diff --git a/typescript/src/main.ts b/typescript/src/main.ts
new file mode 100644
index 0000000..c074a23
--- /dev/null
+++ b/typescript/src/main.ts
@@ -0,0 +1,55 @@
+import * as core from '@actions/core'
+import * as github from '@actions/github'
+import {CommitValidator, Result} from './commit-validator'
+import {GitHub} from "@actions/github/lib/utils"
+import * as utils from './utils'
+import * as gh_utils from './gh-utils'
+
+async function run(): Promise<void> {
+    try {
+        core.debug(JSON.stringify(github.context))
+        core.info(JSON.stringify(github.context))
+        
+        const validator_file: string = core.getInput('validator_file')
+        const validator_name: string = core.getInput('validator')
+        const options: string[] = core.getMultilineInput('options')
+        const access_token: string = core.getInput('access_token')
+        // just to be sure
+        core.setSecret(access_token)
+
+        if (validator_file !== '' && validator_name !== '') {
+            core.setFailed("Please provide only 'validator' or 'validator_file'!")
+            return
+        }
+        if (validator_file === '' && validator_name === '') {
+            core.setFailed("Please provide either 'validator' or 'validator_file'!")
+            return
+        }
+        const octokit: InstanceType<typeof GitHub> = github.getOctokit(access_token)
+
+        let validator: CommitValidator
+        if (validator_file !== "") {
+            const [validator_url, mjs_file] = await gh_utils.download_validator_file(validator_file, octokit)
+            if (mjs_file === "") {
+                return
+            }
+            core.info(`Using validator from '${validator_url}'`)
+            validator = new (await utils.import_validator_cls(mjs_file))(options)
+        } else {
+            core.info(`Using shipped validator '${validator_name}'`)
+            validator = new (await utils.get_shipped_validator_cls(validator_name))(options)
+        }
+
+        const commits = await gh_utils.get_commits(octokit)
+        if (commits.length === 0) {
+            core.setFailed("No commits were found!")
+            return
+        }
+        const checks: Result[] = utils.check_commits(commits, validator)
+        gh_utils.print_results(checks)
+    } catch (error) {
+        if (error instanceof Error) core.setFailed(error.message)
+    }
+}
+
+run()