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 agenticvault/agentic-vault --skill sign-swapgit clone --depth 1 https://github.com/agenticvault/agentic-vaultWrote 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/agenticvault/agentic-vault/sign-swap)<a href="https://agentmods.dev/skills/agenticvault/agentic-vault/sign-swap"><img src="https://agentmods.dev/badge/skills/agenticvault/agentic-vault/sign-swap/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/agenticvault/agentic-vault/sign-swap"><img src="https://agentmods.dev/badge/skills/agenticvault/agentic-vault/sign-swap.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 | $0.00000 | $0.00205 |
| Opus 5.5 | $0.00000 | $0.00082 |
| Sonnet 5.5 | $0.00000 | $0.00041 |
| Haiku 4.5 | $0.00000 | $0.00020 |
Grade A, and why
sign-swap scanned grade A with 0 findings 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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Sign Swap
Sign a swap transaction through the Agentic Vault MCP server.
When to use
Use this skill when the user wants to sign a token swap transaction on a supported chain.
Instructions
-
Use the
sign_swapMCP tool with the following parameters:chainId: The target chain ID (e.g., 1 for Ethereum mainnet)to: The DEX router contract addressdata: The encoded swap calldatavalue: (Optional) ETH value in wei
-
The tool enforces policy constraints:
- Chain ID must be whitelisted
- Contract must be whitelisted
- Function selector must be whitelisted
- Transaction value must be within limits
-
Never import or access signing keys directly. Always use the MCP tool.
Example
Use the sign_swap tool to sign a swap on chain 1 to router 0x... with calldata 0x...
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 · 30 lines · 0 tokens per session scan A 101e1b3bdc7c
sign-swap is a skill published in the GitHub repository agenticvault/agentic-vault (4 stars, last pushed 8mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 205 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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