Tools for a more open agent web.

The directory of tools for agents

2,692 tools · Verify a proof · Reset filters

crypto-verify

x402-bazaar
Use case: data · finance
Protocols: APIx402
Pricing: 0.003 USDC / call (eip155:8453)

Verify an EIP-191 personal_sign or EIP-712 typed-data signature and recover the signer address from public inputs (message + signature). Verif…

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

Sign Ethereum messages - EIP-191, EIP-712 typed data, Permit2, signature verification and recovery

Listing info 65/100
›
Use case: development · communication
Protocols: MCP
Pricing: Price not supplied by publisher

Webhook signature-verification audit. Stripe, GitHub, Shopify, Twilio +17. Local. Deterministic.

Listing info 70/100
›
Use case: other
Protocols: APIx402
Pricing: 0.001 USDC / call (eip155:8453)

Provably-fair draw from the drand beacon with the full verifiable receipt + nonce-binding (the free draw is at GET /random).

Listing info 80/100
›

Tersign Evidence

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

Counter-signed evidence records for agent commerce: receipts, verification, dispute envelopes.

Listing info 80/100
›

Browser Proof

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

Evidence-backed web verification for agents with deterministic JSON, text evidence, and screenshots.

Listing info 65/100
›

ari-mcp

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

Fair-price checks, leaderboards, and Ed25519 receipt verification for x402/MPP services.

Listing info 65/100
›

mcp-server

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

Verifiable entropy, provably-fair games, and receipt verification for AI agents (FairSeal API).

Listing info 75/100
›
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); 3000 atomic units of 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E (eip155:43114); 3000 atomic units of 0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392 (eip155:1329)

Decode transaction: status, receipt and decoded token transfers for any tx hash or Solana signature, read onchain. EVM (auto-detects Ethereum,…

Listing info 80/100
›
Use case: data · search
Protocols: MCP
Pricing: Price not supplied by publisher

Paid agent trust checks, receipt verification, research, data work, and monitoring.

Listing info 75/100
›

baton

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

Hand off AI work with a signed Verification Receipt — an independent verifier proves it runs.

Listing info 65/100
›

denpyo-mcp

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

Japanese invoice/receipt OCR + tax registration-number (T-number) verification, via x402.

Listing info 75/100
›

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