diff --git a/developer/src/Makefile b/developer/src/Makefile
index 6f9efcca7b..854296e233 100644
--- a/developer/src/Makefile
+++ b/developer/src/Makefile
@@ -69,7 +69,7 @@ server: .virtual
     cd $(DEVELOPER_ROOT)\src\server
     $(MAKE) $(TARGET)
 
-kmc: kmc-keyboard kmc-model kmc-model-info kmc-package
+kmc: kmc-keyboard kmc-kmn kmc-model kmc-model-info kmc-package
     cd $(DEVELOPER_ROOT)\src\kmc
     $(MAKE) $(TARGET)
 
@@ -77,6 +77,10 @@ kmc-keyboard: .virtual
     cd $(DEVELOPER_ROOT)\src\kmc-keyboard
     $(MAKE) $(TARGET)
 
+kmc-kmn: .virtual
+    cd $(DEVELOPER_ROOT)\src\kmc-kmn
+    $(MAKE) $(TARGET)
+
 kmc-model: .virtual
     cd $(DEVELOPER_ROOT)\src\kmc-model
     $(MAKE) $(TARGET)
diff --git a/developer/src/kmc-kmn/Makefile b/developer/src/kmc-kmn/Makefile
new file mode 100644
index 0000000000..31ce8fcb9c
--- /dev/null
+++ b/developer/src/kmc-kmn/Makefile
@@ -0,0 +1,37 @@
+#
+# Keyman Developer - kmc kmn Compiler Makefile
+#
+
+!include ..\Defines.mak
+
+build: .virtual
+    $(GIT_BASH_FOR_KEYMAN) build.sh build
+
+configure: .virtual
+    $(GIT_BASH_FOR_KEYMAN) build.sh configure
+
+clean: .virtual
+    $(GIT_BASH_FOR_KEYMAN) build.sh clean
+
+test: .virtual
+    $(GIT_BASH_FOR_KEYMAN) build.sh test
+
+# build.sh bundle must be run from shell as it requires a temp folder to be
+# passed in. See inst/download.in.mak for instantiation.
+
+publish: .virtual
+    $(GIT_BASH_FOR_KEYMAN) build.sh publish
+
+signcode:
+    @rem nothing to do
+
+wrap-symbols:
+    @rem nothing to do
+
+test-manifest:
+    @rem nothing to do
+
+install:
+    @rem nothing to do
+
+!include ..\Target.mak
diff --git a/developer/src/kmc-kmn/build.sh b/developer/src/kmc-kmn/build.sh
new file mode 100755
index 0000000000..7ed5152c32
--- /dev/null
+++ b/developer/src/kmc-kmn/build.sh
@@ -0,0 +1,70 @@
+#!/usr/bin/env bash
+#
+# Compiles the kmc-kmn keyboard compiler.
+#
+
+# Exit on command failure and when using unset variables:
+set -eu
+
+## START STANDARD BUILD SCRIPT INCLUDE
+# adjust relative paths as necessary
+THIS_SCRIPT="$(readlink -f "${BASH_SOURCE[0]}")"
+. "${THIS_SCRIPT%/*}/../../../resources/build/build-utils.sh"
+## END STANDARD BUILD SCRIPT INCLUDE
+
+cd "$THIS_SCRIPT_PATH"
+
+. "$KEYMAN_ROOT/resources/shellHelperFunctions.sh"
+
+builder_describe "Build Keyman kmc kmn to kmx Compiler module" \
+  "@/common/web/keyman-version" \
+  "@/common/web/types" \
+  "@/developer/src/kmcmplib:wasm" \
+  "configure" \
+  "build" \
+  "clean" \
+  "test" \
+  "publish                   publish to npm" \
+  "--dry-run,-n              don't actually publish, just dry run"
+
+builder_describe_outputs \
+  configure     /node_modules \
+  build         /developer/src/kmc-kmn/build/src/main.js
+
+builder_parse "$@"
+
+#-------------------------------------------------------------------------------------------------------------------
+
+if builder_start_action clean; then
+  rm -rf ./build/ ./tsconfig.tsbuildinfo
+  builder_finish_action success clean
+fi
+
+#-------------------------------------------------------------------------------------------------------------------
+
+if builder_start_action configure; then
+  verify_npm_setup
+  builder_finish_action success configure
+fi
+
+#-------------------------------------------------------------------------------------------------------------------
+
+if builder_start_action build; then
+  tsc --build
+  builder_finish_action success build
+fi
+
