From 38b75170414b1ce43806b7bb9778a4894d1d809e Mon Sep 17 00:00:00 2001
From: roshansada <roshan.sadanani@anysphere.co>
Date: Sat, 8 Aug 2026 12:37:42 -0700
Subject: [PATCH] Add Circleback third-party MCP plugin

Circleback ships an official remote MCP server over Streamable HTTP with
OAuth and Dynamic Client Registration, so the plugin is a URL-only
mcp.json with no variables block.

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 .cursor-plugin/marketplace.json               |   6 +++
 README.md                                     |   1 +
 .../circleback/.cursor-plugin/plugin.json     |  33 +++++++++++++
 third_party/circleback/CHANGELOG.md           |   8 ++++
 third_party/circleback/LICENSE                |  21 +++++++++
 third_party/circleback/README.md              |  44 ++++++++++++++++++
 third_party/circleback/assets/logo.png        | Bin 0 -> 7270 bytes
 third_party/circleback/mcp.json               |   8 ++++
 8 files changed, 121 insertions(+)
 create mode 100644 third_party/circleback/.cursor-plugin/plugin.json
 create mode 100644 third_party/circleback/CHANGELOG.md
 create mode 100644 third_party/circleback/LICENSE
 create mode 100644 third_party/circleback/README.md
 create mode 100644 third_party/circleback/assets/logo.png
 create mode 100644 third_party/circleback/mcp.json

diff --git a/.cursor-plugin/marketplace.json b/.cursor-plugin/marketplace.json
index e54d8be1..4f6f882f 100644
--- a/.cursor-plugin/marketplace.json
+++ b/.cursor-plugin/marketplace.json
@@ -144,6 +144,12 @@
       "name": "clay",
       "source": "third_party/clay",
       "description": "Connect Cursor to Clay — find and enrich people and companies across 150+ data providers, run AI research agents, and trigger your team's approved Clay workflows — via Clay's official hosted MCP server."
+    },
+    {
+      "name": "circleback",
+      "source": "third_party/circleback",
+      "description": "Connect Cursor to Circleback — search meetings, transcripts, action items, calendar events, and emails, and look up people and companies — via Circleback's official remote MCP server."
     }
   ]
 }
+
diff --git a/README.md b/README.md
index 6b2dea1c..6afa70a1 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ Official Cursor plugins for popular developer tools, frameworks, and SaaS produc
 | `ashby` | [Ashby](third_party/ashby/) | Cursor | Integrations | Connect Cursor to Ashby — search candidates and jobs, prep for interviews, manage pipeline tasks, and take recruiting actions — via Ashby's official remote MCP server. |
 | `hubspot` | [HubSpot](third_party/hubspot/) | Cursor | Integrations | Connect Cursor to HubSpot CRM — search and update contacts, companies, deals, and tickets; work with activities, conversations, and marketing emails — via HubSpot's official remote MCP server. |
 | `intercom` | [Intercom](third_party/intercom/) | Cursor | Integrations | Connect Cursor to Intercom — search conversations and contacts, look up companies, and manage Help Center articles — via Intercom's official remote MCP server. |
+| `circleback` | [Circleback](third_party/circleback/) | Cursor | Integrations | Connect Cursor to Circleback — search meetings, transcripts, action items, calendar events, and emails, and look up people and companies — via Circleback's official remote MCP server. |
 | `x` | [X](third_party/x/) | Cursor | Integrations | Read-only access to the X API — search posts and users, read timelines and mentions, and pull trends and news — via X's official hosted MCP server. |
 Author values match each plugin’s `plugin.json` `author.name` (Cursor lists `plugins@cursor.com` in the manifest).
 
