Web search APIs for AI agents (2026)

Search APIs and engines built for agents and LLM apps, returning clean results a model can use directly. Here are all 17 from the AgentScout directory.

Updated October 20, 2026

How we picked and ranked: tools are matched by category, the pricing each maker states and what each tool says it does. They are ranked by GitHub stars as recorded on each listing (link checks 2026-10-21); tools without a tracked repo follow, by listing maturity. No paid placements.

1. 

   1. xerj

   memory & RAGOpen source★ 11,507 GitHub stars

   A local-first search engine and MCP server for agents: one Rust binary indexes code, docs, logs, CSV/JSONL and PDFs for full-text, vector and hybrid search plus agent memory, behind an Elasticsearch-compatible API.

   Pricing (as stated): Free Community edition (Apache-2.0); paid Professional and Enterprise support. · Mature

2. 

   2. Wigolo

   MCP serversOpen source★ 5,479 GitHub stars

   Local-first web search, fetch and crawl for coding agents over MCP, with no API keys.

   Pricing (as stated): Open source · Mature

3. 

   3. Bright Data MCP

   MCP serversOpen source + cloud★ 2,678 GitHub stars

   Bright Data's MCP server for web search, scraping and browsing.

   Pricing (as stated): Open source + cloud · Active

4. 

   4. AnySearch

   MCP serversFreemium★ 2,029 GitHub stars

   A search MCP server and API for AI agents, covering real-time web search, vertical search and parallel batch queries with structured results and anonymous access.

   Pricing (as stated): Freemium · Active

5. 

   5. MemFree

   researchOpen source + cloud★ 1,515 GitHub stars

   Hybrid AI search engine that answers from your knowledge base and the web, and generates UI pages.

   Pricing (as stated): Open source + cloud · Active

6. 

   6. Brave Search MCP

   MCP serversOpen source★ 1,504 GitHub stars

   Brave's official MCP server for web, image, video, news and local search through the Brave Search API.

   Pricing (as stated): Open source · Active

7. 

   7. SearXNG MCP

   MCP serversOpen source★ 1,312 GitHub stars

   MCP server for private web search through SearXNG.

   Pricing (as stated): Open source · Active

8. 

   8. XCrawl

   agent infraFreemium★ 450 GitHub stars

   XCrawl is a web scraping, crawling and SERP API that returns clean JSON, Markdown or screenshots in one request, with agent skills for plugging it into AI agents; free trial with no card.

   Pricing (as stated): Free trial, no card; paid credits · Active

9. 

   9. Linkup MCP

   MCP serversOpen source★ 29 GitHub stars

   Linkup's MCP server for real-time, source-backed web search.

   Pricing (as stated): Open source · Active

10. 

    10. Parallel Search MCP

    MCP serversFreemium★ 26 GitHub stars

    Parallel's MCP servers for web search and deep-research tasks built for AI agents.

    Pricing (as stated): Pay-as-you-go per request with a $5 free monthly allowance · Active

11. 

    11. Exa

    researchFreemium

    Search API built for AI agents.

    Pricing (as stated): Paid API with free credits · Mature

12. 

    12. AgentKey

    MCP serversPaid

    One MCP install that gives AI agents live web search, X, Reddit and YouTube data, web page reading and market and token-price data, all paid from a single monthly credit subscription.

    Pricing (as stated): Lite, Pro and Max monthly credit plans, with extra credit top-ups. · Active

13. 

    13. Consensus

    researchFreemium

    AI academic search engine over peer-reviewed literature for finding, organizing and analyzing scientific research.

    Pricing (as stated): Free plan; Pro $12/mo; Deep and team plans · Active

14. 

    14. Extruct AI

    researchFreemium

    Company research API for AI that finds and researches companies from a 10M-company index or the live web, with sources.

    Pricing (as stated): Free (25 credits/mo); Starter $49/mo; Pro $149/mo · Active

15. 

    15. FlexQueries

    MCP serversPaid

    FlexQueries is a hosted MCP server and REST API for SEO and AI-visibility research (keywords, SERPs, backlinks, competitors, rankings, site audits) that connects to Claude, ChatGPT, Cursor and Codex over OAuth, billed with prepaid credits that never expire.

    Pricing (as stated): Prepaid credits, no subscription or seat fees; credits never expire · Active

16. 

    16. SE Ranking MCP

    MCP serversPaid

    SE Ranking's MCP server for keyword, backlink, SERP, audit, rank-tracking and AI search visibility data.

    Pricing (as stated): Requires SE Ranking: Core from $103.20/mo (annual); 14-day trial · Active

17. 

    17. Serpstat MCP

    MCP serversPaid

    Serpstat's MCP server for automating SEO tasks such as keyword research, competitor analysis and audits.

    Pricing (as stated): Individual $50/mo billed yearly ($600/yr); free trial · Active

FAQ

What are the best web search APIs for AI agents?

Ranked by tracked GitHub stars, the top web search APIs for AI agents in our directory are xerj, Wigolo, Bright Data MCP, AnySearch, MemFree. Stars measure popularity, not fit, so compare a few against your own task.

How many web search APIs for AI agents does AgentScout list?

17 tools match. This page shows the top 17. Pricing mix on this page: Freemium (6), Open source (5), Paid (4), Open source + cloud (2).

How much do these tools cost?

Pricing is what each maker states on their site. Open-source tools are free to self-host but may need a paid model API key or offer paid cloud plans; freemium tools have a free plan with limits. Check each official site.

Where can I see every tool for web search for agents?

Our task page lists all 17 tools we match to web search for agents.

Related: All tools for web search for agents · MCP servers (11) · research (4) · agent infra (1) · memory & RAG (1)

Similar searches: Web search MCP servers for AI agents

By role: For researchers

All popular searches · AI agents by role · Free tools

Best-of lists: MCP servers that work with Claude Code · All best lists

Related categories: MCP servers · Research

Facts come from our directory listings; pricing is as each maker states it and can change. Check official sites before you choose.