[ Developer Platform ]
Build on Fethr.
Connect your health data stack with the Fethr MCP, REST API, or App SDK.
[ Developer Platform ]
Build on Fethr.
Connect your health data stack with the Fethr MCP, REST API, or App SDK.
[ Developer Platform ]
Build on Fethr.
Connect your health data stack with the Fethr MCP, REST API, or App SDK.
Expose Attio to AI clients.
Use the MCP server with coding agents, automation tools, or to integrate with your product.
Expose Attio to AI clients.
Use the MCP server with coding agents, automation tools, or to integrate with your product.
[01]
Enable agent-driven workflows with full read and write access.
[02]
Search, create, and manage data in Attio through structured tool calls.
[03]
Reason across Attio and other systems with dynamic, multi-tool execution.
[04]
Authenticate securely via OAuth with user-scoped permissions.
[05]
Connect in any MCP client alongside any other MCP servers.
[01]
Enable agent-driven workflows with full read and write access.
[02]
Search, create, and manage data in Attio through structured tool calls.
[03]
Reason across Attio and other systems with dynamic, multi-tool execution.
[04]
Authenticate securely via OAuth with user-scoped permissions.
[05]
Connect in any MCP client alongside any other MCP servers.
“The Fethr MCP gave us instant access to Fethr's full data model without any custom API work.”
“The Fethr MCP gave us instant access to Fethr's full data model without any custom API work.”
Integrate Attio with anything.
Start coding with a simple REST API that’s secure and built for scale.
Integrate Fethr with anything.
Start coding with a simple REST API that's secure and built for scale.
[01]
Create custom integrations with full read and write access.
[02]
Listen for webhooks and take action programatically.
[03]
Authenticate and authorize access with OAuth 2.0.
[01]
Create custom integrations with full read and write access.
[02]
Listen for webhooks and take action programatically.
[03]
Authenticate and authorize access with OAuth 2.0.
Nick Janes
// Attio Developer

“We’re both drawn to tools that believe in the builder economy — platforms that give you Lego blocks instead of rigid software. The Attio SDK gives the authority and autonomy back to builders.

“We’re both drawn to tools that believe in the builder economy — platforms that give you Lego blocks instead of rigid software. The Attio SDK gives the authority and autonomy back to builders.”
Build your Attio, your way.
Extend Attio in TypeScript and React with the App SDK.
Build your Attio, your way.
Extend Attio in TypeScript and React with the App SDK.
[01]
Choose entry points like record actions, widgets, or text selection to run your app inside Attio.
[02]
Create forms and define the shape and validation rules of your form data.
[03]
Use server functions to fetch, update, or remove data from third parties.
[01]
Choose entry points like record actions, widgets, or text selection to run your app inside Attio.
[02]
Create forms and define the shape and validation rules of your form data.
[03]
Use server functions to fetch, update, or remove data from third parties.
“The Fethr MCP gave us instant access to Fethr's full data model without any custom API work.”
“The Fethr MCP gave us instant access to Fethr's full data model without any custom API work.”
[04]
Authenticate connections for users or entire workspaces between Attio and external parties.
[05]
Receive external requests with webhooks to sync Attio or respond with data.
[06]
Add ready-made UI components to ship polished interfaces for your app.
[04]
Authenticate connections for users or entire workspaces between Attio and external parties.
[05]
Receive external requests with webhooks to sync Attio or respond with data.
[06]
Add ready-made UI components to ship polished interfaces for your app.
For developers, by developers.
We use what we build and commit to it daily.
For developers, by developers.
We use what we build and commit to it daily.
2,847 pull requests merged in the past year
2,847 PRs merged this year
Will Stenzel
// Attio Developer

“With the SDK, backend logic and frontend UI are seamlessly connected. It’s a joy to work with.

“With the SDK, backend logic and frontend UI are seamlessly connected. It’s a joy to work with.”
The SDK behind fast, flawless apps.
Leading teams are already building with the App SDK. Share apps internally or publish to the App Store.
The SDK behind fast, flawless apps.
Leading teams are already building with the App SDK. Share apps internally or publish to the App Store.