+#-------------------------------------------------------------------------------------------------------------------
+
+if builder_start_action test; then
+  npm test
+  builder_finish_action success test
+fi
+
+#-------------------------------------------------------------------------------------------------------------------
+
+if builder_start_action publish; then
+  . "$KEYMAN_ROOT/resources/build/npm-publish.inc.sh"
+  npm_publish
+  builder_finish_action success publish
+fi
diff --git a/developer/src/kmc-kmn/package.json b/developer/src/kmc-kmn/package.json
new file mode 100644
index 0000000000..c665e2d621
--- /dev/null
+++ b/developer/src/kmc-kmn/package.json
@@ -0,0 +1,55 @@
+{
+  "name": "@keymanapp/kmc-kmn",
+  "description": "Keyman Developer kmn keyboard compiler",
+  "keywords": [
+    "keyboard",
+    "keyman",
+    "kmn",
+    "kmx",
+    "unicode"
+  ],
+  "type": "module",
+  "exports": {
+    ".": "./build/src/main.js"
+  },
+  "scripts": {
+    "build": "tsc -b",
+    "test": "cd test && tsc -b && cd .. && c8 --reporter=lcov --reporter=text mocha",
+    "prepublishOnly": "npm run build"
+  },
+  "author": "Marc Durdin <marc@keyman.com> (https://github.com/mcdurdin)",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/keymanapp/keyman/issues"
+  },
+  "dependencies": {
+    "@keymanapp/keyman-version": "*"
+  },
+  "devDependencies": {
+    "@types/chai": "^4.1.7",
+    "@types/mocha": "^5.2.7",
+    "@types/node": "^10.14.6",
+    "@types/semver": "^7.3.12",
+    "@types/sinon": "^10.0.13",
+    "@types/sinon-chai": "^3.2.9",
+    "@types/xml2js": "^0.4.5",
+    "c8": "^7.12.0",
+    "chai": "^4.3.4",
+    "chalk": "^2.4.2",
+    "mocha": "^8.4.0",
+    "sinon": "^15.0.2",
+    "sinon-chai": "^3.7.0",
+    "ts-node": "^9.1.1",
+    "typescript": "^4.9.5"
+  },
+  "mocha": {
+    "spec": "build/test/**/test-*.js",
+    "require": [
+      "source-map-support/register"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/keymanapp/keyman.git"
+  }
+}
diff --git a/developer/src/kmc-kmn/src/compiler/compiler.ts b/developer/src/kmc-kmn/src/compiler/compiler.ts
new file mode 100644
index 0000000000..3276ed4850
--- /dev/null
+++ b/developer/src/kmc-kmn/src/compiler/compiler.ts
@@ -0,0 +1,5 @@
+export class Compiler {
+  public run() {
+    console.log('TODO: implement WASM hooks');
+  }
+}
\ No newline at end of file
diff --git a/developer/src/kmc-kmn/src/main.ts b/developer/src/kmc-kmn/src/main.ts
new file mode 100644
index 0000000000..c3c3d6f173
--- /dev/null
+++ b/developer/src/kmc-kmn/src/main.ts
@@ -0,0 +1,2 @@
+
+export { Compiler } from './compiler/compiler.js';
diff --git a/developer/src/kmc-kmn/test/README.md b/developer/src/kmc-kmn/test/README.md
new file mode 100644
index 0000000000..96a198a0d3
--- /dev/null
+++ b/developer/src/kmc-kmn/test/README.md
@@ -0,0 +1,7 @@
+Keyman kmn Keyboard Compiler Tests
+===================================
+
+Test
+----
+
+    ../build.sh test
diff --git a/developer/src/kmc-kmn/test/test-compiler.ts b/developer/src/kmc-kmn/test/test-compiler.ts
new file mode 100644
index 0000000000..31804ab8cf
--- /dev/null
+++ b/developer/src/kmc-kmn/test/test-compiler.ts
@@ -0,0 +1,28 @@
+import 'mocha';
+import sinon from 'sinon';
+import chai, { expect } from 'chai';
+import sinonChai from 'sinon-chai';
+import { Compiler } from '../src/main.js';
+
+chai.use(sinonChai);
+
+describe('Compiler class', function() {
+  let consoleLog: any;
+
+  beforeEach(function() {
+    consoleLog = sinon.spy(console, 'log');
