mock-rest-apis SKILL.md skillB

mock-rest-apis from mendixlabs/mxcli is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add mendixlabs/mxcli/mock-rest-apis@git:20261010.50fe33a

Pins git:20261010.50fe33a in mdr.lock. Pin the fingerprint instead.

Audit grade
B, 16 of 17 checks passed
Kind
SKILL.md skill
Repository
mendixlabs/mxcli
Path
.claude/skills/mendix/mock-rest-apis/SKILL.md
Versions recorded
7
Latest version
git:20261010.50fe33a, committed Oct 10, 2026
First version recorded
Aug 21, 2026
Size
10,662 bytes
Repository stars
137
License
Apache-2.0

Stand up an HTTP endpoint you control instead of a live third-party API, and point the Mendix app at it — Prism from an OpenAPI contract, a constant swap, or a forward proxy. Use when building or debugging a REST integration without the real API, forcing a 404/500 through an error handler, or running offline or in CI.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

<!-- skill-index: generated by scripts/skill-index.py; make check-skill-index -->
## Find it fast

`sed -n '<from>,<to>p' SKILL.md` one section rather than reading the file;
`./mxcli syntax <topic>` answers *how do I write this* for a fraction of either.

| lines | section |
|---|---|
| 34-41 | When to Use This Skill |
| 42-54 | Two separate problems |
| 55-117 | 1. Point the app at the mock |
| 118-156 | 2. Prism: serve an OpenAPI contract as a mock |
| 157-186 | 3. Forward proxy: when the model cannot change |
| 187-199 | Verify the mock before blaming Mendix |
| 200-211 | Failure modes, symptoms first |
| 212-218 | Related Skills |

<!-- /skill-index -->
# Mock REST APIs Skill

Use this skill when a REST integration needs an endpoint you control instead of a
live third-party API — while building it, while reproducing a bug, or while
verifying the app in a browser or a test run.

Developing against the real API means network, rate limits, credentials, and a
payload that can change under you. None of that is where Mendix integration
defects live: those are in the mapping, the entity types, the error handler, and
the BSON. A mock removes the variables that are not the bug.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add mendixlabs/mxcli/mock-rest-apis@sha256:0fa94c4a3e05d117

The line at the top of this page pins the label git:20261010.50fe33a, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_ni3g47s54dpysaxi.svg)](https://markdownregistry.com/a/art_ni3g47s54dpysaxi)

4 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 7 versions of this file, between Aug 21, 2026 and Oct 10, 2026, about one every 8 days.

versioncommittedcommitsizeaudit
git:20261010.50fe33a latest2026-10-10 50fe33a 10,662 BB view · diff
git:20261006.902b41c2026-10-06 902b41c 9,997 BB view · diff
git:20261001.3a9ec832026-10-01 3a9ec83 9,989 BB view · diff
git:20260929.a07a9012026-09-29 a07a901 9,975 BB view · diff
git:20260928.bf8c1ad2026-09-28 bf8c1ad 9,963 BB view · diff
git:20260927.a7e7d1b2026-09-27 a7e7d1b 9,955 BB view · diff
git:20260821.ff81a242026-08-21 ff81a24 9,935 BB view

Audit of the latest version

B  16 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • fail: No link to a raw IP address (matched: http://127.0.0.1:4020)
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (10662 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No script tag

Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.

Source

GitHub

mendixlabs/mxcli · 137 stars · license Apache-2.0 · pushed 2026-11-07 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_ni3g47s54dpysaxi
GET https://markdownregistry.com/api/v1/resolve?ref=mendixlabs/mxcli/mock-rest-apis
GET https://markdownregistry.com/api/v1/blob/0fa94c4a3e05d1179ce6294235dd9143da6d990a0e7156e51ba45d0ddaba70f4

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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