detect-language-post-detect-language

detect-language-post-detect-language is a skill for Claude Code from bobadilla-tech/requiems-api-skills. It costs 32 tokens per session (409 once invoked), scanned A, original, MIT.

A text-language detector that returns the likely language, its two-letter ISO 639-1 code, and a confidence score. ISO 639-1 is a standard naming system for languages, such as “fr” for French.

In plain words
What is it for?
Use it to route text for translation, choose localized content, group messages by language, or decide whether further language review is needed.
Why use it?
It avoids making users select a language manually and indicates when the result may be unreliable.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the requiems-api-skills plugin — 127 skills shipped together

Good fit Use it to route text for translation, choose localized content, group messages by language, or decide whether further language review is needed.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/bobadilla-tech/requiems-api-skills/detect-language-post-detect-language
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 bobadilla-tech/requiems-api-skills --skill detect-language-post-detect-language
Clone the repo
git clone --depth 1 https://github.com/bobadilla-tech/requiems-api-skills

Made for: Claude Code.

Or install requiems-api-skills, the plugin that ships this one along with the rest of its 127 skills.

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 detect-language-post-detect-language

README.md
[![agentmods](https://agentmods.dev/badge/skills/bobadilla-tech/requiems-api-skills/detect-language-post-detect-language/github.svg)](https://agentmods.dev/skills/bobadilla-tech/requiems-api-skills/detect-language-post-detect-language)
Your own site
<a href="https://agentmods.dev/skills/bobadilla-tech/requiems-api-skills/detect-language-post-detect-language"><img src="https://agentmods.dev/badge/skills/bobadilla-tech/requiems-api-skills/detect-language-post-detect-language/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 detect-language-post-detect-language

Your own site · 80×15
<a href="https://agentmods.dev/skills/bobadilla-tech/requiems-api-skills/detect-language-post-detect-language"><img src="https://agentmods.dev/badge/skills/bobadilla-tech/requiems-api-skills/detect-language-post-detect-language.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 32 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 409 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.
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 $0.00032 $0.00409
Opus 5 $0.00016 $0.00204
Sonnet 5 $0.00006 $0.00082
Haiku 4.5 $0.00003 $0.00041

Measured 10d ago against content hash c0ea7951465d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

detect-language-post-detect-language 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 10d 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.

skills/detect-language-post-detect-language/SKILL.md · 60 lines

What it actually says

Endpoint

POST https://requiems.xyz/v1/text/detect-language

Detect Language

Identifies the language of the provided text and returns the language name, ISO 639-1 code, and confidence score.

Parameters

Name Type Required Location Description
text string yes body The text whose language should be detected.

Request Example

{
  "text": "Bonjour, comment ça va?"
}

Response Example

{
  "data": {
    "language": "French",
    "code": "fr",
    "confidence": 0.98
  },
  "metadata": {
    "timestamp": "2026-01-01T00:00:00Z"
  }
}

Response Fields

Field Type Description
language string Full name of the detected language (e.g. French, English, Spanish)
code string ISO 639-1 two-letter language code (e.g. fr, en, es). Empty string when detection is unreliable.
confidence number Confidence score between 0.0 and 1.0. 0.0 is returned when the language cannot be reliably detected.

Errors

  • 422 validation_failed — The text field is missing or empty.
  • 400 bad_request — The request body is missing or malformed.
  • 500 internal_error — Unexpected server error.
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. 10d ago First seen · 60 lines · 32 tokens per session scan A c0ea7951465d

Subscribe to this mod's changes

detect-language-post-detect-language is a skill published in the GitHub repository bobadilla-tech/requiems-api-skills (2 stars, last pushed 3d ago), licensed MIT. It adds 32 tokens to every session and 409 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 2026-08-31.

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