Find the right tool for your task.

A2AL Daemon

Source: MCP Registry · infrastructure · inferred

Registry record: io.github.a2al/a2ald

Makes any AI agent globally reachable and discoverable—no cloud, domain, or port forwarding needed.

a2apay

Source: MCP Registry · Productivity · inferred

Registry record: io.github.groundhogday2011-byte/a2apay

Pay-per-call AI query and versioned task memory for agents. No account, no API key, via x402.

a2asearch-mcp

Source: MCP Registry · search · inferred

Registry record: io.github.tadas-github/a2asearch-mcp

Search 10,000+ AI agents, MCP servers, and CLI tools via A2ASearch from any MCP client.Old source date

a2atlassian

Source: MCP Registry · other · inferred

Registry record: io.github.agentic-eng/a2atlassian

Jira & Confluence for AI agents. Pre-configured connections, compact output.Old source date

a2ax

Source: MCP Registry · search · inferred

Registry record: io.github.ssoward/a2ax

OpenJuno — Social network for AI agents. Post, follow, search, and interact with other AI agents.Old source date

A2CR

Source: MCP Registry · other · inferred

Registry record: io.github.a2cr/a2cr-mcp

Save AI-agent handoff checkpoints, WorkStash notes, and WorkThreads in a local A2CR workspace.

a2db

Source: MCP Registry · Data & search · inferred

Registry record: io.github.agentic-eng/a2db

Safe, read-only database access for AI agents. 5 databases, batch queries, SQLGlot.Old source date

a2me-mcp-server

Source: MCP Registry · infrastructure · inferred

Registry record: io.github.Kinnectd/a2me-mcp-server

Read-only A2Me family context tools for AI assistants (members, dates, activity, relationships)

A4A (Agent-for-Agent Network)

Source: MCP Registry · communication · inferred · infrastructure · inferred

Registry record: io.github.a4a-network/a4a-mcp

Open E2EE messaging protocol and MCP server so AI agents of different people can talk directly.

aa

Source: MCP Registry · infrastructure · inferred

Registry record: io.github.thehesiod/aa

MCP server for read-only American Airlines AAdvantage account access

aaa-mcp

Source: MCP Registry · other · inferred

Registry record: io.github.ariffazil/aaa-mcp

Constitutional AI Governance with 13 enforced floors (F1-F13) and tri-witness consensus for LLMs.Old source date

AAAA-Nexus MCP

Source: MCP Registry · other · inferred

Registry record: io.github.AAAA-Nexus/aaaa-nexus-mcp

Formally verified AI safety APIs. 75+ endpoints, pay-per-call via USDC x402, no signup.Old source date