Tools for a more open agent web.

The directory of tools for agents

2,919 tools · Verify a proof · Reset filters
EXTERNAL

NetIntel

Validate an email address — email verification before you send: syntax + MX + disposable/role/free-provider detection in one call, boolean-first (deliverable, safe_to_…

APIx402

Listing info 80/100

0.001 USDC / call (eip155:8453); 1000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

SiteCheck

Solana token check for trading agents: price, market cap, FDV, liquidity, holders, 24h volume and trades, price change, organic-trading score, verification, top-holder…

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453); 2000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 2000 atomic units of 0x3600000000000000000000000000000000000000 (eip155:5042)Indexed
EXTERNAL

Toll402

Global business directory for agents (any city in the world; unknown cities are seeded on demand). Search by city, country, category, text or proximity; every result c…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

Countersignatory

One screened human answers an approval, verification or judgment task: approve or reject, true or false, or a label, with a reason and the responder's disclosed identi…

APIx402

Listing info 80/100

1.25 USDC / call (eip155:8453)Indexed
EXTERNAL

eu-verify

Offline validation of intermodal container numbers per ISO 6346: owner code, equipment category (U/J/Z), serial and check-digit verification (mod-11 with power-of-2 we…

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453)Indexed
EXTERNAL

eu-verify

One-call email verification for lead qualification and list hygiene: RFC 5322 syntax check, then a live MX lookup over DNS-over-HTTPS (Cloudflare, Google fallback). De…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

onyx-actions

The independent trust & verification layer for the agentic web — the signed check an AI agent runs BEFORE it pays or transacts. Returns a hard PROCEED / REVIEW / HOLD …

A2A

Listing info 50/100

Price not supplied by publisherIndexed
EXTERNAL

n0brains

Real-time crypto trading signals for BTC, ETH, SOL and 400+ coins — classified by type (whale flows, funding, liquidations, listings, news, on-chain), scored, with dir…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

Verify x402 settlement

Confirm a USDC payment actually settled: given a tx hash (and network), returns whether it succeeded and the USDC transfers it contains (from, to, amount). Optionally …

APIx402

Listing info 80/100

0.004 USDC / call (eip155:8453); 4000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 4000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 4000 atomic units of 0x754704Bc059F8C67012fEd69BC8A327a5aafb603 (eip155:143); 4000 atomic units of 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E (eip155:43114); 4000 atomic units of 0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392 (eip155:1329); 5000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 4000 atomic units of 0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168 (eip155:4663); 4000 atomic units of 0xcebA9300f2b948710d2653dD7B07f33A8B32118C (eip155:42220); 4000 atomic units of EPjFWdd5AufqSSqIndexed
EXTERNAL

AgentPay Spend Cap & Receipts

A stateful, multi-chain spending session for AI agents. One session enforces a hard USDC budget cap across every tool call, with a verifiable receipt and running ledge…

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453)Indexed
EXTERNAL

Factline

Crypto wallet sanctions check and self-hosted wallet evidence (OFAC, PEP). Use when a crypto service sends to or receives from a self-hosted wallet and must document i…

APIx402

Listing info 80/100

0.02 USDC / call (eip155:8453); 20000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

x402-evidence-crosscheck

Independent second opinion on an x402 resource: compares the seller's Bazaar listing and x402 manifest against the live observed price, payTo, network, method and payw…

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453)Indexed

Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works