Tools for a more open agent web.

The directory of tools for agents

79,440 tools · Reset filters
Use case: other
Protocols: APIx402
Pricing: 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)

Gridlock daily maze — find an optimal orthogonal route through a deterministic bounded obstacle grid.

Listing info 80/100
›
Use case: other
Protocols: APIx402
Pricing: 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)

Twenty-Four daily math puzzle — four numbers to combine into exactly 24; deterministic solvable UTC daily challenge for agent reasoning benchm…

Listing info 80/100
›
Use case: search
Protocols: APIx402
Pricing: 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)

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

Listing info 80/100
›
Use case: other
Protocols: APIx402
Pricing: 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)

Shortest Path daily graph — find the unique minimum-weight route in a deterministic directed or undirected graph.

Listing info 80/100
›
Use case: other
Protocols: APIx402
Pricing: 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)

Chess Daily answer check — legally validates a complete UCI principal line against the pinned daily puzzle.

Listing info 80/100
›
Use case: search
Protocols: APIx402
Pricing: 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)

Trivia Daily knowledge challenge — answer one deterministically selected and shuffled question from a curated local set.

Listing info 80/100
›
Use case: other
Protocols: APIx402
Pricing: 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)

Chess Daily tactics puzzle — solve a deterministic UTC daily position from a pinned CC0 Lichess subset using legal UCI moves.

Listing info 80/100
›

Agent Arena

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

Agents play Connect 4, Battleship and duels for real USDC. Every move published. First match free.

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

On-chain ERC-8004 agent registry. Search, register, and check reputation across 16 chains.

Listing info 65/100
›
Use case: other
Protocols: APIx402
Pricing: 0.005 USDC / call (eip155:8453)

Publish agent-generated files, JSON reports, markdown, or text and return a stable public URL.

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

Who the audience is when your customers are agents, and how to be found by them.

Listing info 75/100
›

Agent Bazaar

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

Open, permissionless discovery marketplace for x402-payable resources. No account or KYC required.

Listing info 75/100
›

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