Tools for a more open agent web.

The directory of tools for agents

24,323 tools · Connect an API to an agent · Reset filters
EXTERNAL

api.paylyte.ai · /v1/data/prints/outcome

Paylyte grades a locked claim against the official BLS or Board print, then stamps the record on Bitcoin. You buy Proof of Outcome: the hashed official payload, the gr…

APIx402

Listing info 80/100

9.99 USDC / call (eip155:8453)Indexed
EXTERNAL

xhagents.xyz · /api/howto/create-x402-endpoint

Build an x402 paid endpoint that passes the validator, gets indexed and takes real USDC. End-to-end recipe for turning any HTTP capability into an x402 endpoint that a…

APIx402

Listing info 80/100

0.75 USDC / call (eip155:8453)Indexed
EXTERNAL

AgentTools

Explain what an EVM transaction would actually do: decodes the calldata (ERC-20 transfers/approvals via known ABIs, unknown selectors via the 4byte directory) and simu…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

AgentTools

Fetch a URL server-side and extract its title, meta description, Open Graph and Twitter card tags, canonical URL and favicon — the data agents need to preview or class…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

B20 Permit Inspector

🆕 Every B20 has ERC-2612 permit built in — approve a spender by signature instead of a transaction. Reads exactly what an agent needs to build a valid permit: the tok…

APIx402

Listing info 80/100

0.03 USDC / call (eip155:8453)Indexed
EXTERNAL

Crypto Fear & Greed

The crypto Fear & Greed Index (alternative.me): 0 = extreme fear, 100 = extreme greed, from volatility, momentum, volume, social and dominance — plus the day-over-day …

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453)Indexed
EXTERNAL

ManyLives Onchain

AI risk verdict for a Base network token contract address: send the address, get on-chain facts (name, symbol, supply, owner and whether ownership is renounced, upgrad…

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453)Indexed
EXTERNAL

Ned Watch

Why is this host failing right now? One call, no account: Ned probes it (DNS at three resolvers, its nameservers, TCP, TLS, HTTP timings, CDN and hosting fingerprints,…

APIx402

Listing info 80/100

0.05 USDC / call (eip155:8453)Indexed
EXTERNAL

Swap Route + Safety

Give a token and a trade size in USD → the deepest Base pool to route through, estimated price impact, a suggested slippage tolerance + minimum-out, all gated on a hon…

APIx402

Listing info 80/100

0.03 USDC / call (eip155:8453)Indexed
EXTERNAL

Tool Permission Change Analysis

Review permission changes before an agent release. Compare two explicit allow-only sets by tool, action and exact resource; report additions, removals and wildcard add…

APIx402

Listing info 80/100

0.021002 USDC / call (eip155:8453)Indexed
EXTERNAL

Wallet Balance Lookup

Read the ETH and USDC balance of any address on Base mainnet (chain 8453) straight from the chain, plus transaction count and how many x402 calls the USDC covers. Use …

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453); 2000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 2000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 2000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161)Indexed
EXTERNAL

Brazilayer Tax Reform

Brazil's tax transition calendar, year by year from 2026 to 2033: which taxes are in force each year, at what rate, and when PIS/COFINS, IPI, ICMS and ISS are extingui…

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453)Indexed

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