Install and configure the OpenClaw A2A Gateway plugin for cross-server agent communication. Use when: (1) setting up A2A between two or more OpenClaw instances, (2) user says 'configure A2A', 'set up A2A gateway', 'connect two OpenClaw servers', 'agent-to-agent communication', (3) adding a new A2A peer to an existing setup. Covers: plugin installation, Agent Card configuration, security tokens, peer registration, network setup (Tailscale/LAN), TOOLS.md template for agent awareness, and end-to-end verification.
Build A2A (Agent-to-Agent) protocol applications using the @a2a-js/sdk TypeScript/JavaScript SDK. Use this skill whenever the user wants to create an A2A agent server, build an A2A client, implement agent-to-agent communication, set up agent discovery, handle A2A tasks/streaming, or write any TypeScript/JavaScript code that imports from @a2a-js/sdk. Also triggers when the user mentions 'A2A protocol', 'agent-to-agent', 'agent card', 'AgentExecutor', or references the a2a-js repository — even if they don't explicitly say 'A2A SDK'. Covers both server and client development, all three transport bindings (JSON-RPC, HTTP+JSON/REST, gRPC), and the full task lifecycle.
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4. Which import methods are supported?
Upload archive: .zip / .skill (recommended)
Upload skills folder
Import from GitHub repository
Note: file size for all methods should be within 10MB.
5. How to use in Claude / Codex?
Typical paths (may vary by local setup):
Claude Code:~/.claude/skills/
Codex CLI:~/.codex/skills/
One SKILL.md can usually be reused across tools.
6. Can one skill be shared across tools?
Yes. Most skills are standardized docs + assets, so they can be reused where format is supported.
Example: retrieval + writing + automation scripts as one workflow.
7. Are these skills safe to use?
Some skills come from public GitHub repositories and some are uploaded by SkillWink creators. Always review code before installing and own your security decisions.
8. Why does it not work after import?
Most common reasons:
Wrong folder path or nested one level too deep
Invalid/incomplete SKILL.md fields or format
Dependencies missing (Python/Node/CLI)
Tool has not reloaded skills yet
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We try to avoid that. Use ranking + comments to surface better skills: