Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/chu2bard/pinion-os/chatnpx skills add chu2bard/pinion-os --skill chatgit clone --depth 1 https://github.com/chu2bard/pinion-osWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/chu2bard/pinion-os/chat)<a href="https://agentmods.dev/skills/chu2bard/pinion-os/chat"><img src="https://agentmods.dev/badge/skills/chu2bard/pinion-os/chat.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00036 | $0.00391 |
| Opus 5 | $0.00018 | $0.00196 |
| Sonnet 5 | $0.00007 | $0.00078 |
| Haiku 4.5 | $0.00004 | $0.00039 |
Grade A, and why
pinion-chat scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -X POST https://pinionos.com/skill/chat \ What it actually says
AI Agent Chat
Send messages to the Pinion AI agent and get a response. The agent knows about the Pinion protocol, x402, OpenClaw, ERC-8004 and on-chain topics. It has web search for current information.
Endpoint
POST https://pinionos.com/skill/chat
Price: $0.01 USDC per call (x402 on Base)
Request Body
{
"messages": [
{ "role": "user", "content": "what is x402?" }
]
}
| Field | Type | Required | Description |
|---|---|---|---|
| messages | array | yes | Array of { role, content } message objects |
Roles: user or assistant. Send conversation history for multi-turn chat.
Example Request
curl -X POST https://pinionos.com/skill/chat \
-H "Content-Type: application/json" \
-d '{"messages":[{"role":"user","content":"what is x402?"}]}'
The first request returns HTTP 402 with payment requirements. Sign a USDC TransferWithAuthorization (EIP-3009) and retry with the X-PAYMENT header.
Example Response
{
"response": "x402 is a protocol that brings the HTTP 402 Payment Required status code to life..."
}
When to Use
- Ask about the Pinion protocol, x402, or Base.
- Get explanations of on-chain concepts.
- Use as a sub-agent for research within an autonomous workflow.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 5d ago First seen · 57 lines · 36 tokens per session scan A 3f0208ad1cb4
pinion-chat is a skill published in the GitHub repository chu2bard/pinion-os (96 stars, last pushed 6mo ago), licensed MIT. It adds 36 tokens to every session and 391 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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