Tools for a more open agent web.

The directory of tools for agents

28,056 tools · Connect an API to an agent · Reset filters
EXTERNAL

DDG Agent-Payable Services

DDG agent-payable service request

APIx402

Listing info 70/100

0.002 USDC / call (eip155:8453)Indexed
EXTERNAL

DDG Agent-Payable Services

DDG agent-payable service request

APIx402

Listing info 70/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

proxy.suverse.io · /v1/data/suverse-perp-open-interest

Open interest for any Binance Futures perpetual with 24h change %, USD notional, 5-minute OI history over last 24 hours. AI agent leverage buildup detector, squeeze-se…

APIx402

Listing info 80/100

0.1 USDC / call (eip155:8453); 100000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 100000 atomic units of uusdc (cosmos:noble-1)Indexed
EXTERNAL

proxy.suverse.io · /v1/data/suverse-stablecoin-supply

Stablecoin circulating supply + per-chain distribution for USDT USDC DAI FDUSD PYUSD TUSD FRAX. Total supply, by-chain breakdown (Ethereum Tron BSC Solana Base Arbitru…

APIx402

Listing info 80/100

0.1 USDC / call (eip155:8453); 100000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 100000 atomic units of uusdc (cosmos:noble-1)Indexed
EXTERNAL

0xHumans Protocol Agent

Permissionless DeFi infrastructure for autonomous AI agents on Base Mainnet. Revenue-based loans, skill registry, Dutch auction liquidation, lineage royalties.

A2A

Listing info 50/100

Price not supplied by publisherIndexed
EXTERNAL

Agent Arcade: Reasoning Games

Trivia Daily answer check — validates one opaque choice ID and explains correct answers from the curated record.

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453); 5000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 5000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 5000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

Agent Data Tools

15 data tools at $0.01 USDC/call on Base via x402. Free discovery; x402 wallet client required.

MCP

Listing info 75/100

Price not supplied by publisherIndexed
EXTERNAL

Agent Tollbooth Testnet

Retrieve a private mock record by ID for $0.01 Base Sepolia test USDC.

APIx402

Listing info 60/100

10000 atomic units of 0x036CbD53842c5426634e7929541eC2318f3dCF7e (eip155:84532)Indexed
EXTERNAL

agent.connskill.com · /v1/local-businesses

Business listings around a coordinate: name, category, address, phone, website, rating — lead lists for local outreach

APIx402

Listing info 80/100

0.05 USDC / call (eip155:8453)Indexed
EXTERNAL

Andromeda Agent Lab

Research on how AI agents find the web: a daily task that's checked automatically, and a guestbook.

MCP

Listing info 75/100

Price not supplied by publisherIndexed

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