arif-a2a-call
A2A v1.0.0 client + 888 JUDGMENT integration for OPENCLAW.
Skill by ariffazil
Install
Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.
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About
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Permissions
What this skill can do and what it asks for, from its SKILL.md and code. Checked Oct 25, 2026.
- Tools
- No tools found
- Secrets
- None asked for
- Install scripts
- None found
Network hosts it talks to 1
codeload.github.com· found in install command
Files it touches
~/.claude/skills/arif-a2a-call
What's inside
- Skill name
arif-a2a-call- Description
- A2A v1.0.0 client + 888 JUDGMENT integration for OPENCLAW. Use when candidate actions require ASI deliberation or A2A federation with APEX (formerly Hermes).
- License
- AGPL-3.0
- Instructions
- 105 lines in SKILL.md · view on GitHub
Before installing
- Instructions call the network
Files (1)
- SKILL.md
SKILL.md (first lines)
# arif-a2a-call — A2A Client for OPENCLAW
Use this skill when OPENCLAW needs 888 JUDGMENT or A2A federation with APEX (port 3002).
## Architecture
```
OPENCLAW
├── MCP ──── arifOS MCP ──── arif_judge_deliberate (888 JUDGMENT)
└── A2A ──── APEX (direct) ──── 888 JUDGMENT (fallback/deliberation)
```
## Two-Step Judgment Path
### Step 1: Primary 888 — arifOS MCP (arif_judge_deliberate)
Use the arifOS MCP tool `arif_judge_deliberate` for constitutional judgment:
```
Tool: arif_judge_deliberate
mode: judge
candidate: <action text>
session_id: <current session>
actor_id: openclaw
```
Returns: SEAL / HOLD / VOID with floor compliance proof.
### Step 2: A2A Fallback — APEX (direct A2A)
If arifOS MCP is unavailable, route to APEX via A2A:
```bash
# Direct to APEX (port 3002)
curl -X POST http://localhost:3002/tasks \
-H "Content-Type: application/json" \
-H "Authorization: Bearer apex-prime-token-dev" \
-d '{
"jsonrpc": "2.0",
"id": 1,
"method": "tasks/send",
"params": {
"message": {
"parts": [{"kind": "text", "text": "<candidate_action>"}]
}
}
}'
```
## Verdict Response Mapping
| Verdict | Meaning | OPENCLAW Action |
|---------|---------|-----------------|
| `SEAL` | Approved — all F1-F13 satisfied | Execute freely |
| `HOLD_888` | Paused — needs human confirmation | Pause, ask Arif |
| `VOID` | Forbidden — constitutional violation | Do not execute, announce |
| `pending-human-review` | AAA 888_JUDGE gate triggered | Wait for Arif verdict |
## A2A Endpoints
| Service | URL | Auth |
|---------|-----|------|
| APEX (direct) | `http://localhost:3002` | Bearer: `apex-prime-token-dev` |
| AAA Gateway | `http://localhost:3001` | Bearer: `aaa-a2a-token-dev` |
## Test Commands
```bash
# Test APEX directly
curl -X POST http://localhost:3002/tasks \
-H "Content-Type: application/json" \
-H "Authorization: Bearer hermes-agent-token-dev" \
-d '{"jsonrpc":"2.0","id":1,"method":"tasks/send","params":{"message":{"parts":[{"kind":"text","text":"write checkpoint after session seal"}]}}}'
# Test AAA Gateway
curl -X POST http://localhost:3001/a2a/message/send \
-H "Content-Type: application/json" \
-H "Authorization: Bearer aaa-a2a-token-dev" \
-H "x-a2a-key: aaa-a2a-apikey-dev" \
-d '{"jsonrpc":"2.0","id":1,"method":"message/send","params":{"skill":"status-query","message":{"parts":[{"kind":"text","text":"federation status"}]}}}'
# Check federation charter
curl http://localhost:3001/.well-known/arifos-federation.json
```
## When to Route to APEX via A2A
- arifOS MCP unavailable (network/timeout)
- Complex multi-agent deliberation required
- AAA gateway shows degraded health
- Explicit ASI deliberation requested by Arif
## Quick Reference
| Action | Endpoint | Method |
|--------|----------|--------|
| Send task to APEX | `/tasks` | POST |
| Get task status | `/tasks/{id}` | GET |
| Stream task | `/tasks/{id}/stream` | GET |
| Cancel task | `/tasks/{id}/cancel` | POST |
| Agent card | `/.well-known/agent-card.json` | GET |
**DITEMPA BUKAN DIBERI — Forged, Not Given.**From ariffazil/arifOS, AGPL-3.0.
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Signals
- Stars
- 54
- Forks
- 9
- Open issues
- 3
- Contributors
- 98
- Last commit (this folder)
- May 17, 2026 (5 months ago)
- Last release
- Oct 17, 2026 (11 days ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- AGPL-3.0
- Repository
- github.com/ariffazil/arifOS
- Website
- arifos.arif-fazil.com
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
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Cite this page
arif-a2a-call skill. Agent Mart. https://agentmart.dev/skills/ariffazil-arif-a2a-call (last updated 2026-10-24)