SQL Server

Automatic JavaScript AI Tool Returning an Object

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Demonstrates an automatic JavaScript tool function that returns an object. Automatic JavaScript tool calls are characterized by:

• Tool function implementations are in JavaScript.
• The JavaScript also provides a tool registry and permissions.
• The JavaScript runs embedded within your application using Chilkat.Js.
• Tool calls are handled entirely within Chilkat. Your application does not need to manually check for function calls in the AI response. Internal to the Ask function, Chilkat will handle function calls by calling your registered JavaScript tools and will send results back to the AI model until the final response is received.

SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- ----------------------------------------------------------------------------------
    -- The Javascript file loaded here is shown at the bottom of this page.
    -- -----------------------------------------------------------------------------------

    -- In this example, we'll load the Javascript tool functions and registry from a file.
    -- It doesn't need to come from a file.  It could just as easily be loaded from a string.
    DECLARE @sbJs int
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbJs OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @sbJs, 'LoadFile', @success OUT, 'qa_data/js_tools/toolset_2.js', 'utf-8'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @sbJs, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @sbJs
        RETURN
      END

    DECLARE @ai int
    EXEC @hr = sp_OACreate 'Chilkat.Ai', @ai OUT

    -- Register the tools that will be made available to the AI.
    DECLARE @evalOnly int
    SELECT @evalOnly = 0
    DECLARE @allowAllKeyword int
    SELECT @allowAllKeyword = 1
    EXEC sp_OAMethod @ai, 'RegisterJsTools', @success OUT, @sbJs, @evalOnly, @allowAllKeyword

    -- The provider can be "openai", "google", "claude", "grok", "mistral", "custom", etc.
    EXEC sp_OASetProperty @ai, 'Provider', 'openai'
    -- Use your provider's API key.
    EXEC sp_OASetProperty @ai, 'ApiKey', 'MY_API_KEY'
    -- Choose a model.
    EXEC sp_OASetProperty @ai, 'Model', 'gpt-5-mini'

    -- Tool function calling must always occur within a conversation.
    DECLARE @conversation_name nvarchar(4000)
    SELECT @conversation_name = 'convo_weather'
    DECLARE @sysMessage nvarchar(4000)
    SELECT @sysMessage = 'You are a helpful weather forecaster'
    DECLARE @devMessage nvarchar(4000)
    SELECT @devMessage = 'Respond only with a weather forecast generated by a tool.'
    EXEC sp_OAMethod @ai, 'NewConvo', @success OUT, @conversation_name, @sysMessage, @devMessage

    -- Provide inputs
    EXEC sp_OAMethod @ai, 'InputAddText', @success OUT, 'What''s the weather in Chicago?'

    -- Send inputs, tool functions, etc. and ask for a "text" response.
    -- If the AI responds with tool calls, Chilkat automatically handles them by calling your JavaScript
    -- tool functions as directed by the AI, and sending results back to the AI until the final
    -- response is received.
    EXEC sp_OAMethod @ai, 'Ask', @success OUT, 'text'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @ai, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @sbJs
        EXEC @hr = sp_OADestroy @ai
        RETURN
      END

    -- Get the AI response.
    DECLARE @sbResponse int
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbResponse OUT

    EXEC sp_OAMethod @ai, 'GetOutputTextSb', @success OUT, @sbResponse
    EXEC sp_OAMethod @sbResponse, 'GetAsString', @sTmp0 OUT
    PRINT @sTmp0

    EXEC @hr = sp_OADestroy @sbJs
    EXEC @hr = sp_OADestroy @ai
    EXEC @hr = sp_OADestroy @sbResponse


END
GO