Tools for a more open agent web.

The directory of tools for agents

2,761 tools · Verify a proof · Reset filters
Use case: other
Protocols: MCP
Pricing: Price not supplied by publisher

Free URL preflight. Cited text via separate paid Stripe MPP API.

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

Capture a web source, or seal a hash you hold, into a signed receipt anyone can verify offline.

Listing info 75/100
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inam-mcp

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

Check an agent's INAM reputation before trusting it, and sign a receipt when work is done.

Listing info 75/100
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Oracle Ask

x402-bazaar
Use case: other
Protocols: APIx402
Pricing: 0.1 USDC / call (eip155:8453)

Paid x402/MCP/A2A/Bazaar consult. Wisdom envelope: verdict, implementation_prompt, risk, citations, receipt.

Listing info 80/100
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Use case: finance
Protocols: APIx402
Pricing: 0.002 USDC / call (eip155:8453)

Deterministic payment-policy firewall with a signed, short-lived decision receipt

Listing info 80/100
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Use case: other
Protocols: APIx402
Pricing: 0.006 USDC / call (eip155:8453); 6000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 6000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

EVM transaction + receipt + decoded ERC20 transfers in ONE call — Genesis402 / UnyKorn Operator Network

Listing info 80/100
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values-firewall

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

EU AI Act Art-14 runtime oversight: allow / flag / gate-to-human on an agent action, with receipt.

Listing info 60/100
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Use case: security
Protocols: MCPAPI
Pricing: Price not supplied by publisher

MCP tools for x402 readiness, paid-path probes, launch packs, and trust receipts.

Listing info 70/100
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Use case: finance
Protocols: APIx402
Pricing: 0.012 USDC / call (eip155:8453); 12000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

Transaction status by hash and chain from a block explorer behind an API key: receipt success or failure, execution error flag and error descr…

Listing info 80/100
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Use case: security
Protocols: APIx402
Pricing: 0.005 USDC / call (eip155:8453)

Notarize AI output in bulk: one signed Ed25519 attestation of the model response per record for up to 20 AI inferences in a single call — same…

Listing info 80/100
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SpendTheBits

x402-bazaar
Use case: other
Protocols: APIx402
Pricing: 0.01 USDC / call (eip155:8453); 10000 atomic units of 0x3600000000000000000000000000000000000000 (eip155:5042); 10000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 10000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 10000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

Official $0.01 proof-of-life resource for SpendTheBits x402: returns a JSON heartbeat. Pay it to verify your agent's x402 client end to end.

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

Deterministic paper-only purchase preflight. Send one JSON purchase intent as an A2A text part. No payment, wallet, signature, credential or l…

Listing info 50/100
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