Now use NS MCP Tools directly in ChatGPT (Plus license) 🙂 Tags: ns-mcp-tools, part-9

Is setup generally the same as Claude? or did you have to do anything "hacky" to make it work?

Just enable

Developer mode

in ChatGPT under

Profile (Your Name) -> Settings -> Connectors -> Advanced settings

.

Worked for me. It created a ChatGPT specific integration record

Now you can also create Integration record with NS AI scope but it will only work with Authorization Code and not Client Credentials grant.

Can you share how you were able to get your custom tool to be available in chatGPT?

If you are using ChatGPT, defining which schema properties are nullable is required. The following sample is the JSON schema definition for the custom tools when using ChatGPT.

{
  "tools": [
    {
      "name": "add",
      "description": "Add two numbers together",
      "inputSchema": {
        "type": "object",
        "properties": {
          "a": {
            "type": "number",
            "description": "First addend"
          },
          "b": {
            "type": "number",
            "description": "Second addend"
          }
        },
        "required": [
          "a",
          "b"
        ],
        "nullable": []
      },
      "outputSchema": {
        "type": "object",
        "properties": {
          "result": {
            "type": "number",
            "description": "Value of adding the two input numbers"
          },
          "error": {
            "type": "string",
            "description": "Error message if execution fails"
          }
        },
        "required": [
          "result"
        ],
        "nullable": [
          "error"
        ]
      },
      "annotations": {
        "title": "Add Numbers",
        "readOnlyHint": true,
        "idempotentHint": true,
        "openWorldHint": false
      }
    }
  ]
}