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AF a2a-setup

Install and configure the Claw Crony 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.

ClawHub Agent Skills author: ccccl8 v1.0.2 MIT-0 3 files body ≈ 1 950 tokens Open the sourceclawhub.ai↗ analyzed 2 d ago

As a process F 38/100 · Will not run — References files that are not bundled: scripts/a2a-send.mjs

IntegrationAI and agentstype and topics are labelled automatically from the skill text
Runs in: OpenClaw Claude / Claude Code ChatGPT / Codex Gemini CLI Cursor GitHub Copilot / VS Code Qwen Code Kimi Code CLI Z.ai (GLM) DeepSeek (Deep Code) Mistral Vibe LangChain (deepagents) Goose OpenCode
JSON
Technical rating
A
91/100
safety, quality, tests
Safety 60%
99
Quality 40%
80
Run on models
none yet
Process rating
F
38/100
Will not run
References files that are not bundled: scripts/a2a-send.mjs
Tools and files w 18
0
Result and completion w 14
0
Progress reporting w 2
0
the three weakest of ten parameters · all ten

How to improve

  1. The text references files that are not there: add them or drop the references.
For the model run — optional
  • Your own cases (evals/evals.json, 4–6 real requests with expected answers): the full check would then run those instead of a model-drafted suite.
  • A spec.yaml with trigger phrases and assertions — a behaviour contract for CI; `skilltest init` writes a template.

Guard findings · 1

✓ No critical or high findings

Medium and low: 1
  • low Dangerous commands cmd-pipe-to-shell-known-host SKILL.md:194
    Pipe-to-shell installer from a well-known host (still executes remote code) (documentation of a security skill)
    curl -fsSL https://tailscale.com/install.sh | sh
    security skill

Files scanned: 3. Evidence is masked. Grey chips explain why severity was lowered.

Against the Agent Skills spec

  • warning missing-ref reference to a missing file: scripts/a2a-send.mjs

Process rating: all ten parameters 38/100

Will not run. References files that are not bundled: scripts/a2a-send.mjs
  • 0Tools and files. 1 referenced file(s) missing: scripts/a2a-send.mjs
  • 0Result and completion. Does not say what the result is
  • 0Progress reporting. Says nothing while it works
  • 20When it triggers. No condition that starts the skill
  • 30Running it twice. 9 mutating operations with no state check
  • 40Consistency. Frontmatter name (a2a-setup) differs from the folder (claw-crony)
  • 50Failures and branches. 0 branches, has a failure section
  • 70Inputs and preconditions. Inputs and preconditions are listed
  • 85Steps. 14 steps, 1 vague phrases
  • 100Execution cost. Instruction body is 1950 tokens
  • low 14 top-level sections: this looks like several domains in one skill

Everything here is measured from the skill text rather than judged by a model, so the numbers are checkable. A parameter weighs more when it is a more common reason for the process to stall.

Quality signals

  • +5Description has no quoted example phrases that should trigger the skill
  • +4Description does not say when NOT to use the skill (false activations)
  • +3Output format is not stated: the model decides each time
  • -2localhost URLs: will not work for another user
  • +1No license
  • +2Single-language instructions
  • +3Description length 517: enough signal without eating the budget
  • +4Structure: 19 headings
  • +3Step-by-step instructions: 14 items
  • +4Has examples (16 code blocks)
  • +4Reference files are cited in the instructions (1 of 1)

Quality base 70; lint remarks subtract, signals add up to 100. Result: 80.

External checks

ClawHub: suspicious
This is a coherent setup guide for agent-to-agent communication, but it grants persistent remote-agent access and handles bearer tokens in ways users should review carefully before installing.
LLM: suspicious (high) · VirusTotal: · 29 May 2026