diff --git a/.cursor-plugin/marketplace.json b/.cursor-plugin/marketplace.json
index 9b31a43f9..133b1b0e8 100644
--- a/.cursor-plugin/marketplace.json
+++ b/.cursor-plugin/marketplace.json
@@ -652,6 +652,11 @@
       "name": "servicenow",
       "source": "third_party/servicenow",
       "description": "Call the tools your admin publishes on a ServiceNow instance."
+    },
+    {
+      "name": "promptbio-ai",
+      "source": "third_party/promptbio-ai",
+      "description": "Process biological data and run biomarker discovery workflows on PromptBio's life sciences platform."
     }
   ]
 }
diff --git a/README.md b/README.md
index 9d46b46a2..17eb8db26 100644
--- a/README.md
+++ b/README.md
@@ -120,6 +120,7 @@ Official Cursor plugins for popular developer tools, frameworks, and SaaS produc
 | `ringcentral-phone` | [RingCentral Phone](third_party/ringcentral-phone/) | Cursor | Integrations | Read call activity, AI call notes, SMS, voicemail, and fax, and send SMS. |
 | `ringcentral-chat` | [RingCentral Chat](third_party/ringcentral-chat/) | Cursor | Integrations | Read team chats and posts, send messages, and manage teams, tasks, and notes. |
 | `servicenow` | [ServiceNow](third_party/servicenow/) | Cursor | Integrations | Call the tools your admin publishes on a ServiceNow instance. |
+| `promptbio-ai` | [PromptBio](third_party/promptbio-ai/) | Cursor | Integrations | Process biological data and run biomarker discovery workflows on PromptBio's life sciences platform. |
 Author values match each plugin’s `plugin.json` `author.name` (Cursor lists `plugins@cursor.com` in the manifest).
 
 ## Repository structure
diff --git a/third_party/promptbio-ai/.cursor-plugin/plugin.json b/third_party/promptbio-ai/.cursor-plugin/plugin.json
new file mode 100644
index 000000000..03744e601
--- /dev/null
+++ b/third_party/promptbio-ai/.cursor-plugin/plugin.json
@@ -0,0 +1,30 @@
+{
+  "name": "promptbio-ai",
+  "displayName": "PromptBio",
+  "version": "1.0.0",
+  "description": "Process biological data and run biomarker discovery workflows on PromptBio's life sciences platform.",
+  "author": {
+    "name": "PromptBio AI",
+    "email": "shashi@promptbio.ai"
+  },
+  "homepage": "https://promptbio.ai",
+  "repository": "https://github.com/cursor/plugins",
+  "license": "MIT",
+  "logo": "assets/logo.png",
+  "keywords": [
+    "promptbio",
+    "life sciences",
+    "bioinformatics",
+    "biomarker discovery",
+    "genomics",
+    "mcp"
+  ],
+  "category": "integrations",
+  "tags": [
+    "promptbio",
+    "life sciences",
+    "bioinformatics",
+    "mcp"
+  ],
+  "mcpServers": "./mcp.json"
+}
diff --git a/third_party/promptbio-ai/LICENSE b/third_party/promptbio-ai/LICENSE
new file mode 100644
index 000000000..ca2bba771
--- /dev/null
+++ b/third_party/promptbio-ai/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Cursor
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/third_party/promptbio-ai/README.md b/third_party/promptbio-ai/README.md
new file mode 100644
index 000000000..433f573a6
--- /dev/null
+++ b/third_party/promptbio-ai/README.md
@@ -0,0 +1,48 @@
+# PromptBio
+
+Cursor plugin that connects agents to [PromptBio](https://promptbio.ai) through PromptBio's hosted [Model Context Protocol](https://modelcontextprotocol.io/) server.
+
+PromptBio is an agentic AI platform for the life sciences. It processes biological data and scales biomarker discovery workflows without code or infrastructure to manage.
+
+## Install
+
+1. Open **Cursor Settings → Plugins**.
+2. Search for **PromptBio**.
+3. Click **Install**, then complete the PromptBio sign-in prompt.
+
+Or run `/add-plugin promptbio-ai` in chat.
+
+## MCP
+
+```json
+{
+  "mcpServers": {
+    "promptbio-ai": {
+      "type": "http",
+      "url": "https://platform.promptbio.ai/mcp"
+    }
+  }
+}
+```
+
+## Before you connect
+
+You need a PromptBio account. Sign up for a trial at https://platform.promptbio.ai.
+
+## Try it
+
+After connecting, ask: "List the sessions in the Tutorial project."
+
+The hosted runtime is the source of truth for tool names and schemas.
+
+## Docs
+
+- PromptBio: https://promptbio.ai
+- Platform: https://platform.promptbio.ai
+- Server URL: https://platform.promptbio.ai/mcp
+
+Logo is the avatar of the `PromptBio` GitHub organization. promptbio.ai blocked automated requests when this plugin was added, so the submitted logo (https://promptbio.ai/img/logo-square.png) was not downloaded.
+
+## License
+
+MIT
diff --git a/third_party/promptbio-ai/assets/logo.png b/third_party/promptbio-ai/assets/logo.png
new file mode 100644
index 000000000..2ea80fd4b
Binary files /dev/null and b/third_party/promptbio-ai/assets/logo.png differ
diff --git a/third_party/promptbio-ai/mcp.json b/third_party/promptbio-ai/mcp.json
new file mode 100644
index 000000000..c38cc29c2
--- /dev/null
+++ b/third_party/promptbio-ai/mcp.json
@@ -0,0 +1,8 @@
+{
+  "mcpServers": {
+    "promptbio-ai": {
+      "type": "http",
+      "url": "https://platform.promptbio.ai/mcp"
+    }
+  }
+}