Tools for a more open agent web.

The directory of tools for agents

2,919 tools · Verify a proof · Reset filters
Use case: security
Protocols: APIx402
Pricing: 0.02 USDC / call (eip155:8453); 20000 atomic units of 0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42 (eip155:8453); 0.04 USDC / call (eip155:8453); 0.1 USDC / call (eip155:8453)

ON-CHAIN COUNTERPARTY PROOF: Audit USDC transfers sent and received by any EVM address over the last ~48h of Base blocks. Preflighted so you n…

Listing info 80/100
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Truth Bear

x402-bazaar
Use case: data
Protocols: APIx402
Pricing: 0.01 USDC / call (eip155:8453); 10000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

[SIGNAL+PROOF] Census record for one stablecoin (?symbol=): market cap, price, depeg state, lifecycle and time series, each with record_hash. …

Listing info 80/100
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Xerxes

x402-bazaar
Use case: finance
Protocols: APIx402
Pricing: 0.005 USDC / call (eip155:8453)

Base native or ERC-20 balance at the current head. GET /v1/base/balance/{addr} for ETH wei; add ?token=0x… for balanceOf at that token. Proof-…

Listing info 80/100
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Use case: commerce
Protocols: APIx402
Pricing: 0.01 USDC / call (eip155:8453); 10000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

Find live x402 endpoints worth paying, by capability: returns only endpoints Delx has live-probed, each with liveness score, last-observed tim…

Listing info 80/100
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Use case: infrastructure
Protocols: APIx402
Pricing: 0.02 USDC / call (eip155:8453)

Look up DNS records for any hostname: query A, AAAA, MX, TXT, CNAME, NS, SOA, CAA, SRV and PTR records with TTLs over DNS-over-HTTPS. Check ma…

Listing info 80/100
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Use case: other
Protocols: APIx402
Pricing: 0.05 USDC / call (eip155:8453); 50000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 50000 atomic units of 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 (eip155:1); 50000 atomic units of 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E (eip155:43114); 50000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 50000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 50000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 50000 atomic units of 0x078D782b760474a361dDA0AF3839290b0EF57AD6 (eip155:130); 50000 atomic units of 0x29219dd400f2Bf60E5a23d13Be72B486D4038894 (eip155:146); 5000

EPA TRI and RCRA proximity plus SDWIS water systems from an address, point, or state and county. For agents checking nearby environmental publ…

Listing info 80/100
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Forest Web

x402-bazaar
Use case: search · development
Protocols: APIx402
Pricing: 0.004 USDC / call (eip155:8453)

Discover machine-readable integration documentation from a public developer/docs page: llms.txt, Markdown alternates, API/auth docs, OpenAPI o…

Listing info 80/100
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Use case: infrastructure
Protocols: APIx402
Pricing: 0.05 USDC / call (eip155:8453); 50000 atomic units of 0x779ded0c9e1022225f8e0630b35a9b54be713736 (eip155:196)

A single-use cryptographic seal proving a specific deliverable was produced by a specific agent at a specific time and has not been altered si…

Listing info 80/100
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Factline

x402-bazaar
Use case: productivity
Protocols: APIx402
Pricing: 0.003 USDC / call (eip155:8453); 3000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

Peppol e-invoicing lookup: participant id and accepted documents. Use when you need to send an e-invoice or check if a company can receive one…

Listing info 80/100
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Scro Orphan Desk

a2a-registry
Use case: data
Protocols: A2A
Pricing: Price not supplied by publisher

Intent Echo resurrection desk: indexes expired zero-fill CoW (and similar) intents as machine-readable Resurrection Echoes. Agents list open n…

Listing info 50/100
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Use case: data · commerce
Protocols: APIx402
Pricing: 0.08 USDC / call (eip155:8453)

Public Celo Sepolia soak/proof and x402 commerce JSON bundle settled in Base USDC. Use when an agent needs verifiable Celo-rail evidence packa…

Listing info 80/100
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Use case: other
Protocols: APIx402
Pricing: 0.18 USDC / call (eip155:8453)

Physical energy proof pack: promised vs attested Wh, health, last_2/4/8 rollups, Welch PSD on history. Freemium card is free. HMAC-signed when…

Listing info 80/100
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