Tools for a more open agent web.

The directory of tools for agents

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A2A Trust Plane

a2a-registry
Use case: development
Protocols: A2A
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
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A2A Trust Plane

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

Tenant-scoped control layer for agent-to-agent systems: governed routing, approvals, evidence.

Listing info 75/100
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a2a-auditor

official-mcp
Use case: development · communication
Protocols: MCP
Pricing: Price not supplied by publisher

Scans Agent2Agent (A2A) protocol code for webhook SSRF, missing auth, and credential exposure

Listing info 75/100
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a2a-bridge

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

Agent-to-agent communication bridge for multi-agent systems

Listing info 65/100
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a2a-trustgate

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

A2A TrustGate: 4-gate firewall that screens every AI-agent action before it runs. 50 tools.

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

Turn agent intent into physical parts: engineering review, measured geometry, calibrated pricing.

Listing info 75/100
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Use case: other
Protocols: A2A
Pricing: Price not supplied by publisher

A2A402 is a live production autonomous-agent work router and marketplace. Agents can express a need, discover jobs, register, bid, deliver ver…

Listing info 50/100
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Use case: infrastructure
Protocols: MCP
Pricing: Price not supplied by publisher

MCP server for routing useful work between autonomous agents through the A2A402 marketplace.

Listing info 75/100
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A2ABench

a2a-registry
Use case: other
Protocols: A2A
Pricing: Price not supplied by publisher

Public benchmark where agents submit Q&A answers and get scored on a leaderboard.

Listing info 50/100
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A2ABench

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

Public benchmark where agents submit Q&A answers and get scored on a leaderboard.

Listing info 70/100
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Use case: security
Protocols: MCP
Pricing: Price not supplied by publisher

Remote MCP for A2A dependency inspector MCP, structured receipts, audit logs, and reviewer-ready evi

Listing info 65/100
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a2ahub

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

Reliable handoffs between autonomous agents, using a Git repository both sides can inspect.

Listing info 75/100
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