diff --git a/src/actions.ts b/src/actions.ts
index 3ffd894..48884d2 100644
--- a/src/actions.ts
+++ b/src/actions.ts
@@ -1,7 +1,6 @@
 import * as core from "@actions/core";
 import * as github from "@actions/github";
 import { EmitterWebhookEventName as WebhookEventName } from "@octokit/webhooks";
-import { Type as T } from "@sinclair/typebox";
 import { Value } from "@sinclair/typebox/value";
 import { LogReturn, Logs } from "@ubiquity-os/ubiquity-os-logger";
 import { config } from "dotenv";
@@ -9,24 +8,12 @@ import { postComment } from "./comment";
 import { Context } from "./context";
 import { customOctokit } from "./octokit";
 import { verifySignature } from "./signature";
-import { commandCallSchema } from "./types/command";
+import { inputSchema } from "./types/input-schema";
 import { HandlerReturn } from "./types/sdk";
-import { jsonType } from "./types/util";
 import { getPluginOptions, Options } from "./util";
 
 config();
 
-const inputSchema = T.Object({
-  stateId: T.String(),
-  eventName: T.String(),
-  eventPayload: jsonType(T.Record(T.String(), T.Any())),
-  command: jsonType(commandCallSchema),
-  authToken: T.String(),
-  settings: jsonType(T.Record(T.String(), T.Any())),
-  ref: T.String(),
-  signature: T.String(),
-});
-
 export async function createActionsPlugin<TConfig = unknown, TEnv = unknown, TCommand = unknown, TSupportedEvents extends WebhookEventName = WebhookEventName>(
   handler: (context: Context<TConfig, TEnv, TCommand, TSupportedEvents>) => HandlerReturn,
   options?: Options
diff --git a/src/server.ts b/src/server.ts
index 70cb42e..f53af4f 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -1,5 +1,4 @@
 import { EmitterWebhookEventName as WebhookEventName } from "@octokit/webhooks";
-import { Type as T } from "@sinclair/typebox";
 import { Value } from "@sinclair/typebox/value";
 import { LogReturn, Logs } from "@ubiquity-os/ubiquity-os-logger";
 import { Hono } from "hono";
@@ -10,21 +9,11 @@ import { Context } from "./context";
 import { PluginRuntimeInfo } from "./helpers/runtime-info";
 import { customOctokit } from "./octokit";
 import { verifySignature } from "./signature";
+import { inputSchema } from "./types/input-schema";
 import { Manifest } from "./types/manifest";
 import { HandlerReturn } from "./types/sdk";
 import { getPluginOptions, Options } from "./util";
 
-const inputSchema = T.Object({
-  stateId: T.String(),
-  eventName: T.String(),
-  eventPayload: T.Record(T.String(), T.Any()),
-  command: T.Union([T.Null(), T.Object({ name: T.String(), parameters: T.Unknown() })]),
-  authToken: T.String(),
-  settings: T.Record(T.String(), T.Any()),
-  ref: T.String(),
-  signature: T.String(),
-});
-
 export function createPlugin<TConfig = unknown, TEnv = unknown, TCommand = unknown, TSupportedEvents extends WebhookEventName = WebhookEventName>(
   handler: (context: Context<TConfig, TEnv, TCommand, TSupportedEvents>) => HandlerReturn,
   manifest: Manifest,
@@ -49,11 +38,11 @@ export function createPlugin<TConfig = unknown, TEnv = unknown, TCommand = unkno
       console.log(inputSchemaErrors, { depth: null });
       throw new HTTPException(400, { message: "Invalid body" });
     }
-    const inputs = Value.Decode(inputSchema, body);
-    const signature = inputs.signature;
-    if (!pluginOptions.bypassSignatureVerification && !(await verifySignature(pluginOptions.kernelPublicKey, inputs, signature))) {
+    const signature = body.signature;
+    if (!pluginOptions.bypassSignatureVerification && !(await verifySignature(pluginOptions.kernelPublicKey, body, signature))) {
       throw new HTTPException(400, { message: "Invalid signature" });
     }
+    const inputs = Value.Decode(inputSchema, body);
 
