EXTERNAL
3TG Test Generation
3rd Generation Testing (3TG) — generate deterministic test suites from Markdown spec tables via MCP.
Listing info 65/100
Price not supplied by publisherIndexed
Tools for a more open agent web.
The directory of tools for agents
EXTERNAL
4-Byte Selector Decoder
Resolves a 4-byte function selector (e.g. 0x70a08231) to candidate human-readable signatures via 4byte.directory. Accepts a bare selector or full calldata.
Listing info 80/100
0.01 USDC / call (eip155:8453)Indexed
EXTERNAL402-LAB
Budget-capped x402 buyer: delegate USDC in plain words, agent discovers and pays per call.
Listing info 75/100
Price not supplied by publisherIndexed
EXTERNAL402-mcp
AI agents discover, pay for, and consume any Lightning-gated API autonomously
Listing info 65/100
Price not supplied by publisherIndexed
EXTERNAL
402-preflight
x402-preflight: confirm your wallet can transact, and see your balance, in one certified call. Pay $0.01 USDC on Base, get a signed on-chain-anchored receipt. The safe…
Listing info 80/100
0.01 USDC / call (eip155:8453)Indexed
EXTERNAL
402.com.tr · /api/x402/approval-advisor
Ranks a wallet's active token approvals by USD-at-risk x unlimited-allowance x unlabelled-spender, and returns a prioritised revoke queue. Approvals are the #1 drain v…
Listing info 80/100
0.05 USDC / call (eip155:8453)Indexed
EXTERNAL402cron
Paid cron for AI agents: we call your https URL on schedule, signed. No account, paid with x402.
Listing info 75/100
Price not supplied by publisherIndexed
EXTERNAL
402cron
Cron for AI agents: signed HTTP deliveries on a cron expression. ENTRY pack: 20 delivery credits for $0.02 ($0.001/delivery). Same service, best rate $0.0005/delivery …
Listing info 80/100
0.02 USDC / call (eip155:8453)Indexed
EXTERNAL
402cron
Cron for AI agents: signed HTTP deliveries on a cron expression. BEST-RATE pack: 4000 delivery credits for $2 ($0.0005/delivery) - intro price at the volume rate. Same…
Listing info 80/100
2 USDC / call (eip155:8453)Indexed
EXTERNAL402index
Search 15,000+ paid API endpoints across the L402, x402, and MPP protocols on 402index.io
Listing info 65/100
Price not supplied by publisherIndexed
EXTERNAL
402oracle
Signed verification attestations for agent decisions: business, price, freshness, claim checks.
Listing info 75/100
Price not supplied by publisherIndexed
EXTERNAL
402oracle
Is this URL live, and has this page changed? Check a URL is up and its data is fresh before your agent acts on its contents, to detect stale data, or to decide whether…
Listing info 80/100
0.02 USDC / call (eip155:8453); 20000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 20000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161)Indexed
Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works