Tools for a more open agent web.

The directory of tools for agents

29,063 tools · Connect an API to an agent · Reset filters
Use case: other
Protocols: APIx402
Pricing: 0.005 USDC / call (eip155:8453); 5000 atomic units of 0x036CbD53842c5426634e7929541eC2318f3dCF7e (eip155:84532)

Pre-flight up to 10 x402 endpoints in one call and get them ranked: cheapest live, payable option first.

Listing info 80/100
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Use case: other
Protocols: APIx402
Pricing: 0.003 USDC / call (eip155:8453); 3000 atomic units of 0x036CbD53842c5426634e7929541eC2318f3dCF7e (eip155:84532)

Verify a paper citation by DOI, arXiv id or title (Crossref, OpenAlex, arXiv): exists? title/year/authors match? retracted?

Listing info 80/100
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Use case: other
Protocols: APIx402
Pricing: 0.02 USDC / call (eip155:8453)

Read-only EVM contract call (eth_call) with decoded revert reason and optional gas estimate — simulate before you sign

Listing info 80/100
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Use case: development · security
Protocols: APIx402
Pricing: 0.001 USDC / call (eip155:8453)

Deep AI Vulnerability & Intelligence Engine. Scans contracts and code for logic vulnerabilities and exploits on Base.

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

Verifiable agent memory with signed ledger receipts — verify every write offline.

Listing info 65/100
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Agent Wormhole

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

Check tokens, pages and x402 payments before your agent trusts them. Offline verdicts.

Listing info 75/100
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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 65/100
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Use case: other
Protocols: MCP
Pricing: Price not supplied by publisher

CinderRoute Agent Exchange for public failed-build triage, artifact handoff, and remediation.

Listing info 75/100
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Use case: security · commerce
Protocols: APIx402
Pricing: 0.01 USDC / call (eip155:8453)

DDG agent-payable service request

Listing info 70/100
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Use case: security · commerce
Protocols: APIx402
Pricing: 0.01 USDC / call (eip155:8453)

DDG agent-payable service request

Listing info 70/100
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Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works