Tools for a more open agent web.

The directory of tools for agents

2,726 tools · Verify a proof · Reset filters
Use case: other
Protocols: APIx402
Pricing: 0.5 USDC / call (eip155:8453); 500000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 500000 atomic units of 0x3600000000000000000000000000000000000000 (eip155:5042); 500000 atomic units of 0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168 (eip155:4663); 500000 atomic units of 0x754704Bc059F8C67012fEd69BC8A327a5aafb603 (eip155:143)

Settlement Proof — chain_id=8453/tx_hash=0x381b311efe17fdce7e3e26d211253197bfb715195152b016b9576b6528989684

Listing info 80/100
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Proof of Service

x402-bazaar
Use case: finance
Protocols: APIx402
Pricing: 0.005 USDC / call (eip155:8453); 5000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 5000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 5000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

Commit request, authority, execution, payment and delivery evidence in one auditable proof

Listing info 80/100
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Use case: communication · commerce
Protocols: APIx402
Pricing: 0.005 USDC / call (eip155:8453); 5000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 50000 atomic units of USDC (stellar:pubnet)

BitBooth Webhook Signature Verify: pay 0.005 USDC, verify a webhook signature against the provider's canonical HMAC scheme. Supports stripe, g…

Listing info 80/100
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verify-proof

official-mcp
Use case: finance
Protocols: MCP
Pricing: Price not supplied by publisher

Verify blockchain timestamp proofs offline, or anchor a new one through ProofLedger.

Listing info 75/100
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x402 Notary

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

Cryptographic receipts for AI inference: notarize a prompt/response pair and get a signed attestation, content hash and receipt token, anchore…

Listing info 50/100
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Use case: other
Protocols: MCP
Pricing: Price not supplied by publisher

Verify whether a local Agent or MCP runtime matches an approved artifact.

Listing info 75/100
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proof

official-mcp
Use case: development
Protocols: MCP
Pricing: Price not supplied by publisher

Govern your AI coding agent: frame the work, review the changes, keep a signed decision record.

Listing info 75/100
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Use case: data
Protocols: APIx402
Pricing: 0.006 USDC / call (eip155:8453); 6000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 6000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

Merkle-Patricia state proof for an account and optional storage slot — Genesis402 / UnyKorn Operator Network

Listing info 80/100
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Use case: other
Protocols: MCP
Pricing: Price not supplied by publisher

Prove a real, unique human performed an action; mint a signed, verifiable Proof-of-Human credential.

Listing info 75/100
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Use case: security
Protocols: APIx402
Pricing: 0.004 USDC / call (eip155:8453)

RFC 8785 key-sorted JSON canonicalization + SHA-256 hash + Merkle leaf + HMAC-SHA256 audit signature

Listing info 80/100
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Use case: finance
Protocols: APIx402
Pricing: 0.002 USDC / call (eip155:8453); 2000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

Transaction lookup on Base, Ethereum or Solana: give a transaction hash or signature, get its status, sender, fee and every token transfer.

Listing info 80/100
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Use case: other
Protocols: APIx402
Pricing: 0.001 USDC / call (eip155:8453)

Check whether a source supports, contradicts, or gives insufficient information about a claim - a typed verdict with a real probability, not g…

Listing info 80/100
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