Enable AI Agents to purchase anything in a secure way using Fewsats
Fewsats MCP server is a locally run integration for AI assistants that speak the Model Context Protocol. Enable AI Agents to purchase anything in a secure way using Fewsats.
This MCP server integrates with Fewsats and allows AI Agents to purchase anything in a secure way.
Once Fewsats is connected, these are the calls the assistant has available:
Input — NoneReturns — Current wallet balance informationoffers — Array of offer objects with ID, amount, currency, description, titlepayment_context_token — Payment context token stringpayment_request_url — URL for payment requestversion — API version stringTools — 1. balance - Retrieve the balance of the user's wallet - Input: None - Returns: Current wallet balance informationYou will need 2 environment variables: FEWSATS_API_KEY, YOUR_FEWSATS_API_KEY. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.
fewsats-mcp on PyPI is all you need. Most clients run it directly, so configuration is a few lines and a restart.
Among the payments and commerce options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Fewsats's toolset — Input, Returns, offers and 4 more — is a fair guide to whether it matches your workflow.
SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.
| Tool | What it does |
|---|---|
| Input | None |
| Returns | Current wallet balance information |
| offers | Array of offer objects with ID, amount, currency, description, title |
| payment_context_token | Payment context token string |
| payment_request_url | URL for payment request |
| version | API version string |
| Tools | 1. balance - Retrieve the balance of the user's wallet - Input: None - Returns: Current wallet balance information |
{
"mcpServers": {
"fewsats": {
"command": "uvx",
"args": ["fewsats-mcp"],
"env": {
"FEWSATS_API_KEY": "your-value",
"YOUR_FEWSATS_API_KEY": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| FEWSATS_API_KEY | Credential the server authenticates with. | Yes |
| YOUR_FEWSATS_API_KEY | Credential the server authenticates with. | Yes |
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