+  });
+
+  afterEach(function() {
+    consoleLog.restore();
+  });
+
+  it('should start', async function() {
+    const compiler = new Compiler();
+
+    compiler.run();
+
+    expect( consoleLog.calledOnce ).to.be.true;
+    expect( consoleLog.calledWith('TODO: implement WASM hooks') ).to.be.true;
+  });
+});
\ No newline at end of file
diff --git a/developer/src/kmc-kmn/test/tsconfig.json b/developer/src/kmc-kmn/test/tsconfig.json
new file mode 100644
index 0000000000..167be6d10a
--- /dev/null
+++ b/developer/src/kmc-kmn/test/tsconfig.json
@@ -0,0 +1,26 @@
+{
+  "extends": "../../kmc/tsconfig.kmc-base.json",
+
+  "compilerOptions": {
+      "rootDir": ".",
+      "rootDirs": ["./", "../src/"],
+      "outDir": "../build/test",
+      "baseUrl": ".",
+      "allowSyntheticDefaultImports": true, // for chai
+      "paths": {
+        // "@keymanapp/keyman-version": ["../../../common/web/keyman-version/keyman-version.mts"],
+        "@keymanapp/common-types": ["../../../../common/web/types/src/main"],
+        // "@keymanapp/": ["core/include/ldml/ldml-keyboard-constants"],
+      },
+    },
+  "include": [
+      "**/test-*.ts",
+      "./helpers/index.ts"
+  ],
+  "references": [
+      { "path": "../../../../common/web/keyman-version/tsconfig.esm.json" },
+      { "path": "../../../../common/web/types/" },
+      { "path": "../../../../common/tools/hextobin/" },
+      { "path": "../" }
+    ]
+}
\ No newline at end of file
diff --git a/developer/src/kmc-kmn/tsconfig.json b/developer/src/kmc-kmn/tsconfig.json
new file mode 100644
index 0000000000..518f4c71f5
--- /dev/null
+++ b/developer/src/kmc-kmn/tsconfig.json
@@ -0,0 +1,21 @@
+{
+  "extends": "../../../tsconfig.esm-base.json",
+
+  "compilerOptions": {
+    "outDir": "build/src/",
+    "rootDir": "src/",
+    "baseUrl": ".",
+    "paths": {
+      // "@keymanapp/keyman-version": ["../../../common/web/keyman-version/keyman-version.mts"],
+      "@keymanapp/common-types": ["../../../common/web/types/src/main"],
+    },
+
+  },
+  "include": [
+    "src/**/*.ts"
+  ],
+  "references": [
+    { "path": "../../../common/web/keyman-version/tsconfig.esm.json" },
+    { "path": "../../../common/web/types/" },
+  ]
+}
diff --git a/developer/src/kmc/build.sh b/developer/src/kmc/build.sh
index fd14e00e4c..55cacf656e 100755
--- a/developer/src/kmc/build.sh
+++ b/developer/src/kmc/build.sh
@@ -20,6 +20,7 @@ builder_describe "Build Keyman Keyboard Compiler kmc" \
   "@/common/web/keyman-version" \
   "@/common/web/types" \
   "@/developer/src/kmc-keyboard" \
+  "@/developer/src/kmc-kmn" \
   "@/developer/src/kmc-model" \
   "@/developer/src/kmc-model-info" \
   "@/developer/src/kmc-package" \
diff --git a/package-lock.json b/package-lock.json
index f30d84dd33..b5e43067ef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,6 +10,7 @@
         "resources/build/version",
         "core/include/ldml",
         "developer/src/kmc-keyboard",
+        "developer/src/kmc-kmn",
         "developer/src/kmc-model",
         "developer/src/kmc-model-info",
         "developer/src/kmc-package",
@@ -837,6 +838,345 @@
         "node": ">=0.3.1"
       }
     },
+    "developer/src/kmc-kmn": {
+      "name": "@keymanapp/kmc-kmn",
+      "license": "MIT",
+      "dependencies": {
+        "@keymanapp/keyman-version": "*"
+      },
+      "devDependencies": {
+        "@types/chai": "^4.1.7",
+        "@types/mocha": "^5.2.7",
+        "@types/node": "^10.14.6",
+        "@types/semver": "^7.3.12",
