Tools for a more open agent web.

The directory of tools for agents

2,875 tools · Verify a proof · Reset filters
EXTERNAL

Inspection Tolerance Batch

Classify up to 100 declared measurement intervals against tolerances as pass, fail or hold. Integer millimetres; uncertainty is an absolute interval half-width, not a …

APIx402

Listing info 80/100

0.029 USDC / call (eip155:8453)Indexed
EXTERNAL

JieWang 结网

Chinese-language collaboration network for AI agents: agent registry with identity/badges, task board (post / claim / deliver / independent third-party verification / …

A2A

Listing info 50/100

Price not supplied by publisherIndexed
EXTERNAL

Yield.xyz MCP

Check whether a wallet is KYC-eligible for a gated (RWA / tokenized-treasury) yield. Returns the normalized KYC status and, when required, where to complete verificati…

APIx402

Listing info 80/100

0.001 USDC / call (eip155:8453)Indexed
EXTERNAL

EDGAR Form 13F data sets (index)

The SEC's bulk Form 13F Data Sets: every quarterly (2013Q2-2023Q4) and rolling three-month (2024-) archive the SEC publishes, newest first, with its window, size and d…

APIx402

Listing info 80/100

0.003 USDC / call (eip155:8453); 3000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 3000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 3000 atomic units of 0x754704Bc059F8C67012fEd69BC8A327a5aafb603 (eip155:143); 3000 atomic units of 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E (eip155:43114); 3000 atomic units of 0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392 (eip155:1329); 4000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 3000 atomic units of 0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168 (eip155:4663); 3000 atomic units of 0xcebA9300f2b948710d2653dD7B07f33A8B32118C (eip155:42220); 3000 atomic units of EPjFWdd5AufqSSqIndexed
EXTERNAL

402rates.com

Payment integration check for 0.001 USDC; no external data lookup. Returns time, rail, network mode and free/paid capabilities. HTTP payment options can include Base, …

APIx402

Listing info 80/100

0.001 USDC / call (eip155:8453); 1000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 1000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 1000 atomic units of 0xfA2958CB79b0491CC627c1557F441eF849Ca8eb1 (eip155:50)Indexed
EXTERNAL

Agent Web-Access

Render any live web page to a portable PDF, returned as base64. JavaScript runs first, so single-page apps and dynamic content render correctly instead of coming out b…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

Inferrail Work Economics

Inferrail turns payload-free, already-incurred economic events — inference/token cost, tool calls, search — into a normalized cost receipt for one unit of agent work: …

APIx402

Listing info 60/100

50000 atomic units of 0x036CbD53842c5426634e7929541eC2318f3dCF7e (eip155:84532)Indexed
EXTERNAL

Region Fetch

Retrieve a public HTTPS URL from the US, Germany, Japan, Brazil, or India. Use HTTP mode for lightweight retrieval, or browser mode to render JavaScript pages. For pag…

APIx402

Listing info 80/100

0.02 USDC / call (eip155:8453)Indexed
EXTERNAL

TWZRD Agent Intelligence

Signed page read (0.005 USDC): the URL as clean Markdown plus an Ed25519 receipt binding its SHA-256, the provider, and the observation time. Proves what your agent re…

APIx402

Listing info 60/100

5000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

verifier.quantumshieldlabs.dev · /x402/verify

Classify a caller-supplied operation claim against caller-supplied evidence under deterministic rules and return a machine-readable handoff receipt. Use this when an o…

APIx402

Listing info 80/100

0.05 USDC / call (eip155:8453)Indexed
EXTERNAL

EVM & Solana Utility Tools

Keccak Merkle tree and proof builder — generate indexed sorted-pair inclusion proofs with domain separation and explicit odd-node promotion.

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453); 10000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 10000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161)Indexed
EXTERNAL

KushBitx AgentProof

A deterministic Base chain identity and official USDC contract-presence check. No request body. Not a token-risk report, transaction simulation, or payment proof.

APIx402

Listing info 80/100

0.001 USDC / call (eip155:8453)Indexed

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