api-endpoint-probe

api-endpoint-probe is a skill for Claude Code, Codex from the-hugin/RSIm. It costs 5 tokens per session (943 once invoked), scanned A, original, no licence file.

A tool for testing an API endpoint's accepted parameters before writing an integration.

In plain words
What is it for?
Use it to inspect a new endpoint with small test requests before implementing calls to it.
Why use it?
It reveals which filters, pagination options, limits, and authentication requirements actually work.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

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.

agentmods
npx agentmods add skills/the-hugin/rsim/api-endpoint-probe
Any agent
npx skills add the-hugin/RSIm --skill api-endpoint-probe
Clone the repo
git clone --depth 1 https://github.com/the-hugin/RSIm

Made for: Claude Code, 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 api-endpoint-probe

README.md
[![agentmods](https://agentmods.dev/badge/skills/the-hugin/rsim/api-endpoint-probe.svg)](https://agentmods.dev/skills/the-hugin/rsim/api-endpoint-probe)
Your own site
<a href="https://agentmods.dev/skills/the-hugin/rsim/api-endpoint-probe"><img src="https://agentmods.dev/badge/skills/the-hugin/rsim/api-endpoint-probe.svg" alt="Measured on agentmods" height="20"></a>
Per session 5 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 943 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
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 $0.00005 $0.00943
Opus 5 $0.00003 $0.00472
Sonnet 5 $0.00001 $0.00189
Haiku 4.5 $0.00001 $0.00094

Measured 5d ago against content hash dd6007a715ff, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

api-endpoint-probe 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.

2. Execute via `requests` (Python) or `curl` — depending on environment
skills/api-endpoint-probe/SKILL.md · 108 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. 5d ago First seen · 108 lines · 5 tokens per session scan A dd6007a715ff

Subscribe to this mod's changes

api-endpoint-probe is a skill published in the GitHub repository the-hugin/RSIm (2 stars, last pushed 5mo ago), with no licence file. It adds 5 tokens to every session and 943 once invoked, about $0.0000 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 2026-08-31.

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