@vapi-ai/mcp-server/dist/utils/response.js

Vapi MCP Server

export function parseToolResponse(response) {
    // If no response or it's a primitive, return as is
    if (!response || typeof response !== 'object')
        return response;
    // Check for content array with text items
    if (response.content && Array.isArray(response.content)) {
        const textContent = response.content.find((item) => item.type === 'text')?.text;
        if (textContent) {
            // Check if it's an error message first - only if it starts with 'Error:'
            if (textContent.startsWith('Error:')) {
                return { error: textContent };
            }
            try {
                return JSON.parse(textContent);
            }
            catch (e) {
                // Don't warn on expected error messages
                if (!textContent.startsWith('Error:')) {
                    console.warn('Failed to parse text content as JSON:', e);
                }
                return textContent;
            }
        }
    }
    return response;
}