defillama-yields-openapi-skill

defillama-yields-openapi-skill is a skill for Codex from holon-run/uxc. It costs 33 tokens per session (672 once invoked), scanned A, original, MIT.

A read-only helper for DefiLlama's public yield API. DefiLlama tracks decentralized-finance services, and a yield pool is a place where users may deposit assets to earn a stated return.

In plain words
What is it for?
Find available yield pools and retrieve chart history for a particular pool, such as for comparing returns over time.
Why use it?
It makes yield-pool discovery and history requests repeatable without requiring authentication. Its scope stays limited to yield data rather than broader protocol, price, or paid APIs.

Skill for Codex

Written for Codex: agents/openai.yaml present.

Good fit Find available yield pools and retrieve chart history for a particular pool, such as for comparing returns over time.

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Install with agentmods
npx agentmods add skills/holon-run/uxc/defillama-yields-openapi-skill
Install

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.

Any agent
npx skills add holon-run/uxc --skill defillama-yields-openapi-skill
Clone the repo
git clone --depth 1 https://github.com/holon-run/uxc

Made for: Codex.

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 defillama-yields-openapi-skill

README.md
[![agentmods](https://agentmods.dev/badge/skills/holon-run/uxc/defillama-yields-openapi-skill/github.svg)](https://agentmods.dev/skills/holon-run/uxc/defillama-yields-openapi-skill)
Your own site
<a href="https://agentmods.dev/skills/holon-run/uxc/defillama-yields-openapi-skill"><img src="https://agentmods.dev/badge/skills/holon-run/uxc/defillama-yields-openapi-skill/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 defillama-yields-openapi-skill

Your own site · 80×15
<a href="https://agentmods.dev/skills/holon-run/uxc/defillama-yields-openapi-skill"><img src="https://agentmods.dev/badge/skills/holon-run/uxc/defillama-yields-openapi-skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 33 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 672 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original 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 $0.00033 $0.00672
Opus 5 $0.00016 $0.00336
Sonnet 5 $0.00007 $0.00134
Haiku 4.5 $0.00003 $0.00067

Measured 9d ago against content hash 55e948a1d093, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

defillama-yields-openapi-skill 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 9d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/validate.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/defillama-yields-openapi-skill/SKILL.md · 71 lines

How it starts

The opening of the file, as written. The whole thing — 71 lines — stays where its author put it; the contents beside it link to each section on GitHub.

DefiLlama Yields API Skill

Use this skill to run DefiLlama public yield API operations through uxc + OpenAPI.

Reuse the uxc skill for shared execution, auth, and error-handling guidance.

Prerequisites

  • uxc is installed and available in PATH.
  • Network access to https://yields.llama.fi.
  • Access to the curated OpenAPI schema URL:
    • https://raw.githubusercontent.com/holon-run/uxc/main/skills/defillama-yields-openapi-skill/references/defillama-yields.openapi.json

Scope

This skill covers a public read-only yield surface on yields.llama.fi:

  • yield pool discovery
  • per-pool chart history

This skill does not cover:

  • write operations
  • protocol or chain overview endpoints from api.llama.fi
  • price endpoints from coins.llama.fi
  • DefiLlama Pro APIs

Authentication

This public skill does not require authentication.

Core Workflow

  1. Use the fixed link command by default:

    • command -v defillama-yields-openapi-cli
    • If missing, create it: uxc link defillama-yields-openapi-cli https://yields.llama.fi --schema-url https://raw.githubusercontent.com/holon-run/uxc/main/skills/defillama-yields-openapi-skill/references/defillama-yields.openapi.json
    • defillama-yields-openapi-cli -h
  2. Inspect operation schema first:

    • defillama-yields-openapi-cli get:/pools -h
    • defillama-yields-openapi-cli get:/chart/{pool} -h
  3. Prefer narrow read validation before broader reads:

    • defillama-yields-openapi-cli get:/pools
    • defillama-yields-openapi-cli get:/chart/{pool} pool=747c1d2a-c668-4682-b9f9-296708a3dd90

Operations

  • get:/pools
  • get:/chart/{pool}

Guardrails

  • Keep automation on the JSON output envelope; do not use --text.
  • Parse stable fields first: ok, kind, protocol, data, error.
  • Treat this v1 skill as read-only.
  • Public DefiLlama data is split across multiple hosts; this skill intentionally wraps only yields.llama.fi.
  • defillama-yields-openapi-cli <operation> ... is equivalent to uxc https://yields.llama.fi --schema-url <defillama_yields_openapi_schema> <operation> ....

Read the full file on GitHub · 71 lines

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 9d ago First seen · 71 lines · 33 tokens per session scan A 55e948a1d093

Subscribe to this mod's changes

defillama-yields-openapi-skill is a skill published in the GitHub repository holon-run/uxc (113 stars, last pushed today), licensed MIT. It adds 33 tokens to every session and 672 once invoked, about $0.0002 per session on Opus 5. 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 2026-08-30.

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