["error", "single"],
+    "semi": ["error", "always"],
+    "no-loop-func": ["error"],
+    "block-spacing": ["error", "always"],
+    "camelcase": ["error"],
+    "eqeqeq": ["error", "always"],
+    "strict": ["error", "global"],
+    "brace-style": [
+      "error",
+      "1tbs",
+      {
+        "allowSingleLine": true
+      }
+    ],
+    "comma-style": ["error", "last"],
+    "comma-spacing": [
+      "error",
+      {
+        "before": false,
+        "after": true
+      }
+    ],
+    "eol-last": ["error"],
+    "func-call-spacing": ["error", "never"],
+    "key-spacing": [
+      "error",
+      {
+        "beforeColon": false,
+        "afterColon": true,
+        "mode": "minimum"
+      }
+    ],
+    "keyword-spacing": [
+      "error",
+      {
+        "before": true,
+        "after": true,
+        "overrides": {
+          "function": {
+            "after": false
+          }
+        }
+      }
+    ],
+    "max-len": [
+      "error",
+      {
+        "code": 80,
+        "ignoreUrls": true
+      }
+    ],
+    "max-nested-callbacks": [
+      "error",
+      {
+        "max": 7
+      }
+    ],
+    "new-cap": [
+      "error",
+      {
+        "newIsCap": true,
+        "capIsNew": false,
+        "properties": true
+      }
+    ],
+    "new-parens": ["error"],
+    "no-lonely-if": ["error"],
+    "no-trailing-spaces": ["error"],
+    "no-unneeded-ternary": ["error"],
+    "no-whitespace-before-property": ["error"],
+    "object-curly-spacing": ["error", "always"],
+    "operator-assignment": ["error", "always"],
+    "operator-linebreak": ["error", "after"],
+    "semi-spacing": [
+      "error",
+      {
+        "before": false,
+        "after": true
+      }
+    ],
+    "space-before-blocks": ["error", "always"],
+    "space-before-function-paren": [
+      "error",
+      {
+        "anonymous": "never",
+        "named": "never",
+        "asyncArrow": "always"
+      }
+    ],
+    "space-in-parens": ["error", "never"],
+    "space-infix-ops": ["error"],
+    "space-unary-ops": [
+      "error",
+      {
+        "words": true,
+        "nonwords": false,
+        "overrides": {
+          "typeof": false
+        }
+      }
+    ],
+    "no-unreachable": ["error"],
+    "no-global-assign": ["error"],
+    "no-self-compare": ["error"],
+    "no-unmodified-loop-condition": ["error"],
+    "no-constant-condition": [
+      "error",
+      {
+        "checkLoops": false
+      }
+    ],
+    "no-console": ["off"],
+    "no-useless-concat": ["error"],
+    "no-useless-escape": ["error"],
+    "no-shadow-restricted-names": ["error"],
+    "no-use-before-define": [
+      "error",
+      {
+        "functions": false
+      }
+    ],
+    "arrow-parens": ["error", "always"],
+    "arrow-body-style": ["error", "as-needed"],
+    "arrow-spacing": ["error"],
+    "no-confusing-arrow": [
+      "error",
+      {
+        "allowParens": true
+      }
+    ],
+    "no-useless-computed-key": ["error"],
+    "no-useless-rename": ["error"],
+    "no-var": ["error"],
+    "object-shorthand": ["error", "always"],
+    "prefer-arrow-callback": ["error"],
+    "prefer-const": ["error"],
+    "prefer-numeric-literals": ["error"],
+    "prefer-rest-params": ["error"],
+    "prefer-spread": ["error"],
+    "rest-spread-spacing": ["error", "never"],
+    "template-curly-spacing": ["error", "never"]
+  }
+}
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..74d3eb4
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,10 @@
+{
+  "singleQuote": true,
+  "trailingComma": "es5",
+  "overrides": [
+    {
+      "files": ".prettierrc",
+      "options": { "parser": "json" }
+    }
+  ]
+}
diff --git a/application/.eslintrc.json b/application/.eslintrc.json
new file mode 100644
index 0000000..b871c82
--- /dev/null
+++ b/application/.eslintrc.json
@@ -0,0 +1,19 @@
+{
+  "parserOptions": {
+    "sourceType": "module"
+  },
+  "rules": {
+    "id-denylist": [
+      2,
+      "application",
+      "node",
+      "npm",
+      "api",
+      "lib",
+      "db",
+      "domain",
+      "config",
+      "metarhia"
+    ]
+  }
+}
diff --git a/application/api/system.1/introspect.js b/application/api/system.1/introspect.js
new file mode 100644
index 0000000..d055e57
--- /dev/null
+++ b/application/api/system.1/introspect.js
@@ -0,0 +1,4 @@
+({
+  access: 'public',
+  method: application.introspect,
+});
diff --git a/server.js b/server.js
new file mode 100644
index 0000000..8a3c729
--- /dev/null
+++ b/server.js
@@ -0,0 +1,3 @@
+'use strict';
+
+require('impress');
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..1625593
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "target": "ESNext",
+    "moduleResolution": "node",
+    "strict": true,
+    "baseUrl": ".",
+    "preserveWatchOutput": true,
+    "allowJs": true,
+    "noEmit": true,
+    "skipLibCheck": true
+  },
+  "include": ["types/**/*.ts", "application/**/*"]
+}
diff --git a/types/global.d.ts b/types/global.d.ts
new file mode 100644
index 0000000..438e803
--- /dev/null
+++ b/types/global.d.ts
@@ -0,0 +1,20 @@
+import * as _impress from 'impress';
+
+import * as _metasql from 'metasql';
+import { Database } from 'metasql';
+
+declare global {
+  namespace metarhia {
+    const metasql: typeof _metasql;
+  }
+
+  namespace api {}
+
+  namespace lib {}
+
+  namespace domain {}
+
+  namespace db {
+    const pg: Database;
+  }
+}