interface: Skill for Claude Code

.agents/skills/soroban/SKILL.md

soroban is a skill for Claude Code from SO4-Markets/interface. It costs 91 tokens per session (17,065 once invoked), scanned A, original, no licence file.

A development guide for Soroban, Stellar's Rust-based smart-contract system, covering contracts that run on the Stellar network.

In plain words
What is it for?
It is for setting up Soroban projects, defining contract storage and permissions, calling other contracts, emitting events, handling errors, and running several kinds of tests.
Why use it?
It gives guidance for building contracts and testing or reviewing them for errors and security problems.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter. Also seen: installed under .agents/ (shared by several agents).

This is SO4-Markets/interface's own configuration. It tells Claude Code how to work on interface itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything interface configures →

Reuse

Borrowing it

Nothing to install: this file belongs to SO4-Markets/interface. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/SO4-Markets/interface/main/.agents/skills/soroban/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/SO4-Markets/interface

Made for: Claude Code.

Wrote 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.

agentmods badge for soroban

README.md
[![agentmods](https://agentmods.dev/badge/skills/so4-markets/interface/soroban/github.svg)](https://agentmods.dev/skills/so4-markets/interface/soroban)
Your own site
<a href="https://agentmods.dev/skills/so4-markets/interface/soroban"><img src="https://agentmods.dev/badge/skills/so4-markets/interface/soroban/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.

agentmods 80×15 button for soroban

Your own site · 80×15
<a href="https://agentmods.dev/skills/so4-markets/interface/soroban"><img src="https://agentmods.dev/badge/skills/so4-markets/interface/soroban.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 91 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 17,065 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00091 $0.17065
Opus 5.5 $0.00036 $0.06826
Sonnet 5.5 $0.00018 $0.03413
Haiku 4.5 $0.00009 $0.01707

Measured 2mo ago against content hash e8f6f1343422, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

soroban 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 2mo 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 "http://localhost:8000/friendbot?addr=G..."
.agents/skills/soroban/SKILL.md · 2,579 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Changes

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.

  1. 2mo ago First seen · 2,579 lines · 91 tokens per session scan A e8f6f1343422

Subscribe to this mod's changes

soroban is a skill published in the GitHub repository SO4-Markets/interface (4 stars, last pushed 4d ago), with no licence file. It adds 91 tokens to every session and 17,065 once invoked, about $0.0004 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 2026-08-31.

Related

soroban compared with skills from other repositories

soroban next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
sorobanSO4-Markets/interfaceSkill44d agononeA91Claude Code
jolta16z/joltSkill1.1kyesterdayApache-2.0A15Claude Code
solana-toolkit-guidenirholas/three.wsSkill269yesterdayApache-2.0A50Claude Code, Codex
solanaquicknode/solana-finance-claude-pluginSkill101yesterdayMITA76Claude Code
smart-contractsstellar/stellar-dev-skillSkill57yesterdayApache-2.0A151Claude Code
solana-developmenttenequm/skillsSkill39yesterdayMITA53Claude Code, Codex
tari-ootletari-project/tari-ootleSkill29yesterdayBSD-3-ClauseA37Claude Code, Codex