Low friction
One address and one sign-in connect an agent over MCP, with no provider accounts to open. Already on Tavily or Brave? Swap the base URL and key; keep your code.
The right search for every prompt, in fewer tokens.
One address, one sign-in and one call reach over 20 search providers and over 15 live APIs, with every feature each one offers, and what comes back is one ranked list.
A web search API and MCP server for AI agents. Already on Tavily or Brave? Swap the base URL and key; keep your code.
Search providers22
Search modes141
Specialized APIs20
Fewer tokens than the average provider1.6×
Fewer tokens than pulling three providers4.5 to 4.8×
Why Grounder
The right search for each question
No one provider is best at every kind of question. Grounder reaches all of them, with every feature each one offers, so a search can use the one that fits.
Free up your context window
One Grounder search returns one ranked list, not a list from every provider. The results’ tokens for the same question:
Three providers, one by one14,100 to 15,000
One Grounder search3,100
Measured on 128 questions from SealQA and SimpleQA, the top 10 results of each search as the model receives them, counted with OpenAI’s o200k_base tokenizer; the providers were Tavily, Exa and Brave, and Parallel, Perplexity and Octen. Method and figures
What Grounder gives you
Licensed sources
Grounder returns only licensed results: those no site’s rules or robots.txt block for the provider that found them.
One key, over 20 providers
Each result says which provider found it.
- Tavily
- Exa
- Brave
- Perplexity
- You.com
- Firecrawl
- Octen
- Parallel
- Valyu
- Wikimedia
- Linkup
- Dappier
- Gemini
- Tako
- Wolfram
- Mojeek
- Perigon
- xAI
- Mistral
- Context7
- NewsAPI.ai
- TinyFish
Live answers
For a question about right now, Grounder also asks the specialized API that holds the answer.
- Polymarket
- Kalshi
- The Odds API
- ESPN
- MLB
- OpenF1
- X
- YouTube
- Bluesky
- Truth Social
- Coinbase
- Finnhub
- Yahoo Finance
- FlightAware
- Transitland
- Queue-Times.com
- USGS
- National Weather Service
- Federal Reserve
- Status pages
Web search (general), page text, deep research, company info, company search, financial reports, news, people search, personal sites, academic papers, page summaries.
Features11
Modes17
Web search (general), news, page text, deep research, developer resources, software docs, legal documents, image search, page summaries, pdf documents.
Features10
Modes12
Web search (general), page text, news, company info, deep research, image search, places.
Features7
Modes9
Claude
Claude and Claude Desktop take Grounder as a custom connector: name it grounder, paste the address and sign in.
Chat appsConnects withCustom connector
ChatGPT
ChatGPT on the web takes Grounder as a custom MCP server: name it grounder, paste the address, choose OAuth and sign in.
Chat appsConnects withCustom MCP server
Claude Code
Claude Code adds Grounder with one command, then signs in from /mcp.
TerminalConnects with
claude mcp addMCP
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Pick your client: a chat app, a terminal agent or an editor. Each needs only the address,
https://api.grounder.net/mcp. There’s no key to copy.https://api.grounder.net/mcp -
When Grounder’s screen opens, sign in with Google, GitHub or Apple and allow it.
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Your agent’s searches are routed from the next prompt. Any other MCP client takes the same address and signs in the same way, and code calls the HTTP API with a key from your account.
API
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Make a search key under Search keys on your account. It searches as your account does, with the same features, providers and routing settings as MCP.
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Send every request to the base URL,
https://api.grounder.net, with your key asAuthorization: Bearer $GROUNDER_KEY.https://api.grounder.net -
Search with
POST /v1/search. Every result is licensed and marked with the provider that found it. Already on Tavily or Brave? Swap the base URL and key; keep your code.