Vigia

npm · npm:mock-fs

mock-fs active

A configurable mock file system. You know, for testing.

The latest stable version of mock-fs is 5.5.0, published on 2025-02-06. Verified by Vigia on 2026-11-12.

Latest stable version5.5.0
Published2025-02-06 16:36:54 UTC
Installnpm install mock-fs@latest
Requires (engines){"node":">=12.0.0"}
Peer dependencies—
Dist-tagsdev: 5.1.2-dev.1636402202771 beta: 5.0.0-beta.1 latest: 5.5.0
LicenseMIT
Advisories on latest versionnone known
Last verified2026-11-12 12:36:23 UTC
Sourcesapi.deps.dev, registry.npmjs.org, registry.npmjs.org

Is your project affected?

Check my whole package.jsonGet notified of new versions (Atom)Facts for my AGENTS.md

Free, no signup. Paste your manifest and see what is outdated, deprecated or vulnerable.

Maintenance

Activitydormant
Last stable release2025-02-06 16:36:54 UTC · 644 days ago
Stable releases in the last 12 months0
Published versions87

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

VersionPublished
5.5.02025-02-06 16:36:54 UTC
5.4.12024-10-31 16:01:21 UTC
5.4.02024-10-11 15:47:18 UTC
5.3.02024-09-26 17:35:46 UTC
5.2.02022-10-28 18:03:45 UTC
5.1.42022-08-04 03:15:41 UTC
5.1.32022-08-02 21:36:20 UTC
5.1.22021-11-08 20:09:43 UTC
5.1.12021-09-23 12:38:20 UTC
5.1.02021-09-17 20:42:19 UTC
5.0.02021-05-23 17:59:56 UTC
4.14.02021-04-22 20:51:12 UTC
4.13.02020-08-20 23:27:24 UTC
4.12.02020-04-24 16:58:32 UTC
4.11.02020-02-24 21:20:21 UTC
4.10.42019-11-26 05:27:31 UTC
4.10.32019-11-03 17:58:40 UTC
4.10.22019-10-18 19:25:09 UTC
4.10.12019-06-05 03:08:26 UTC
4.10.02019-05-20 16:39:17 UTC

Showing the 20 most recent of 76 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

RuntimeNewest compatible version
node 165.5.0
node 185.5.0
node 205.5.0
node 225.5.0
node 245.5.0

Give your AI agent these facts

Vigia is a free MCP server: your coding agent checks versions, breaking changes and vulnerabilities before it writes code. No signup, no API key.

claude mcp add --transport http vigia https://vigia.coredls.cloud/mcp

Add to CursorAdd to VS Code★ Star on GitHub

Any other MCP client
{ "mcpServers": { "vigia": { "url": "https://vigia.coredls.cloud/mcp" } } }

Agent skill (SKILL.md): tells the agent when to use Vigia · GitHub Action for pull requests

Frequently asked questions

What is the latest version of mock-fs?

The latest stable version of mock-fs is 5.5.0, published on 2025-02-06. Verified by Vigia on 2026-11-12.

How do I install the latest version of mock-fs?

Run npm install mock-fs@latest. The latest stable version is 5.5.0 (verified 2026-11-12).

Is mock-fs deprecated?

No. mock-fs is not marked as deprecated in the registry.

Which Node.js version does mock-fs require?

mock-fs 5.5.0 declares this requirement: {"node":">=12.0.0"}.

Does mock-fs 5.5.0 have known vulnerabilities?

No known advisories affect mock-fs 5.5.0 according to the data Vigia checks.

Is mock-fs still maintained?

mock-fs published 0 stable releases in the last 12 months; the most recent was 644 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

Related packages

Badges for your README

Show the latest version, maintenance status and deprecation status of this package. Copy the Markdown:

[![version](https://vigia.coredls.cloud/badge/npm/mock-fs/version.svg)](https://vigia.coredls.cloud/npm/mock-fs)
[![maintained](https://vigia.coredls.cloud/badge/npm/mock-fs/maintained.svg)](https://vigia.coredls.cloud/npm/mock-fs)
[![status](https://vigia.coredls.cloud/badge/npm/mock-fs/status.svg)](https://vigia.coredls.cloud/npm/mock-fs)

For agents

GET https://vigia.coredls.cloud/v1/packages/npm/mock-fs
GET https://vigia.coredls.cloud/v1/packages/npm/mock-fs/versions/{version}