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 skills add chu2bard/pinion-os --skill tradegit 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/trade)<a href="https://agentmods.dev/skills/chu2bard/pinion-os/trade"><img src="https://agentmods.dev/badge/skills/chu2bard/pinion-os/trade/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/chu2bard/pinion-os/trade"><img src="https://agentmods.dev/badge/skills/chu2bard/pinion-os/trade.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00035 | $0.00740 |
| Opus 5.5 | $0.00014 | $0.00296 |
| Sonnet 5.5 | $0.00007 | $0.00148 |
| Haiku 4.5 | $0.00003 | $0.00074 |
Grade A, and why
pinion-trade 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 1mo 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/trade \ How it starts
The opening of the file, as written. The whole thing — 89 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Trade
Returns an unsigned token swap transaction from the 1inch aggregator on Base. If the source token needs approval, an approve transaction is included.
Endpoint
POST https://pinionos.com/skill/trade
Price: $0.01 USDC per call (x402 on Base)
Request Body
{
"src": "USDC",
"dst": "ETH",
"amount": "10",
"from": "0x...",
"slippage": 1
}
| Field | Type | Required | Description |
|---|---|---|---|
| src | string | yes | Source token symbol (ETH, USDC, WETH, DAI, CBETH) |
| dst | string | yes | Destination token symbol |
| amount | string | yes | Amount to swap (human-readable) |
| from | string | yes | Sender address (0x, 40 hex chars) |
| slippage | number | no | Slippage tolerance in percent (default: 1) |
Supported Tokens
ETH, USDC, WETH, DAI, CBETH
Example Request
curl -X POST https://pinionos.com/skill/trade \
-H "Content-Type: application/json" \
-d '{"src":"USDC","dst":"ETH","amount":"10","from":"0x101C..."}'
The first request returns HTTP 402 with payment requirements. Sign a USDC TransferWithAuthorization (EIP-3009) and retry with the X-PAYMENT header.
Example Response (with approval needed)
{
"approve": {
"to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"data": "0x095ea7b3...",
"value": "0x0",
"chainId": 8453
},
"swap": {
"to": "0x111111125421ca6dc452d289314280a0f8842a65",
"data": "0x...",
"value": "0x0",
"chainId": 8453
},
"srcToken": "USDC",
"dstToken": "ETH",
"amount": "10",
"network": "base",
"router": "0x111111125421ca6dc452d289314280a0f8842a65",
"note": "Sign and broadcast the approve tx first, wait for confirmation, then sign and broadcast the swap tx.",
"timestamp": "2026-02-16T12:00:00.000Z"
}
When to Use
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.
- 1mo ago First seen · 89 lines · 35 tokens per session scan A 5be037c99c4e
pinion-trade is a skill published in the GitHub repository chu2bard/pinion-os (97 stars, last pushed 8mo ago), licensed MIT. It adds 35 tokens to every session and 740 once invoked, about $0.0001 per session on Opus 5.5. 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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