+        "@types/sinon": "^10.0.13",
+        "@types/sinon-chai": "^3.2.9",
+        "@types/xml2js": "^0.4.5",
+        "c8": "^7.12.0",
+        "chai": "^4.3.4",
+        "chalk": "^2.4.2",
+        "mocha": "^8.4.0",
+        "sinon": "^15.0.2",
+        "sinon-chai": "^3.7.0",
+        "ts-node": "^9.1.1",
+        "typescript": "^4.9.5"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/@sinonjs/commons": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-3.0.0.tgz",
+      "integrity": "sha512-jXBtWAF4vmdNmZgD5FoKsVLv3rPgDnLgPbU84LIJ3otV44vJlDRokVng5v8NFJdCf/da9legHcKaRuZs4L7faA==",
+      "dev": true,
+      "dependencies": {
+        "type-detect": "4.0.8"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/@sinonjs/samsam": {
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-7.0.1.tgz",
+      "integrity": "sha512-zsAk2Jkiq89mhZovB2LLOdTCxJF4hqqTToGP0ASWlhp4I1hqOjcfmZGafXntCN7MDC6yySH0mFHrYtHceOeLmw==",
+      "dev": true,
+      "dependencies": {
+        "@sinonjs/commons": "^2.0.0",
+        "lodash.get": "^4.4.2",
+        "type-detect": "^4.0.8"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/@sinonjs/samsam/node_modules/@sinonjs/commons": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-2.0.0.tgz",
+      "integrity": "sha512-uLa0j859mMrg2slwQYdO/AkrOfmH+X6LTVmNTS9CqexuE2IvVORIkSpJLqePAbEnKJ77aMmCwr1NUZ57120Xcg==",
+      "dev": true,
+      "dependencies": {
+        "type-detect": "4.0.8"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/@types/mocha": {
+      "version": "5.2.7",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-5.2.7.tgz",
+      "integrity": "sha512-NYrtPht0wGzhwe9+/idPaBB+TqkY9AhTvOLMkThm0IoEfLaiVQZwBwyJ5puCkO3AUCWrmcoePjp2mbFocKy4SQ==",
+      "dev": true
+    },
+    "developer/src/kmc-kmn/node_modules/@types/node": {
+      "version": "10.17.60",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.60.tgz",
+      "integrity": "sha512-F0KIgDJfy2nA3zMLmWGKxcH2ZVEtCZXHHdOQs2gSaQ27+lNeEfGxzkIw90aXswATX7AZ33tahPbzy6KAfUreVw==",
+      "dev": true
+    },
+    "developer/src/kmc-kmn/node_modules/ansi-styles": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+      "dev": true,
+      "dependencies": {
+        "color-convert": "^1.9.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/chalk": {
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+      "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+      "dev": true,
+      "dependencies": {
+        "ansi-styles": "^3.2.1",
+        "escape-string-regexp": "^1.0.5",
+        "supports-color": "^5.3.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/color-convert": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+      "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+      "dev": true,
+      "dependencies": {
+        "color-name": "1.1.3"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/color-name": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+      "integrity": "sha512-72fSenhMw2HZMTVHeCA9KCmpEIbzWiQsjN+BHcBbS9vr1mtt+vJjPdksIBNUmKAW8TFUDPJK5SUU3QhE9NEXDw==",
+      "dev": true
+    },
+    "developer/src/kmc-kmn/node_modules/isarray": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+      "integrity": "sha512-D2S+3GLxWH+uhrNEcoh/fnmYeP8E8/zHl644d/jdA0g2uyXvy3sb0qxotE+ne0LtccHknQzWwZEzhak7oJ0COQ==",
+      "dev": true
+    },
+    "developer/src/kmc-kmn/node_modules/js-yaml": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.0.0.tgz",
