Steward's x402 pay-per-call rail as MCP tools. Any MCP-compatible agent (Claude, Cursor, Windsurf, MCP-aware frameworks) gets Steward's catalog natively in its tool list — each paid call settles…
steward-mcp is an MCP project maintained in the brianbooms/steward-mcp repository. The maintainer describes its purpose as “Steward's x402 pay-per-call rail as MCP tools. Any MCP-compatible agent (Claude, Cursor, Windsurf, MCP-aware frameworks) gets Steward's catalog natively in its tool list — each…”. Read the project documentation for the complete scope.
The project provides a local client configuration using node. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.
The example declares STEWARD_PAYER_KEY, STEWARD_MAX_SPEND_USDC, STEWARD_MAX_SPEND_DAY_USDC. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
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 |
|---|---|
| steward_weather | Current weather + 7-day forecast for lat/lon |
| steward_joke | One clean original joke |
| steward_fortune | One warm original fortune + lucky number |
| steward_fx | Fiat currency conversion at reference rates |
| steward_time | Current local time in any IANA time zone |
| steward_wiki | Concise Wikipedia summary for a topic |
| steward_iss_pass | Upcoming visible ISS flyovers for lat/lon |
| steward_audio_match | Match an emotion/moment to a Brian Booms track |
| steward_audio_rest | Wind-down audio lane |
| steward_audio_focus | Focus audio lane |
| steward_sleep_tip | One genuine sleep-hygiene tip (no medical claims) |
| trust_verify_status | Is a domain Steward Verified? Status + method + expiry |
| trust_agent_attestation | Attestation signals for an agent wallet/identifier |
| trust_screen | Pre-payment counterparty screen (approve/review/decline, advisory) |
| steward_catalog | Live purchase catalog: sku, name, USD price (29 products) |
| steward_product | Full details for one SKU: description, price, delivery, buy URL |
| steward_purchase_instructions | Exact x402 payment requirements parsed live from the product's 402 |
| steward_rewards | How Booms Rewards works (buyers + merchants + agent enrollment) |
| steward_payment_format | Byte-exact X-PAYMENT header construction guide |
| steward_cheapest_route | Cheapest of 6 crypto transfer routes for an amount (live fees) |
| steward_route_fees | Full ranked fee table for all 6 routes |
| steward_receipts | Public per-wallet receipts — every cent, in the open |
| steward_verifier_pubkey | Steward Verified issuer Ed25519 public key — verify record signatures offline |
| steward_directory | Steward Standard 57-merchant directory, merit-ranked (ranking never for sale) |
| steward_spend_today | This server's local spend meter (free, local) |
{
"mcpServers": {
"steward": {
"command": "node",
"args": [
"/absolute/path/to/steward-mcp/dist/index.js"
],
"env": {
"STEWARD_PAYER_KEY": "YOUR_STEWARD_PAYER_KEY",
"STEWARD_MAX_SPEND_USDC": "0.05",
"STEWARD_MAX_SPEND_DAY_USDC": "5.00"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| STEWARD_PAYER_KEY | Declared in the maintainer’s client configuration. | Yes |
| STEWARD_MAX_SPEND_USDC | Declared in the maintainer’s client configuration. | Optional |
| STEWARD_MAX_SPEND_DAY_USDC | Declared in the maintainer’s client configuration. | Optional |
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