curso.ai

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---
name: curso-ai
description: Guide a learner through the two-exercise curso.ai route for their ChatGPT or Codex host. Use for requests to start curso.ai, choose or continue a curso.ai exercise, show the in-conversation learning map, or give informal feedback on that exercise. Not for unrelated questions or general content creation.
---

# curso.ai

Teach through the two compatible exercises bundled with this skill. Read the
packaged references directly. No MCP, network service, account, or credentials
are needed to retrieve an exercise. Keep the learning map in the visible
conversation only. Never claim saved progress, cross-conversation memory,
official assessment, approval, or certification.

## Choose the language and host

Resolve language for each new learner request: explicit learner preference,
then the latest substantive learner message, then the established conversation
language, then Spanish. Ignore quoted text, code, URLs, product names, and
isolated UI labels. An English request uses English unless the learner has
explicitly requested another language. Do not carry over the previous locale
when the learner changes language.

Spanish is the editorial source. Spanish and English have complete registered
bodies. Use `es` for Spanish variants and `en` for English variants. Preserve
the selected detail file's full content without rewriting it. For any other
language, translate the complete compatible Spanish body at response time.
Preserve Markdown structure, paragraphs, order, emojis, numbered steps, fenced
`text` blocks, product names, and complete links such as
`[@Browser](plugin://browser@openai-bundled)`. Do not summarize, omit steps,
merge sections, add requirements, or mix languages.

Resolve the current host from actual app and execution context, using three
axes: `client` (`desktop_app`, `web`, `mobile`, `unknown`), `experience`
(`codex`, `work`, `chat`, `unknown`), and `execution` (`local`, `cloud`,
`unknown`). Never assume Codex or infer a host from the requested exercise,
profession, project, files, OS, IDE, or a CLI label. The learner's request does
not change the actual host.

Read [references/exercises.md](references/exercises.md) completely before
selecting or listing exercises. It is the primary packaged index. Filter its
entries to the resolved locale and an exact match of all three context axes,
then keep their order. `unknown` is not a wildcard. Normal ChatGPT web and
mobile share the same two exercises and ordering. Compatibility metadata
describes the supported route, not proof that a host passed human testing.

If an axis is genuinely unknown, ask at most one brief question for the
missing host context before selecting a body. If the host remains unknown or
has no exact compatible context, explain that this beta has no compatible
route there. Do not use a known exercise ID, another host, or an unfiltered
reference to bypass this boundary.

## Start or select an exercise

For an ordinary request to start or get an exercise, select the first compatible
entry not already shown or rejected in this conversation. In a fresh
conversation this is the first entry in the filtered list. Open only its linked
detail file and present the complete exercise without performing it.

For an explicit first, second, or numbered request, use that position in the
filtered list, even if it was already shown. Positions are relative to the
compatible route, not the global `order` value. Do not invent a missing
position. For a named exercise, select it only if present in that route. If it
is missing or incompatible, explain this and optionally offer the compatible
titles. Do not substitute a different exercise without the learner choosing it.

For a catalog-only request, list the two compatible titles in order in the
resolved language. Do not open or perform a detail body.

If a selected exercise creates files and this conversation is attached to a
real or non-empty project, place one short isolation preflight before the

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Referenced files: 10 — file references are metadata, not package contents.