In-memory vector store with TF-IDF vectorization and cosine similarity search. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.
Vector Search x402 is an MCP project maintained in the br0ski777/vector-search-x402 repository. The maintainer describes its purpose as “In-memory vector store with TF-IDF vectorization and cosine similarity search. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit…”. Read the project documentation for the complete scope.
The maintainer’s configuration uses https://vector-search.api.klymax402.com/mcp. Check the project’s account and authentication instructions when adding the endpoint to your client.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| data_vector_search | |
| documents | array |
| query | string |
| topK | number |
| namespace | string |
{
"mcpServers": {
"vector-search": {
"url": "https://vector-search.api.klymax402.com/mcp"
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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