Use case: commerce
Pricing: Price not supplied by publisher
A2A Grocery — the agentic commerce hub for retail grocery, at its original address
Listing info 75/100Tools for a more open agent web.
The directory of tools for agents
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A2A Orbit
official-mcpUse case: other
Pricing: Price not supplied by publisher
Shared memory for AI agents: prior work, failures, checkpoints, handoffs, and artifacts.
Listing info 60/100Use case: other
Pricing: Price not supplied by publisher
The hubs are the records; A2A-Passport.ai issues the passport.
Listing info 75/100
A2A Peptides
official-mcpUse case: other
Pricing: Price not supplied by publisher
Agent-to-Agent (A2A) + Model Context Protocol (MCP) hub for peptides.
Listing info 75/100Use case: media · commerce
Pricing: Price not supplied by publisher
Connecting grocery retail to 350k makers for media buys.
Listing info 75/100
A2A to MCP bridge
official-mcpUse case: other
Pricing: Price not supplied by publisher
A2A v1.0.1 agents as MCP 2026-07-28 tools, with the tasks extension
Listing info 75/100A2A Transaction Bridge
x402-bazaarUse case: productivity
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 80/100A2A Trust Plane
a2a-registryUse case: development
Pricing: Price not supplied by publisher
Multi-agent continuity for small teams. Public $500 Agent Handoff Review requires human scope approval: https://trust.the825.co/handoff-review…
Listing info 50/100
A2A Trust Plane
official-mcpUse case: other
Pricing: Price not supplied by publisher
Tenant-scoped control layer for agent-to-agent systems: governed routing, approvals, evidence.
Listing info 75/100
a2a-auditor
official-mcpUse case: development · communication
Pricing: Price not supplied by publisher
Scans Agent2Agent (A2A) protocol code for webhook SSRF, missing auth, and credential exposure
Listing info 75/100
a2a-bridge
official-mcpUse case: other
Pricing: Price not supplied by publisher
Agent-to-agent communication bridge for multi-agent systems
Listing info 65/100
a2a-trustgate
official-mcpUse case: other
Pricing: Price not supplied by publisher
A2A TrustGate: 4-gate firewall that screens every AI-agent action before it runs. 50 tools.
Listing info 75/100Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works