Auths Market

Sell tool calls. Buy them bounded.

Paid MCP endpoints with proven prices. Sellers meter per call over Stripe or on-chain USDC; buying agents pay under a hard budget; every cent re-derives from signed receipts.

a bounded buyer, metered per calltest-mode

# wrap any listed endpoint with your own budget

$ npx -y @auths-dev/mcp wrap --scope paid.call --budget '$1' --rail x402 --test-mode -- <listed endpoint>

search $0.03 → allowed · spent $0.03 / $1.00

search $1.40 → usage-cap-exceeded · refused

# the refusal happens at YOUR gateway — the seller is never invoked

Verified endpoints

x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified proven live receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified receipts invalid
x402
x402 paid call (merchant e2e)$0.03/call

Settles an x402 test-mode payment per call; listed by an autonomous agent in the merchant-loop e2e.

verified receipts invalid
x402
Demo echo (seed fixture)$0.03/call

A seed-data listing for development. Echoes its input back, metered at three cents a call on the x402 test rail. Replaced by real probed listings before launch.

verified receipts invalid
x402

Verified means our prober was the listing's first test-mode customer: it listed the tools, made a bounded call, and re-derived the price from the seller's own signed receipts.