diff --git a/server/plugins/masca/index.mjs b/server/plugins/masca/index.mjs
new file mode 100644
index 0000000..dfa61f0
--- /dev/null
+++ b/server/plugins/masca/index.mjs
@@ -0,0 +1,51 @@
+
+export default class MascaPlugin {
+  /**
+   * This will initialize all of the hooks used by this plugin.
+   * A plugin can register multiple hooks, each hook being linked to a function that will be executed when the hook is triggered
+   */
+  async init() {
+    return {
+      HOOKS: {
+        "validate": (stream) => this.isValid(stream),
+      },
+    };
+  }
+
+  /** Will check if a valid credential is being saved */
+  async isValid(stream) {
+    
+    // Check if issuer is in credential
+    
+    let validIssuer = false;
+    let validSchema = false;
+    if (!stream.content.issuer){
+      console.log('failed at issuer')
+      return false;
+    }
+    if(typeof stream.content.issuer === 'string') {
+      if(stream.content.issuer === this.issuer)
+        validIssuer = true;
+    }
+    else if(stream.content.issuer.id && stream.content.issuer.id === this.issuer)
+    {
+      validIssuer = true;
+    }
+
+    // Check if schema is in credential
+    if (!stream.content.credentialSchema) {
+      console.log('failed at schema')
+      return false;
+    }
+    if(typeof stream.content.credentialSchema === 'string') {
+      if(stream.content.credentialSchema === this.schema)
+        validSchema = true;
+    }
+    else if(stream.content.credentialSchema.id && stream.content.credentialSchema.id === this.schema){
+      validSchema = true;
+  }
+
+    return validIssuer && validSchema;
+    
+  }
+}
\ No newline at end of file
diff --git a/server/plugins/masca/settings.json b/server/plugins/masca/settings.json
new file mode 100644
index 0000000..e9fcae0
--- /dev/null
+++ b/server/plugins/masca/settings.json
@@ -0,0 +1,22 @@
+{
+  "id": "masca",
+  "name": "Masca",
+  "logo": "/img/gitcoin-passport-logo.png",
+  "description": "Add a way to check for valid credentials in your app.",
+  "full_description": "This is a plugin that allows you to filter verifiable credentials based on issuer & credential schema.",
+  "hooks": ["validate"],
+  "variables": [
+    {
+      "name": "Credential Issuer",
+      "description": "The credential issuer required for this context.",
+      "per_context": true,
+      "id": "issuer"
+    },
+    {
+      "name": "Credential Schema URL",
+      "description": "URL of the credential schema.",
+      "per_context": true,
+      "id": "schema"
+    }
+  ]
+}