Context7
Feeds AI the latest docs for libraries and frameworks before it answers, so code it writes does not use outdated, removed functions.
Description from the maker (original English)
Pay-per-call web search from $0.004, cited answers, crawl, research, SEO and leads via x402.
These three are never merged into one score: opinions, measurements and popularity are different things.
We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
Pick the AI app you use, then copy the settings.
X-Trial, X-PAYMENTValues marked secret are keys to your account. Never share them or paste them into a chat.
You need
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This address needs a key in a request header, which the add-connector menu cannot set. Use Claude Code, Cursor or VS Code instead.
Run this in your terminal
claude mcp add --transport http search https://x402serps.com/api/mcp --header 'X-Trial: your-value' --header 'X-PAYMENT: your-value'Fill in the empty values before running it.
Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"search": {
"url": "https://x402serps.com/api/mcp",
"headers": {
"X-Trial": "your-value",
"X-PAYMENT": "your-value"
}
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
Paste into .vscode/mcp.json in your project
{
"servers": {
"search": {
"type": "http",
"url": "https://x402serps.com/api/mcp",
"headers": {
"X-Trial": "your-value",
"X-PAYMENT": "your-value"
}
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
This address needs a key in a request header, which the add-connector menu cannot set. Use Claude Code, Cursor or VS Code instead.
Your choice stays on this device in a cookie; no account needed.
X-Trial HTTP headerX-PAYMENT secret HTTP headerThese settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.
web_searchPaid web search via x402 ($0.004 USDC on base). Pass an x402 payment in the X-PAYMENT header of the MCP request, or send header X-Trial: 1 for free trial calls (25 per network). Free tier: up to 20 calls a day with no payment or key (10 results per call). Supports freshness (hour
news_searchPaid News search via x402 ($0.004 USDC on base). Pass an x402 payment in the X-PAYMENT header. Supports freshness (hour/day/week/month/year), dateFrom/dateTo, page and num up to 100.
extractFetch a public URL and return clean markdown via x402 ($0.003 USDC on base). Pass an x402 payment in the X-PAYMENT header. Pass urls (up to 20) instead of url to fetch several pages in parallel, charged per URL. Free tier: up to 20 calls a day (shared with web_search) for a singl
search_extractWeb search plus clean markdown of the top N results (1-5) via x402 ($0.02 USDC on base). Pass an x402 payment in the X-PAYMENT header.
batch_searchUp to 25 Web searches in one call via x402 ($0.08 USDC on base). Pass an x402 payment in the X-PAYMENT header.
image_searchImage results (title, page url, imageUrl, thumbnail, size) for one query, up to 20. Paid via x402 ($0.004 USDC on Base or Solana); send X-PAYMENT, or X-Trial: 1 for free trial calls.
places_searchMaps/places results (name, address, rating, phone, website, lat/lng) for one query, up to 20. Paid via x402 ($0.004 USDC on Base or Solana); send X-PAYMENT, or X-Trial: 1 for free trial calls.
shopping_searchShopping product results (title, price, store, rating, url, image) for one query, up to 20. Paid via x402 ($0.004 USDC on Base or Solana); send X-PAYMENT, or X-Trial: 1 for free trial calls.
scholar_searchScholar results (title, url, snippet, publication, year, citations, pdf) for one query, up to 20. Paid via x402 ($0.004 USDC on Base or Solana); send X-PAYMENT, or X-Trial: 1 for free trial calls.
video_searchVideo results (title, url, channel, duration, date, thumbnail) for one query, up to 20. Paid via x402 ($0.004 USDC on Base or Solana); send X-PAYMENT, or X-Trial: 1 for free trial calls.
deep_researchSearch the web, read the top 3-8 pages in parallel and return a concise cited brief with source excerpts. Paid via x402 ($0.08 USDC on Base or Solana); send X-PAYMENT. Not in the free trial. Set answer: true for an LLM-written cited answer.
ai_visibility_checkFor 1-10 keywords, report where a brand/domain ranks in search results plus AI Overview, answer box, People Also Ask and knowledge graph presence, top competitors and a 0-100 score. Paid via x402 ($0.10 USDC flat on Base or Solana); send X-PAYMENT. Not in the free trial.
competitor_reportcompetitor report — for a domain and 1-8 keywords: search rankings, ads/advertisers, SERP features, share of voice, top competitors with their top pages, and the domain's own top pages. Paid via x402 ($0.30 USDC on Base or Solana; send X-PAYMENT) or a prepaid credit key (Authoriz
lead_finderlocal lead finder — Maps/places businesses for a query and location (up to 20) enriched with business contact details (role emails such as info@/sales@, business phones, social links; personal-looking emails dropped; opt-outs honoured) extracted from each business website and con
seo_auditSEO audit — a domain's search-indexed pages, title/meta description/h1/canonical/noindex/alt checks on up to 8 top pages, robots.txt and sitemap, brand-query ranking and a 0-100 score. Paid via x402 ($0.20 USDC on Base or Solana; send X-PAYMENT) or a prepaid credit key (Authoriza
news_digestnews digest — News for 1-5 topics, deduplicated, with top sources per topic and a compact text digest; optional since=hour|day|week|month. Paid via x402 ($0.05 USDC on Base or Solana; send X-PAYMENT) or a prepaid credit key (Authorization: Bearer xs_...). Not in the free trial.
answercited answer — web search, read the top pages, and return a short answer with numbered citations (currently uses extractive summaries). Paid via x402 ($0.02 USDC on Base or Solana; send X-PAYMENT) or a prepaid credit key (Authorization: Bearer xs_...). Not in the free trial.
crawl_sitecrawl a website — breadth-first from a start URL on the same host, returning clean markdown for up to 50 pages; priced per page of the requested limit. Paid via x402 ($0.002 USDC on Base or Solana; send X-PAYMENT) or a prepaid credit key (Authorization: Bearer xs_...). Not in the
map_sitemap a website — discover up to 1000 URLs on a domain from robots.txt sitemaps and on-page links (flat price). Paid via x402 ($0.002 USDC on Base or Solana; send X-PAYMENT) or a prepaid credit key (Authorization: Bearer xs_...). Not in the free trial.
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026
The registry lists no source repo, so we cannot match the publisher (x402serps.com) to the code
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
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Read 19 tool descriptions and found no hidden instructions to the AI
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 2 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
You need to fill in: X-PAYMENT
It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
The GitHub repo last changed –, and the latest version (1.3.1) reached the registry 3 days ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.
In the same category: Context7, Codebase Memory, Exa
Servers in the same category from other makers, sorted by stars.
Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
Feeds AI the latest docs for libraries and frameworks before it answers, so code it writes does not use outdated, removed functions.
Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.
Connect AI agents to Exa for web search, content fetching, and multi-step research.
No README found in the repo