diff --git a/lib/resolve-environment-action.js b/lib/resolve-environment-action.js
index 75dd52a29..471574db0 100644
--- a/lib/resolve-environment-action.js
+++ b/lib/resolve-environment-action.js
@@ -24,16 +24,46 @@ var __importStar = (this && this.__importStar) || function (mod) {
 };
 Object.defineProperty(exports, "__esModule", { value: true });
 const core = __importStar(require("@actions/core"));
+const actions_util_1 = require("./actions-util");
+const api_client_1 = require("./api-client");
+const configUtils = __importStar(require("./config-utils"));
+const languages_1 = require("./languages");
+const logging_1 = require("./logging");
+const resolve_environment_1 = require("./resolve-environment");
 const util_1 = require("./util");
+const workflow_1 = require("./workflow");
+const actionName = "resolve-environment";
 async function run() {
-    return;
+    const startedAt = new Date();
+    const logger = (0, logging_1.getActionsLogger)();
+    const language = (0, languages_1.resolveAlias)((0, actions_util_1.getRequiredInput)("language"));
+    try {
+        const workflowErrors = await (0, workflow_1.validateWorkflow)(logger);
+        if (!(await (0, actions_util_1.sendStatusReport)(await (0, actions_util_1.createStatusReportBase)(actionName, "starting", startedAt, workflowErrors)))) {
+            return;
+        }
+        const gitHubVersion = await (0, api_client_1.getGitHubVersion)();
+        (0, util_1.checkGitHubVersionInRange)(gitHubVersion, logger);
+        const config = await configUtils.getConfig((0, actions_util_1.getTemporaryDirectory)(), logger);
+        if (config === undefined) {
+            throw new Error("Config file could not be found at expected location. Has the 'init' action been called?");
+        }
+        const result = await (0, resolve_environment_1.runResolveBuildEnvironment)(config.codeQLCmd, logger, language);
+        core.setOutput("configuration", result);
+    }
+    catch (unwrappedError) {
+        const error = (0, util_1.wrapError)(unwrappedError);
+        core.setFailed(error.message);
+        await (0, actions_util_1.sendStatusReport)(await (0, actions_util_1.createStatusReportBase)(actionName, "aborted", startedAt, error.message, error.stack));
+        return;
+    }
 }
 async function runWrapper() {
     try {
         await run();
     }
     catch (error) {
-        core.setFailed(`resolve environment action failed: ${(0, util_1.wrapError)(error).message}`);
+        core.setFailed(`${actionName} action failed: ${(0, util_1.wrapError)(error).message}`);
     }
     await (0, util_1.checkForTimeout)();
 }
diff --git a/lib/resolve-environment-action.js.map b/lib/resolve-environment-action.js.map
index 38fbe5875..c857f0bec 100644
--- a/lib/resolve-environment-action.js.map
+++ b/lib/resolve-environment-action.js.map
@@ -1 +1 @@
-{"version":3,"file":"resolve-environment-action.js","sourceRoot":"","sources":["../src/resolve-environment-action.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;AAAA,oDAAsC;AAEtC,iCAAoD;AAEpD,KAAK,UAAU,GAAG;IAChB,OAAO;AACT,CAAC;AAED,KAAK,UAAU,UAAU;IACvB,IAAI;QACF,MAAM,GAAG,EAAE,CAAC;KACb;IAAC,OAAO,KAAK,EAAE;QACd,IAAI,CAAC,SAAS,CACZ,sCAAsC,IAAA,gBAAS,EAAC,KAAK,CAAC,CAAC,OAAO,EAAE,CACjE,CAAC;KACH;IACD,MAAM,IAAA,sBAAe,GAAE,CAAC;AAC1B,CAAC;AAED,KAAK,UAAU,EAAE,CAAC"}
\ No newline at end of file
+{"version":3,"file":"resolve-environment-action.js","sourceRoot":"","sources":["../src/resolve-environment-action.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;AAAA,oDAAsC;AAEtC,iDAKwB;AACxB,6CAAgD;AAChD,4DAA8C;AAC9C,2CAAqD;AACrD,uCAA6C;AAC7C,+DAAmE;AACnE,iCAA+E;AAC/E,yCAA8C;AAE9C,MAAM,UAAU,GAAG,qBAAqB,CAAC;AAEzC,KAAK,UAAU,GAAG;IAChB,MAAM,SAAS,GAAG,IAAI,IAAI,EAAE,CAAC;IAC7B,MAAM,MAAM,GAAG,IAAA,0BAAgB,GAAE,CAAC;IAClC,MAAM,QAAQ,GAAa,IAAA,wBAAY,EAAC,IAAA,+BAAgB,EAAC,UAAU,CAAC,CAAC,CAAC;IAEtE,IAAI;QACF,MAAM,cAAc,GAAG,MAAM,IAAA,2BAAgB,EAAC,MAAM,CAAC,CAAC;QAEtD,IACE,CAAC,CAAC,MAAM,IAAA,+BAAgB,EACtB,MAAM,IAAA,qCAAsB,EAC1B,UAAU,EACV,UAAU,EACV,SAAS,EACT,cAAc,CACf,CACF,CAAC,EACF;YACA,OAAO;SACR;QAED,MAAM,aAAa,GAAG,MAAM,IAAA,6BAAgB,GAAE,CAAC;QAC/C,IAAA,gCAAyB,EAAC,aAAa,EAAE,MAAM,CAAC,CAAC;QAEjD,MAAM,MAAM,GAAG,MAAM,WAAW,CAAC,SAAS,CAAC,IAAA,oCAAqB,GAAE,EAAE,MAAM,CAAC,CAAC;QAC5E,IAAI,MAAM,KAAK,SAAS,EAAE;YACxB,MAAM,IAAI,KAAK,CACb,yFAAyF,CAC1F,CAAC;SACH;QAED,MAAM,MAAM,GAAG,MAAM,IAAA,gDAA0B,EAAC,MAAM,CAAC,SAAS,EAAE,MAAM,EAAE,QAAQ,CAAC,CAAC;QACpF,IAAI,CAAC,SAAS,CAAC,eAAe,EAAE,MAAM,CAAC,CAAC;KACzC;IAAC,OAAO,cAAc,EAAE;QACvB,MAAM,KAAK,GAAG,IAAA,gBAAS,EAAC,cAAc,CAAC,CAAC;QACxC,IAAI,CAAC,SAAS,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC;QAC9B,MAAM,IAAA,+BAAgB,EACpB,MAAM,IAAA,qCAAsB,EAC1B,UAAU,EACV,SAAS,EACT,SAAS,EACT,KAAK,CAAC,OAAO,EACb,KAAK,CAAC,KAAK,CACZ,CACF,CAAC;QACF,OAAO;KACR;AACH,CAAC;AAED,KAAK,UAAU,UAAU;IACvB,IAAI;QACF,MAAM,GAAG,EAAE,CAAC;KACb;IAAC,OAAO,KAAK,EAAE;QACd,IAAI,CAAC,SAAS,CAAC,GAAG,UAAU,mBAAmB,IAAA,gBAAS,EAAC,KAAK,CAAC,CAAC,OAAO,EAAE,CAAC,CAAC;KAC5E;IACD,MAAM,IAAA,sBAAe,GAAE,CAAC;AAC1B,CAAC;AAED,KAAK,UAAU,EAAE,CAAC"}
\ No newline at end of file
diff --git a/resolve-environment/action.yml b/resolve-environment/action.yml
index e97468f25..ef000dceb 100644
--- a/resolve-environment/action.yml
+++ b/resolve-environment/action.yml
@@ -1,6 +1,13 @@
 name: 'CodeQL: Resolve Build Environment'
 description: 'Attempt to infer a suitable environment configuration for the autobuilder'
 author: 'GitHub'
+inputs:
+  language:
+    description: The language to infer the build environment configuration for.
+    required: true
+outputs:
+  configuration:
+    description: The inferred build environment configuration.
 runs:
   using: 'node16'
   main: '../lib/resolve-environment-action.js'
diff --git a/src/resolve-environment-action.ts b/src/resolve-environment-action.ts
index 2aa32f518..5435909f7 100644
--- a/src/resolve-environment-action.ts
+++ b/src/resolve-environment-action.ts
@@ -1,18 +1,75 @@
 import * as core from "@actions/core";
 