     let config: TConfig;
     if (pluginOptions.settingsSchema) {
diff --git a/src/types/input-schema.ts b/src/types/input-schema.ts
new file mode 100644
index 0000000..7a73165
--- /dev/null
+++ b/src/types/input-schema.ts
@@ -0,0 +1,14 @@
+import { Type as T } from "@sinclair/typebox";
+import { commandCallSchema } from "./command";
+import { jsonType } from "./util";
+
+export const inputSchema = T.Object({
+  stateId: T.String(),
+  eventName: T.String(),
+  eventPayload: jsonType(T.Record(T.String(), T.Any())),
+  command: jsonType(commandCallSchema),
+  authToken: T.String(),
+  settings: jsonType(T.Record(T.String(), T.Any())),
+  ref: T.String(),
+  signature: T.String(),
+});
diff --git a/tests/sdk.test.ts b/tests/sdk.test.ts
index a061a0c..fad45d0 100644
--- a/tests/sdk.test.ts
+++ b/tests/sdk.test.ts
@@ -32,33 +32,7 @@ const sdkOctokitImportPath = "../src/octokit";
 const githubActionImportPath = "@actions/github";
 const githubCoreImportPath = "@actions/core";
 
-async function getWorkerInputs(
-  stateId: string,
-  eventName: string,
-  eventPayload: object,
-  settings: object,
-  authToken: string,
-  ref: string,
-  command: CommandCall | null
-) {
-  const inputs = {
-    stateId,
-    eventName,
-    eventPayload,
-    settings,
-    authToken,
-    ref,
-    command,
-  };
-  const signature = await signPayload(JSON.stringify(inputs), privateKey);
-
-  return {
-    ...inputs,
-    signature,
-  };
-}
-
-async function getWorkflowInputs(
+async function getInputs(
   stateId: string,
   eventName: string,
   eventPayload: object,
@@ -133,15 +107,7 @@ describe("SDK worker tests", () => {
     expect(res.status).toEqual(400);
   });
   it("Should deny POST request with invalid signature", async () => {
-    const inputs = await getWorkerInputs(
-      "stateId",
-      issueCommentedEvent.eventName,
-      issueCommentedEvent.eventPayload,
-      { shouldFail: false },
-      "test",
-      "main",
-      null
-    );
+    const inputs = await getInputs("stateId", issueCommentedEvent.eventName, issueCommentedEvent.eventPayload, { shouldFail: false }, "test", "main", null);
 
     const res = await app.request("/", {
       headers: {
@@ -193,7 +159,7 @@ describe("SDK worker tests", () => {
       { kernelPublicKey: publicKey }
     );
 
-    const inputs = await getWorkerInputs(
+    const inputs = await getInputs(
       "stateId",
       issueCommentedEvent.eventName,
       issueCommentedEvent.eventPayload,
@@ -228,7 +194,7 @@ describe("SDK worker tests", () => {
     });
   });
   it("Should accept correct request", async () => {
-    const inputs = await getWorkerInputs(
+    const inputs = await getInputs(
       "stateId",
       issueCommentedEvent.eventName,
       issueCommentedEvent.eventPayload,
@@ -265,7 +231,7 @@ describe("SDK actions tests", () => {
   };
 
   it("Should accept correct request", async () => {
-    const githubInputs = await getWorkflowInputs("stateId", issueCommentedEvent.eventName, issueCommentedEvent.eventPayload, {}, "test_token", "main", {
+    const githubInputs = await getInputs("stateId", issueCommentedEvent.eventName, issueCommentedEvent.eventPayload, {}, "test_token", "main", {
       name: "test",
       parameters: { param1: "test" },
     });
@@ -327,7 +293,7 @@ describe("SDK actions tests", () => {
     });
   });
   it("Should deny invalid signature", async () => {
-    const githubInputs = await getWorkflowInputs("stateId", issueCommentedEvent.eventName, issueCommentedEvent.eventPayload, {}, "test_token", "main", null);
+    const githubInputs = await getInputs("stateId", issueCommentedEvent.eventName, issueCommentedEvent.eventPayload, {}, "test_token", "main", null);
 
     jest.unstable_mockModule("@actions/github", () => ({
       default: {},
@@ -364,7 +330,7 @@ describe("SDK actions tests", () => {
     expect(setOutput).not.toHaveBeenCalled();
   });
   it("Should accept inputs in different order", async () => {
-    const githubInputs = await getWorkflowInputs("stateId", issueCommentedEvent.eventName, issueCommentedEvent.eventPayload, {}, "test_token", "main", null);
+    const githubInputs = await getInputs("stateId", issueCommentedEvent.eventName, issueCommentedEvent.eventPayload, {}, "test_token", "main", null);
 
     jest.unstable_mockModule(githubActionImportPath, () => ({
       default: {},