+      "integrity": "sha512-pqon0s+4ScYUvX30wxQi3PogGFAlUyH0awepWvwkj4jD4v+ova3RiYw8bmA6x2rDrEaj8i/oWKoRxpVNW+Re8Q==",
+      "dev": true,
+      "dependencies": {
+        "argparse": "^2.0.1"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/minimatch": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "dev": true,
+      "dependencies": {
+        "brace-expansion": "^1.1.7"
+      },
+      "engines": {
+        "node": "*"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/mocha": {
+      "version": "8.4.0",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-8.4.0.tgz",
+      "integrity": "sha512-hJaO0mwDXmZS4ghXsvPVriOhsxQ7ofcpQdm8dE+jISUOKopitvnXFQmpRR7jd2K6VBG6E26gU3IAbXXGIbu4sQ==",
+      "dev": true,
+      "dependencies": {
+        "@ungap/promise-all-settled": "1.1.2",
+        "ansi-colors": "4.1.1",
+        "browser-stdout": "1.3.1",
+        "chokidar": "3.5.1",
+        "debug": "4.3.1",
+        "diff": "5.0.0",
+        "escape-string-regexp": "4.0.0",
+        "find-up": "5.0.0",
+        "glob": "7.1.6",
+        "growl": "1.10.5",
+        "he": "1.2.0",
+        "js-yaml": "4.0.0",
+        "log-symbols": "4.0.0",
+        "minimatch": "3.0.4",
+        "ms": "2.1.3",
+        "nanoid": "3.1.20",
+        "serialize-javascript": "5.0.1",
+        "strip-json-comments": "3.1.1",
+        "supports-color": "8.1.1",
+        "which": "2.0.2",
+        "wide-align": "1.1.3",
+        "workerpool": "6.1.0",
+        "yargs": "16.2.0",
+        "yargs-parser": "20.2.4",
+        "yargs-unparser": "2.0.0"
+      },
+      "bin": {
+        "_mocha": "bin/_mocha",
+        "mocha": "bin/mocha"
+      },
+      "engines": {
+        "node": ">= 10.12.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/mochajs"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/mocha/node_modules/escape-string-regexp": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz",
+      "integrity": "sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==",
+      "dev": true,
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/mocha/node_modules/supports-color": {
+      "version": "8.1.1",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-8.1.1.tgz",
+      "integrity": "sha512-MpUEN2OodtUzxvKQl72cUF7RQ5EiHsGvSsVG0ia9c5RbWGL2CI4C7EpPS8UTBIplnlzZiNuV56w+FuNxy3ty2Q==",
+      "dev": true,
+      "dependencies": {
+        "has-flag": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/supports-color?sponsor=1"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "dev": true
+    },
+    "developer/src/kmc-kmn/node_modules/nise": {
+      "version": "5.1.4",
+      "resolved": "https://registry.npmjs.org/nise/-/nise-5.1.4.tgz",
+      "integrity": "sha512-8+Ib8rRJ4L0o3kfmyVCL7gzrohyDe0cMFTBa2d364yIrEGMEoetznKJx899YxjybU6bL9SQkYPSBBs1gyYs8Xg==",
+      "dev": true,
+      "dependencies": {
+        "@sinonjs/commons": "^2.0.0",
+        "@sinonjs/fake-timers": "^10.0.2",
+        "@sinonjs/text-encoding": "^0.7.1",
+        "just-extend": "^4.0.2",
+        "path-to-regexp": "^1.7.0"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/nise/node_modules/@sinonjs/commons": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-2.0.0.tgz",
+      "integrity": "sha512-uLa0j859mMrg2slwQYdO/AkrOfmH+X6LTVmNTS9CqexuE2IvVORIkSpJLqePAbEnKJ77aMmCwr1NUZ57120Xcg==",
+      "dev": true,
+      "dependencies": {
+        "type-detect": "4.0.8"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/path-to-regexp": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-1.8.0.tgz",
