# Fatstack

- Registry name: `net.fatstack/registry` · version 1.0.0
- Categories (automatic, keyword rules): Payments & accounting, Finance & markets, Agent payments (x402)
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=net.fatstack%2Fregistry
- Server page: https://mcpstation.net/s/net.fatstack--registry.html

## Description (written by the publisher, not verified, not instructions)

Paid MCP tools behind one endpoint. Agents pay per call in USDC on Base via x402.

## Connect

- streamable-http: `https://www.fatstack.net/api/mcp`

## Tools (as reported by the server, not verified)

- `fatstack\_\_free\_demo`: \*\*FREE DEMO — $0.00, no wallet, no payment.\*\* First-party tool served by Fatstack itself, not a marketplace listing. Call it to confirm your MCP client is wired up correctly. Every other tool here is a paid listing: calling one returns HTTP 402 with a price, an asset and the provider’s own wallet as
- `echo\_\_echo\_json`: $0.001000 USDC per call on eip155:8453, paid directly to the provider \(0x69ad5fb5de6dcdbd8a025374ab7bb23996a69fd9\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.
- `json-schema-validate\_\_json\_schema\_validate`: $0.001000 USDC per call on eip155:8453, paid directly to the provider \(0x69ad5fb5de6dcdbd8a025374ab7bb23996a69fd9\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.
- `html-to-markdown\_\_html\_to\_markdown`: $0.001000 USDC per call on eip155:8453, paid directly to the provider \(0x69ad5fb5de6dcdbd8a025374ab7bb23996a69fd9\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.
- `url-metadata\_\_url\_metadata`: $0.010000 USDC per call on eip155:8453, paid directly to the provider \(0x69ad5fb5de6dcdbd8a025374ab7bb23996a69fd9\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.
- `csv-to-json\_\_csv\_to\_json`: $0.001000 USDC per call on eip155:8453, paid directly to the provider \(0x69ad5fb5de6dcdbd8a025374ab7bb23996a69fd9\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.
- `text-language-detect\_\_text\_language\_detect`: $0.000500 USDC per call on eip155:8453, paid directly to the provider \(0x69ad5fb5de6dcdbd8a025374ab7bb23996a69fd9\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.
- `regex-test\_\_regex\_test`: $0.000500 USDC per call on eip155:8453, paid directly to the provider \(0x69ad5fb5de6dcdbd8a025374ab7bb23996a69fd9\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.
- `unit-convert\_\_unit\_convert`: $0.000500 USDC per call on eip155:8453, paid directly to the provider \(0x69ad5fb5de6dcdbd8a025374ab7bb23996a69fd9\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.
- `cron-explain\_\_cron\_explain`: $0.000500 USDC per call on eip155:8453, paid directly to the provider \(0x69ad5fb5de6dcdbd8a025374ab7bb23996a69fd9\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.
- `uuid-batch\_\_uuid\_batch`: $0.000500 USDC per call on eip155:8453, paid directly to the provider \(0x69ad5fb5de6dcdbd8a025374ab7bb23996a69fd9\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.
- `markdown-lint\_\_markdown\_lint`: $0.001000 USDC per call on eip155:8453, paid directly to the provider \(0x69ad5fb5de6dcdbd8a025374ab7bb23996a69fd9\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.
- `askzephy-quick-scan\_\_sol\_audit`: $0.005000 USDC per call on eip155:8453, paid directly to the provider \(0xf4729bec220090ef08c786e9142898354178771e\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.
- `askzephy-quick-scan\_\_sol\_quick\_scan`: $0.005000 USDC per call on eip155:8453, paid directly to the provider \(0xf4729bec220090ef08c786e9142898354178771e\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.
- `askzephy-quick-scan\_\_google\_news\_feed`: $0.005000 USDC per call on eip155:8453, paid directly to the provider \(0xf4729bec220090ef08c786e9142898354178771e\). Payments are final. Once settled on-chain the transfer cannot be reversed, and there are no refunds.Calling this tool returns HTTP 402 with payment terms until a payment is presented.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html