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feat: add Tavily as a search provider alongside Serper, Brave, Google #95

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feat: add Tavily as a search provider alongside Serper, Brave, Google #95

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2 changes: 2 additions & 0 deletions .env.example
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,8 @@ OPENAI_API_KEY=APIKEYGOESHERE
SERPER_API=APIKEYGOESHERE
# Brave Search API Key (Serper is the default, brave is an alternative option for search)
BRAVE_SEARCH_API_KEY=APIKEYGOESHERE
# OPTIONAL - Tavily Search API Key (alternative search provider)
TAVILY_API_KEY=APIKEYGOESHERE


# OPTIONAL - Set LAN GPU server, examples:
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2 changes: 1 addition & 1 deletion app/config.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@
export const config = {
useOllamaInference: false,
useOllamaEmbeddings: false,
searchProvider: 'serper', // 'serper', 'google' // 'serper' is the default
searchProvider: 'serper', // 'serper', 'google', 'brave', 'tavily' // 'serper' is the default
inferenceModel: 'llama-3.1-70b-versatile', // Groq: 'mixtral-8x7b-32768', 'gemma-7b-it' // OpenAI: 'gpt-3.5-turbo', 'gpt-4' // Ollama 'mistral', 'llama3' etc
inferenceAPIKey: process.env.GROQ_API_KEY, // Groq: process.env.GROQ_API_KEY // OpenAI: process.env.OPENAI_API_KEY // Ollama: 'ollama' is the default
embeddingsModel: 'text-embedding-3-small', // Ollama: 'llama2', 'nomic-embed-text' // OpenAI 'text-embedding-3-small', 'text-embedding-3-large'
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19 changes: 19 additions & 0 deletions app/tools/searchProviders.tsx
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
"use server";
import { SearchResult } from '@/components/answer/SearchResultsComponent';
import { config } from '../config';
import { tavily } from '@tavily/core';

export async function getSearchResults(userMessage: string): Promise<any> {
switch (config.searchProvider) {
Expand All @@ -10,6 +11,8 @@ export async function getSearchResults(userMessage: string): Promise<any> {
return serperSearch(userMessage);
case "google":
return googleSearch(userMessage);
case "tavily":
return tavilySearch(userMessage);
default:
return Promise.reject(new Error(`Unsupported search provider: ${config.searchProvider}`));
}
Expand Down Expand Up @@ -100,6 +103,22 @@ export async function serperSearch(message: string, numberOfPagesToScan = config
}
}

export async function tavilySearch(message: string, numberOfPagesToScan = config.numberOfPagesToScan): Promise<SearchResult[]> {
try {
const tvly = tavily({ apiKey: process.env.TAVILY_API_KEY as string });
const response = await tvly.search(message, { maxResults: numberOfPagesToScan });
const final = response.results.map((result: any): SearchResult => ({
title: result.title,
link: result.url,
favicon: `https://www.google.com/s2/favicons?domain=${new URL(result.url).hostname}&sz=128`

@devin-ai-integration devin-ai-integration Bot Jul 14, 2026

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🟡 A single malformed search result URL crashes the entire search instead of gracefully skipping it

A URL is parsed with a throwing constructor (new URL(result.url) at app/tools/searchProviders.tsx:113) inside a .map() over all results, so one malformed URL from the search API causes every valid result to be discarded and the search to fail entirely.

Impact: Users see a complete search failure instead of results whenever the upstream API returns even one result with an unusual or malformed URL.

Mechanism: new URL() throws inside .map(), aborting the entire transformation

The tavilySearch function at app/tools/searchProviders.tsx:106-120 maps over response.results and calls new URL(result.url).hostname to construct a favicon URL. The new URL() constructor throws a TypeError for malformed URLs. Because this is inside .map(), a single bad URL aborts the entire mapping. The error propagates to the catch block at line 116-118, which re-throws, causing the whole search operation to fail.

Other search providers (brave, google, serper) don't have this risk because they don't parse URLs with new URL(). A safer approach would be to wrap the new URL() call in a try/catch or use a fallback for the favicon.

Suggested change
favicon: `https://www.google.com/s2/favicons?domain=${new URL(result.url).hostname}&sz=128`
favicon: (() => { try { return `https://www.google.com/s2/favicons?domain=${new URL(result.url).hostname}&sz=128`; } catch { return ''; } })()
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}));
return final;
} catch (error) {
console.error('Error fetching search results:', error);
throw error;
}
}

export async function getImages(message: string): Promise<{ title: string; link: string }[]> {
const url = 'https://google.serper.dev/images';
const data = JSON.stringify({
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1 change: 1 addition & 0 deletions package.json
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Expand Up @@ -15,6 +15,7 @@
"@langchain/community": "latest",
"@langchain/openai": "^0.0.25",
"@phosphor-icons/react": "^2.1.5",
"@tavily/core": "^0.6.1",
"@radix-ui/react-dialog": "^1.0.5",
"@radix-ui/react-icons": "^1.3.0",
"@radix-ui/react-label": "^2.0.2",
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