+      "integrity": "sha512-n43JRhlUKUAlibEJhPeir1ncUID16QnEjNpwzNdO3Lm4ywrBpBZ5oLD0I6br9evr1Y9JTqwRtAh7JLoOzAQdVA==",
+      "dev": true,
+      "dependencies": {
+        "isarray": "0.0.1"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/sinon": {
+      "version": "15.0.2",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-15.0.2.tgz",
+      "integrity": "sha512-PCVP63XZkg0/LOqQH5rEU4LILuvTFMb5tNxTHfs6VUMNnZz2XrnGSTZbAGITjzwQWbl/Bl/8hi4G3zZWjyBwHg==",
+      "dev": true,
+      "dependencies": {
+        "@sinonjs/commons": "^3.0.0",
+        "@sinonjs/fake-timers": "^10.0.2",
+        "@sinonjs/samsam": "^7.0.1",
+        "diff": "^5.1.0",
+        "nise": "^5.1.4",
+        "supports-color": "^7.2.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/sinon"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/sinon/node_modules/diff": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-5.1.0.tgz",
+      "integrity": "sha512-D+mk+qE8VC/PAUrlAU34N+VfXev0ghe5ywmpqrawphmVZc1bEfn56uo9qpyGp1p4xpzOHkSW4ztBd6L7Xx4ACw==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.3.1"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/sinon/node_modules/supports-color": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+      "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+      "dev": true,
+      "dependencies": {
+        "has-flag": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/supports-color": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+      "dev": true,
+      "dependencies": {
+        "has-flag": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/supports-color/node_modules/has-flag": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+      "integrity": "sha512-sKJf1+ceQBr4SMkvQnBDNDtf4TXpVhVGateu0t918bl30FnbE2m4vNLX+VWe/dpjlb+HugGYzW7uQXH98HPEYw==",
+      "dev": true,
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/ts-node": {
+      "version": "9.1.1",
+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-9.1.1.tgz",
+      "integrity": "sha512-hPlt7ZACERQGf03M253ytLY3dHbGNGrAq9qIHWUY9XHYl1z7wYngSr3OQ5xmui8o2AaxsONxIzjafLUiWBo1Fg==",
+      "dev": true,
+      "dependencies": {
+        "arg": "^4.1.0",
+        "create-require": "^1.1.0",
+        "diff": "^4.0.1",
+        "make-error": "^1.1.1",
+        "source-map-support": "^0.5.17",
+        "yn": "3.1.1"
+      },
+      "bin": {
+        "ts-node": "dist/bin.js",
+        "ts-node-script": "dist/bin-script.js",
+        "ts-node-transpile-only": "dist/bin-transpile.js",
+        "ts-script": "dist/bin-script-deprecated.js"
+      },
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "typescript": ">=2.7"
+      }
+    },
+    "developer/src/kmc-kmn/node_modules/ts-node/node_modules/diff": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
+      "integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.3.1"
+      }
+    },
     "developer/src/kmc-model": {
       "name": "@keymanapp/kmc-model",
       "license": "MIT",
@@ -1763,6 +2103,10 @@
       "resolved": "developer/src/kmc-keyboard",
       "link": true
     },
+    "node_modules/@keymanapp/kmc-kmn": {
+      "resolved": "developer/src/kmc-kmn",
+      "link": true
+    },
     "node_modules/@keymanapp/kmc-model": {
       "resolved": "developer/src/kmc-model",
       "link": true
@@ -2194,6 +2538,24 @@
         "type-detect": "4.0.8"
       }
     },
+    "node_modules/@sinonjs/fake-timers": {
+      "version": "10.0.2",
