How to Use the Knack MCP in Claude

Q: How do I install the Knack MCP server in Claude Desktop?

Open your claudedesktopconfig.json file from the Developer settings menu. Add the server command under the mcpServers array and restart the application.

Q: Can Claude Desktop read my exact Knack table schemas?

Yes. The agent calls listobjectfields to see the exact structure of your database. It maps your human-readable column names to the internal Knack field IDs automatically.

Manage your Knack database directly from Claude Desktop. Query records and execute schema-aware CRUD operations without touching an API client.

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Connect Knack MCP to Claude Desktop

Create your Vinkius account to connect Knack to Claude Desktop and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Knack with Claude Desktop

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Map database structures with this MCP Server

The `list_objects` tool pulls your exact Knack application structure into Claude Desktop so you know exactly which tables exist. Your agent follows this up with `get_object_schema` and `list_object_fields` to map the internal field IDs, like translating a user-facing "Email" column into the required `field_12` key. Guessing column names leads to failed API calls. Pulling the exact schema first ensures every subsequent read or write operation targets the right data types. You get a perfect map of your Knack environment before moving a single byte of data.

Filter and extract specific records

The `search_records` tool accepts Knack Filter format JSON to isolate exact rows in your database. You tell Claude to find all active users created this week, and it translates that intent into a precise filter string to pull only the matching entries. Broad queries waste tokens and context window space. When you need to audit a specific entry, the agent switches to `get_record` using the exact object and record IDs. It grabs exactly what you need to review, bypassing the clutter of a full table scan.

Execute direct database writes

The `create_record` tool pushes new rows straight into your Knack application using the mapped field keys. If a customer support agent needs to log a new ticket via Claude Web, the agent constructs the JSON payload and commits the write instantly. Modifying existing data works exactly the same way. Calling `update_record` applies partial JSON payloads to change specific fields without overwriting the entire row. When old data needs to go, `delete_record` handles the removal permanently.

Setup guide

Set up Knack MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The Knack MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the Knack MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under knack-mcp.

json

{
  "mcpServers": {
    "knack-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Common questions about Knack MCP in Claude Desktop

Open your `claude_desktop_config.json` file from the Developer settings menu. Add the server command under the `mcpServers` array and restart the application.

Yes. The agent calls `list_object_fields` to see the exact structure of your database. It maps your human-readable column names to the internal Knack field IDs automatically.

You ask for specific data in plain English. The agent converts your request into a valid JSON string and passes it to the `search_records` tool.

The agent requires your confirmation before executing destructive actions. It calls `delete_record` only when you explicitly instruct it to remove a specific record ID.

Your database rows and schema layouts route directly through the local stdio transport. Claude Web custom connectors rely on standard OAuth, keeping the exact field values and JSON payloads encrypted in transit.

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