npm · npm:multicodec

multicodec deprecated

JavaScript implementation of the multicodec specification

The latest stable version of multicodec is 3.2.1, published on 2021-09-02. Verified by Vigia on 2026-11-12.

Latest stable version	3.2.1
Published	2021-09-02 18:44:53 UTC
Install	`npm install multicodec@latest`
Deprecation	This module has been superseded by the multiformats module
Requires (engines)	none declared
Peer dependencies	—
Dist-tags	`latest: 3.2.1`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 12:39:17 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

Ask your AI assistant to check this

AI models are trained up to a date, so they can be wrong about versions, deprecations and vulnerabilities. Paste this into Claude, ChatGPT, Perplexity or Cursor and it will answer with the verified data on this page:

Before answering about the npm package "multicodec", check Vigia (verified, dated facts): https://vigia.coredls.cloud/v1/packages/npm/multicodec . For my whole project use https://vigia.coredls.cloud/context

Check my whole package.json

Using an AI coding agent every day? Connect Vigia once and it checks this by itself.

Maintenance

Activity	dormant
Last stable release	2021-09-02 18:44:53 UTC · 1897 days ago
Stable releases in the last 12 months	0
Published versions	45

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

Version history

Version	Published
`3.2.1` withdrawn	2021-09-02 18:44:53 UTC
`3.2.0` withdrawn	2021-08-30 17:12:11 UTC
`3.1.1` withdrawn	2021-08-24 17:03:18 UTC
`3.1.0` withdrawn	2021-06-24 17:53:29 UTC
`3.0.1` withdrawn	2021-03-02 15:34:25 UTC
`2.1.3` withdrawn	2021-03-02 15:27:59 UTC
`3.0.0` withdrawn	2021-03-02 15:25:55 UTC
`2.1.2` withdrawn	2021-03-02 15:16:53 UTC
`2.1.1` withdrawn	2021-03-02 12:38:19 UTC
`2.1.0` withdrawn	2020-12-11 17:18:48 UTC
`2.0.4` withdrawn	2020-12-11 17:11:46 UTC
`2.0.3` withdrawn	2020-12-11 16:53:42 UTC
`2.0.2` withdrawn	2020-12-11 09:01:50 UTC
`2.0.1` withdrawn	2020-09-07 14:50:10 UTC
`2.0.0` withdrawn	2020-07-31 18:03:56 UTC
`1.0.4` withdrawn	2020-07-21 10:40:41 UTC
`1.0.3` withdrawn	2020-06-27 07:39:13 UTC
`1.0.2` withdrawn	2020-06-16 09:15:58 UTC
`1.0.1` withdrawn	2020-03-16 16:11:26 UTC
`1.0.0` withdrawn	2019-12-23 09:00:09 UTC

Showing the 20 most recent of 45 versions. JSON

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 Cursor Add 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 multicodec?

The latest stable version of multicodec is 3.2.1, published on 2021-09-02. Verified by Vigia on 2026-11-12.

How do I install the latest version of multicodec?

Run npm install multicodec@latest. The latest stable version is 3.2.1 (verified 2026-11-12).

Is multicodec deprecated?

Yes. The registry marks multicodec as deprecated. Message from the maintainers: "This module has been superseded by the multiformats module"

Which Node.js version does multicodec require?

multicodec 3.2.1 does not declare a Node.js version requirement.

Does multicodec 3.2.1 have known vulnerabilities?

No known advisories affect multicodec 3.2.1 according to the data Vigia checks.

Is multicodec still maintained?

multicodec published 0 stable releases in the last 12 months; the most recent was 1897 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/multicodec/version.svg)](https://vigia.coredls.cloud/npm/multicodec)
[![maintained](https://vigia.coredls.cloud/badge/npm/multicodec/maintained.svg)](https://vigia.coredls.cloud/npm/multicodec)
[![status](https://vigia.coredls.cloud/badge/npm/multicodec/status.svg)](https://vigia.coredls.cloud/npm/multicodec)

For agents

GET https://vigia.coredls.cloud/v1/packages/npm/multicodec
GET https://vigia.coredls.cloud/v1/packages/npm/multicodec/versions/{version}