+      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-10.0.2.tgz",
+      "integrity": "sha512-SwUDyjWnah1AaNl7kxsa7cfLhlTYoiyhDAIgyh+El30YvXs/o7OLXpYH88Zdhyx9JExKrmHDJ+10bwIcY80Jmw==",
+      "dev": true,
+      "dependencies": {
+        "@sinonjs/commons": "^2.0.0"
+      }
+    },
+    "node_modules/@sinonjs/fake-timers/node_modules/@sinonjs/commons": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-2.0.0.tgz",
+      "integrity": "sha512-uLa0j859mMrg2slwQYdO/AkrOfmH+X6LTVmNTS9CqexuE2IvVORIkSpJLqePAbEnKJ77aMmCwr1NUZ57120Xcg==",
+      "dev": true,
+      "dependencies": {
+        "type-detect": "4.0.8"
+      }
+    },
     "node_modules/@sinonjs/formatio": {
       "version": "3.2.2",
       "dev": true,
@@ -2411,6 +2773,31 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/sinon": {
+      "version": "10.0.13",
+      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-10.0.13.tgz",
+      "integrity": "sha512-UVjDqJblVNQYvVNUsj0PuYYw0ELRmgt1Nt5Vk0pT5f16ROGfcKJY8o1HVuMOJOpD727RrGB9EGvoaTQE5tgxZQ==",
+      "dev": true,
+      "dependencies": {
+        "@types/sinonjs__fake-timers": "*"
+      }
+    },
+    "node_modules/@types/sinon-chai": {
+      "version": "3.2.9",
+      "resolved": "https://registry.npmjs.org/@types/sinon-chai/-/sinon-chai-3.2.9.tgz",
+      "integrity": "sha512-/19t63pFYU0ikrdbXKBWj9PCdnKyTd0Qkz0X91Ta081cYsq90OxYdcWwK/dwEoDa6dtXgj2HJfmzgq+QZTHdmQ==",
+      "dev": true,
+      "dependencies": {
+        "@types/chai": "*",
+        "@types/sinon": "*"
+      }
+    },
+    "node_modules/@types/sinonjs__fake-timers": {
+      "version": "8.1.2",
+      "resolved": "https://registry.npmjs.org/@types/sinonjs__fake-timers/-/sinonjs__fake-timers-8.1.2.tgz",
+      "integrity": "sha512-9GcLXF0/v3t80caGs5p2rRfkB+a8VBGLJZVih6CNFkx8IZ994wiKKLSRs9nuFwk1HevWs/1mnUmkApGrSGsShA==",
+      "dev": true
+    },
     "node_modules/@types/ws": {
       "version": "8.5.3",
       "dev": true,
@@ -6686,6 +7073,16 @@
         "supports-color": "^5.5.0"
       }
     },
+    "node_modules/sinon-chai": {
+      "version": "3.7.0",
+      "resolved": "https://registry.npmjs.org/sinon-chai/-/sinon-chai-3.7.0.tgz",
+      "integrity": "sha512-mf5NURdUaSdnatJx3uhoBOrY9dtL19fiOtAdT1Azxg3+lNJFiuN0uzaU3xX1LeAfL17kHQhTAJgpsfhbMJMY2g==",
+      "dev": true,
+      "peerDependencies": {
+        "chai": "^4.0.0",
+        "sinon": ">=4.0.0"
+      }
+    },
     "node_modules/sinon/node_modules/diff": {
       "version": "3.5.0",
       "dev": true,
diff --git a/package.json b/package.json
index f7892d6385..7d9faa8f18 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,7 @@
     "resources/build/version",
     "core/include/ldml",
     "developer/src/kmc-keyboard",
+    "developer/src/kmc-kmn",
     "developer/src/kmc-model",
     "developer/src/kmc-model-info",
     "developer/src/kmc-package",
diff --git a/tsconfig.esm.json b/tsconfig.esm.json
index 636b3ff0c1..6d286efd53 100644
--- a/tsconfig.esm.json
+++ b/tsconfig.esm.json
@@ -12,6 +12,8 @@
 
     { "path": "./developer/src/kmc-keyboard/test/tsconfig.json" },
     { "path": "./developer/src/kmc-keyboard/tsconfig.json" },
+    { "path": "./developer/src/kmc-kmn/test/tsconfig.json" },
+    { "path": "./developer/src/kmc-kmn/tsconfig.json" },
     { "path": "./developer/src/kmc-model/test/tsconfig.json" },
     { "path": "./developer/src/kmc-model/tsconfig.json" },
     //{ "path": "./developer/src/kmc-model-info/test/tsconfig.json" },