diff --git a/action.yml b/action.yml
index fc328ab..5f31d32 100644
--- a/action.yml
+++ b/action.yml
@@ -2,8 +2,8 @@ name: "Optic"
 description: "Run Optic against the current commit"
 inputs:
   optic_token:
-    description: "Your organization's Optic token"
-    required: true
+    description: "Your organization's Optic token to use Optic cloud"
+    required: false
   github_token:
     description: "A GitHub token that can append comments to a PR"
     required: true
diff --git a/build/index.js b/build/index.js
index c546c21..b9475fd 100644
--- a/build/index.js
+++ b/build/index.js
@@ -4001,7 +4001,7 @@ async function execCommand(command, args, options = {}, logError = true) {
 }
 async function runAction(opticToken, githubToken, { additionalArgs, standardsFail, eventName, headRef, baseRef, owner, repo, sha, refName, compareFromPush, compareFromPr, }) {
     const failOnCheckError = standardsFail === "true";
-    const valid = verifyInput(opticToken, eventName, owner, repo);
+    const valid = verifyInput(eventName, owner, repo);
     if (!valid) {
         return 1;
     }
@@ -4057,11 +4057,7 @@ async function runAction(opticToken, githubToken, { additionalArgs, standardsFai
     return 0;
 }
 exports.runAction = runAction;
-function verifyInput(token, eventName, owner, repo) {
-    if (!token) {
-        core.error("No token was provided. You can generate a token through our app at https://app.useoptic.com");
-        return false;
-    }
+function verifyInput(eventName, owner, repo) {
     if (eventName !== "push" && eventName !== "pull_request") {
         core.error("Only 'push' and 'pull_request' events are supported.");
         return false;
@@ -4115,11 +4111,11 @@ async function diffAll(token, from, additionalArgs, headTag) {
         "--compare-from",
         from,
         "--check",
-        "--upload",
+        ...(token ? ["--upload"] : []),
         ...(headTag ? ["--head-tag", headTag] : []),
         ...(additionalArgs ? [...additionalArgs.split(" ")] : []),
     ], {
-        env: Object.assign(Object.assign({}, process.env), { OPTIC_TOKEN: token }),
+        env: Object.assign(Object.assign({}, process.env), (token ? { OPTIC_TOKEN: token } : {})),
     }, false);
 }
 async function prComment(githubToken, owner, repo, pr, sha) {
diff --git a/package.json b/package.json
index 39822c8..d22d972 100644
--- a/package.json
+++ b/package.json
@@ -46,5 +46,6 @@
   "dependencies": {
     "@actions/core": "^1.10.0",
     "@actions/exec": "^1.1.1"
-  }
+  },
+  "prettier": {}
 }
diff --git a/src/action.ts b/src/action.ts
index f190f80..bccee3a 100644
--- a/src/action.ts
+++ b/src/action.ts
@@ -20,7 +20,7 @@ async function execCommand(
 }
 
 export async function runAction(
-  opticToken: string,
+  opticToken: string | undefined,
   githubToken: string,
   {
     additionalArgs,
@@ -50,7 +50,7 @@ export async function runAction(
 ): Promise<number> {
   const failOnCheckError = standardsFail === "true";
 
-  const valid = verifyInput(opticToken, eventName, owner, repo);
+  const valid = verifyInput(eventName, owner, repo);
   if (!valid) {
     return 1;
   }
@@ -129,18 +129,10 @@ export async function runAction(
 }
 
 function verifyInput(
-  token: string,
   eventName: string | undefined,
   owner: string | undefined,
   repo: string | undefined
 ): boolean {
-  if (!token) {
-    core.error(
-      "No token was provided. You can generate a token through our app at https://app.useoptic.com"
-    );
-    return false;
-  }
-
   if (eventName !== "push" && eventName !== "pull_request") {
     core.error("Only 'push' and 'pull_request' events are supported.");
     return false;
@@ -196,7 +188,7 @@ async function parseAndEnsureRef(ref: string): Promise<string | false> {
 }
 
 async function diffAll(
-  token: string,
+  token: string | undefined,
   from: string,
   additionalArgs: string | undefined,
   headTag: string | undefined
@@ -210,14 +202,14 @@ async function diffAll(
       "--compare-from",
       from,
       "--check",
-      "--upload",
+      ...(token ? ["--upload"] : []),
       ...(headTag ? ["--head-tag", headTag] : []),
       ...(additionalArgs ? [...additionalArgs.split(" ")] : []),
     ],
     {
       env: {
         ...process.env,
-        OPTIC_TOKEN: token,
+        ...(token ? { OPTIC_TOKEN: token } : {}),
       },
     },
     false