Tools for a more open agent web.

The directory of tools for agents

2,761 tools · Verify a proof · Reset filters
EXTERNAL

twin.unykorn.org · /evm-block-receipts

Every transaction receipt in one block, in one call — Genesis402 / UnyKorn Operator Network

APIx402

Listing info 80/100

0.006 USDC / call (eip155:8453); 6000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 6000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

allooloo.io · /api

One paid call on allooloo.io for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: t…

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453); 10000 atomic units of 0xB2000000000000000000002fEb517dFeC7415344 (eip155:8453)Indexed
EXTERNAL

capitalmarketsknowledgegraph.ai · /api

One paid call on capitalmarketsknowledgegraph.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of re…

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453); 10000 atomic units of 0xB2000000000000000000002fEb517dFeC7415344 (eip155:8453)Indexed
EXTERNAL

capitalmarketsknowledgegraph.org · /api

One paid call on capitalmarketsknowledgegraph.org for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of r…

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453); 10000 atomic units of 0xB2000000000000000000002fEb517dFeC7415344 (eip155:8453)Indexed
EXTERNAL

pkgproof

One pkgproof package verification

APIx402

Listing info 70/100

0.05 USDC / call (eip155:8453)Indexed
EXTERNAL

HALOWERK kettenwerk

Checks one address on Ethereum, Base, Arbitrum, Optimism, Polygon or BNB Smart Chain against the open verification registry and against the chain itself. For a proxy t…

APIx402

Listing info 80/100

0.004 USDC / call (eip155:8453)Indexed
EXTERNAL

Check Before You Pay

Before an agent pays, get a verdict and a keepable receipt. Not insurance. Not custody.

MCP

Listing info 75/100

Price not supplied by publisherIndexed
EXTERNAL

Hatun MCP - Governed Agent Gateway

Governed MCP gateway: policy gate on every tool call, hash-chained DSSE receipt on every result.

MCP

Listing info 75/100

Price not supplied by publisherIndexed
EXTERNAL

Morse — Telegraph in Telegram

Ask Telegraph's ranked miners from any MCP client, no wallet. Morse pays; each answer has a receipt.

MCP

Listing info 75/100

Price not supplied by publisherIndexed
EXTERNAL

SideEye Human Signal Court

Score two AI outputs, get exact failure reasons, and issue a $0.01 USDC receipt via x402.

MCP

Listing info 75/100

Price not supplied by publisherIndexed

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