diff --git a/third_party/circleback/.cursor-plugin/plugin.json b/third_party/circleback/.cursor-plugin/plugin.json
new file mode 100644
index 00000000..c0dc765f
--- /dev/null
+++ b/third_party/circleback/.cursor-plugin/plugin.json
@@ -0,0 +1,33 @@
+{
+  "name": "circleback",
+  "displayName": "Circleback",
+  "version": "1.0.0",
+  "minClientVersions": {
+    "cursor": "3.13.0"
+  },
+  "description": "Connect Cursor to Circleback — search meetings, transcripts, action items, calendar events, and emails, and look up people and companies — via Circleback's official remote MCP server.",
+  "author": {
+    "name": "Cursor",
+    "email": "plugins@cursor.com"
+  },
+  "homepage": "https://support.circleback.ai/en/articles/13249081-circleback-mcp",
+  "repository": "https://github.com/cursor/plugins",
+  "license": "MIT",
+  "logo": "assets/logo.png",
+  "keywords": [
+    "circleback",
+    "meetings",
+    "transcripts",
+    "notes",
+    "calendar",
+    "mcp"
+  ],
+  "category": "integrations",
+  "tags": [
+    "circleback",
+    "meetings",
+    "mcp",
+    "productivity"
+  ],
+  "mcpServers": "./mcp.json"
+}
diff --git a/third_party/circleback/CHANGELOG.md b/third_party/circleback/CHANGELOG.md
new file mode 100644
index 00000000..80fab07e
--- /dev/null
+++ b/third_party/circleback/CHANGELOG.md
@@ -0,0 +1,8 @@
+# Changelog
+
+All notable changes to this plugin will be documented here.
+
+## 1.0.0 — initial release
+
+- Logo: Circleback's official apple-touch icon.
+- Added the `circleback` MCP server pointing at `https://circleback.ai/api/mcp`.
diff --git a/third_party/circleback/LICENSE b/third_party/circleback/LICENSE
new file mode 100644
index 00000000..ca2bba77
--- /dev/null
+++ b/third_party/circleback/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/circleback/README.md b/third_party/circleback/README.md
new file mode 100644
index 00000000..4893f33e
--- /dev/null
+++ b/third_party/circleback/README.md
@@ -0,0 +1,44 @@
+# Circleback
+
+Cursor plugin that connects agents to [Circleback](https://circleback.ai) through Circleback's official remote [Model Context Protocol](https://modelcontextprotocol.io/) server.
+
+Search meetings, transcripts, action items, calendar events, and emails, and look up people and companies in the signed-in Circleback account.
+
+## Install
+
+1. Open **Cursor Settings → Plugins**.
+2. Search for **Circleback**.
+3. Click **Install**, then complete the Circleback sign-in prompt.
+
+Or run `/add-plugin circleback` in chat.
+
+## MCP
+
+```json
+{
+  "mcpServers": {
+    "circleback": {
+      "type": "http",
+      "url": "https://circleback.ai/api/mcp"
+    }
+  }
+}
+```
+
+Auth is OAuth 2.0 against Circleback with Dynamic Client Registration (DCR) and PKCE. Cursor registers itself and prompts for Circleback sign-in when the plugin connects — there is no API key or client ID to configure.
+
+## Notes
+
+- Tool calls run as the Circleback user who authorizes the connection and cannot exceed that user's permissions.
+- Agents can search meetings and transcripts, pull notes and action items, search calendar and email, and look up people or companies tied to your Circleback history.
+
+## Docs
+
+- Circleback MCP: https://support.circleback.ai/en/articles/13249081-circleback-mcp
+- Server URL: https://circleback.ai/api/mcp
+
+Logo is Circleback's official apple-touch icon from https://circleback.ai/apple-touch-icon.png.
+
+## License
+
+MIT
diff --git a/third_party/circleback/assets/logo.png b/third_party/circleback/assets/logo.png
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diff --git a/third_party/circleback/mcp.json b/third_party/circleback/mcp.json
new file mode 100644
index 00000000..c4f9c0e7
--- /dev/null
+++ b/third_party/circleback/mcp.json
@@ -0,0 +1,8 @@
+{
+  "mcpServers": {
+    "circleback": {
+      "type": "http",
+      "url": "https://circleback.ai/api/mcp"
+    }
+  }
+}