-import { checkForTimeout, wrapError } from "./util";
+import {
+  createStatusReportBase,
+  getRequiredInput,
+  getTemporaryDirectory,
+  sendStatusReport,
+} from "./actions-util";
+import { getGitHubVersion } from "./api-client";
+import * as configUtils from "./config-utils";
+import { Language, resolveAlias } from "./languages";
+import { getActionsLogger } from "./logging";
+import { runResolveBuildEnvironment } from "./resolve-environment";
+import { checkForTimeout, checkGitHubVersionInRange, wrapError } from "./util";
+import { validateWorkflow } from "./workflow";
+
+const actionName = "resolve-environment";
 
 async function run() {
-  return;
+  const startedAt = new Date();
+  const logger = getActionsLogger();
+  const language: Language = resolveAlias(getRequiredInput("language"));
+
+  try {
+    const workflowErrors = await validateWorkflow(logger);
+
+    if (
+      !(await sendStatusReport(
+        await createStatusReportBase(
+          actionName,
+          "starting",
+          startedAt,
+          workflowErrors
+        )
+      ))
+    ) {
+      return;
+    }
+
+    const gitHubVersion = await getGitHubVersion();
+    checkGitHubVersionInRange(gitHubVersion, logger);
+
+    const config = await configUtils.getConfig(getTemporaryDirectory(), logger);
+    if (config === undefined) {
+      throw new Error(
+        "Config file could not be found at expected location. Has the 'init' action been called?"
+      );
+    }
+
+    const result = await runResolveBuildEnvironment(config.codeQLCmd, logger, language);
+    core.setOutput("configuration", result);
+  } catch (unwrappedError) {
+    const error = wrapError(unwrappedError);
+    core.setFailed(error.message);
+    await sendStatusReport(
+      await createStatusReportBase(
+        actionName,
+        "aborted",
+        startedAt,
+        error.message,
+        error.stack
+      )
+    );
+    return;
+  }
 }
 
 async function runWrapper() {
   try {
     await run();
   } catch (error) {
-    core.setFailed(
-      `resolve environment action failed: ${wrapError(error).message}`
-    );
+    core.setFailed(`${actionName} action failed: ${wrapError(error).message}`);
   }
   await checkForTimeout();
 }