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The directory of tools for agents

2,722 tools · Verify a proof · Reset filters
Use case: data · finance
Protocols: APIx402
Pricing: 0.002 USDC / call (eip155:8453)

Verify EVM signatures offline: EIP-191 personal messages, EIP-712 typed data, and x402/EIP-3009 payment authorizations (paste a raw Payment-Si…

Listing info 80/100
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Use case: finance · productivity
Protocols: A2A
Pricing: Price not supplied by publisher

Tenant-free metered signed-verification rail. Pay per call in USDC over x402/a2a/mpp/ap2 across 12 mainnet lanes: mined-tx lanes weld the chal…

Listing info 50/100
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Vextorium

x402-bazaar
Use case: data
Protocols: APIx402
Pricing: 0.003 USDC / call (eip155:8453); 3000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 3000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 3000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 3000 atomic units of 0x3600000000000000000000000000000000000000 (eip155:5042)

Verify an Ethereum signature: a personal_sign (EIP-191) message or EIP-712 typed data. Recovers the signer address and, if you pass one, confi…

Listing info 80/100
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SignatureAPI

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

E-signature API: send documents for signature, track envelopes, get signed files.

Listing info 75/100
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Use case: finance
Protocols: APIx402
Pricing: 0.003 USDC / call (eip155:8453); 3000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 3000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 3000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

Reconcile payment and receipt fields

Listing info 70/100
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Use case: automation · security
Protocols: APIx402
Pricing: 0.1 USDC / call (eip155:8453)

Verify a CryptoVar Black-Scholes VaR artifact by replaying its parameters, result and audit proof. 0.10 USDC. Returns valid true/false and the…

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

Create a delivery acknowledgement

Listing info 50/100
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goods-receipt

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

Goods receipt notes vs purchase orders: tolerances, damaged/short units, CSV export.

Listing info 75/100
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Use case: other
Protocols: MCP
Pricing: Price not supplied by publisher

Register an event callback address

Listing info 50/100
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Use case: other
Protocols: APIx402
Pricing: 0.01 USDC / call (eip155:8453)

Extract receipt text into validated JSON using local Ollama. 0.01 USDC per receipt.

Listing info 80/100
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Use case: other
Protocols: APIx402
Pricing: 0.004 USDC / call (eip155:8453); 4000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 4000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 4000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

Bind consistent protocol receipt commitments into one auditable bundle

Listing info 80/100
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Receipt Extraction

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

AU GST/ABN receipt extraction — assigns entertainment/ITC tax codes per line, not just OCR.

Listing info 75/100
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