Tools for a more open agent web.

The directory of tools for agents

22,460 tools · Connect an API to an agent · Reset filters
Use case: data · finance
Protocols: APIx402
Pricing: 0.25 USDC / call (eip155:8453)

AI crypto analyst, pay-per-call in USDC: ask any question on Bitcoin, Ethereum, altcoins or macro; the agent picks live market data tools (pri…

Listing info 80/100
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Use case: data · finance
Protocols: APIx402
Pricing: 0.1 USDC / call (eip155:8453); 100000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 100000 atomic units of 31566704 (algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=); 100000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137)

One call, any task: describe what you need in plain English (?task=) and this node routes it — local semantic search (MiniLM ONNX, cross-encod…

Listing info 80/100
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Overwing Atlas

x402-bazaar
Use case: productivity
Protocols: APIx402
Pricing: 0.001 USDC / call (eip155:8453)

Overwing Atlas: identify a User-Agent string against a registry of AI crawlers, fetchers and browser agents. Returns the claimed agent, operat…

Listing info 80/100
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Use case: other
Protocols: APIx402
Pricing: 0.002 USDC / call (eip155:8453); 2000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 2000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 2000 atomic units of 0x754704Bc059F8C67012fEd69BC8A327a5aafb603 (eip155:143); 2000 atomic units of 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E (eip155:43114); 2000 atomic units of 0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392 (eip155:1329); 3000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 2000 atomic units of 0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168 (eip155:4663); 2000 atomic units of 0xcebA9300f2b948710d2653dD7B07f33A8B32118C (eip155:42220); 2000 atomic units of EPjFWdd5AufqSSq

Score an OpenAPI 3.x or Swagger 2.x spec on agent-readiness - i.e. does an LLM-driven caller have what it needs to call the API correctly with…

Listing info 80/100
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StableUpload

x402-bazaar
Use case: documents
Protocols: APIx402
Pricing: 0.005 USDC / call (eip155:8453); 5000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

Buy an upload slot. Agent uploads file via returned URL.

Listing info 80/100
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Use case: documents
Protocols: APIx402
Pricing: 0.004 USDC / call (eip155:8453); 4000 atomic units of 0x3600000000000000000000000000000000000000 (eip155:5042); 4000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 10000000000000000 atomic units of 0x8d0D000Ee44948FC98c9B98A4FA4921476f08B0d (eip155:56); 10000000000000000 atomic units of 0xcE24439F2D9C6a2289F741120FE202248B666666 (eip155:56)

Which agents registered on Arc actually answer. Every endpoint every agent lists in its ERC-8004 registration file (web, A2A, MCP, x402, the f…

Listing info 80/100
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Oblique Markets

x402-bazaar
Use case: data · productivity
Protocols: APIx402
Pricing: 0.01 USDC / call (eip155:8453); 10000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

Use when an agent needs route task. Returns Agent Economy task router: discover protocol, market-activity, and paid services from a read-only …

Listing info 80/100
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