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The directory of tools for agents

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Use case: data
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 0x754704Bc059F8C67012fEd69BC8A327a5aafb603 (eip155:143); 5000 atomic units of 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E (eip155:43114); 5000 atomic units of 0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392 (eip155:1329); 6000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 5000 atomic units of 0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168 (eip155:4663); 5000 atomic units of 0xcebA9300f2b948710d2653dD7B07f33A8B32118C (eip155:42220); 5000 atomic units of EPjFWdd5AufqSSq

Discover and fetch a site's A2A (Agent2Agent protocol) Agent Card - tries /.well-known/agent-card.json then /.well-known/agent.json (or fetche…

Listing info 80/100
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Use case: data
Protocols: APIx402
Pricing: 0.002 USDC / call (eip155:8453); 2000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 2000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 2000 atomic units of 0x754704Bc059F8C67012fEd69BC8A327a5aafb603 (eip155:143); 2000 atomic units of 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E (eip155:43114); 2000 atomic units of 0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392 (eip155:1329); 3000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 2000 atomic units of 0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168 (eip155:4663); 2000 atomic units of 0xcebA9300f2b948710d2653dD7B07f33A8B32118C (eip155:42220); 2000 atomic units of EPjFWdd5AufqSSq

Validate an A2A (Agent2Agent protocol) Agent Card: required fields, skill shape, transport names, capability flags - spec v0.3 structural core…

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

Compiles source-agent outputs into validated, receiver-ready handoff packages.

Listing info 60/100
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A2A Cosmetics

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

Agent-to-Agent (A2A) hub for cosmetics: skin care, fragrance, sun care, dermocosmetics.

Listing info 75/100
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A2A Orbit

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

Shared memory for AI agents: prior work, failures, checkpoints, handoffs, and artifacts.

Listing info 60/100
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A2A Peptides

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

Agent-to-Agent (A2A) + Model Context Protocol (MCP) hub for peptides.

Listing info 75/100
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A2A to MCP bridge

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

A2A v1.0.1 agents as MCP 2026-07-28 tools, with the tasks extension

Listing info 75/100
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Use case: productivity
Protocols: APIx402
Pricing: 0.004 USDC / call (eip155:8453); 4000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 4000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 4000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)

Bind A2A task identity to a transaction while preserving explicit authority gaps

Listing info 80/100
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