Packagist · packagist:mcp/sdk

mcp/sdk active

Model Context Protocol SDK for Client and Server applications in PHP

Latest stable version	0.8.1
Published	2026-08-29 23:10:56+00:00
Install	`composer require mcp/sdk`
Required PHP version (composer.json)	`PHP ^8.1`
License	Apache-2.0
Advisories on latest version	none known
Last verified	2026-10-09 03:01:10 UTC
Sources	api.osv.dev, repo.packagist.org

Maintenance

Activity	active
Last stable release	2026-08-29 23:10:56 UTC · 40 days ago
Stable releases in the last 12 months	12
Published versions	12

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

Version history

Version	Published
`0.8.1`	2026-08-29 23:10:56 UTC
`0.8.0`	2026-08-24 23:12:29 UTC
`0.7.1`	2026-08-10 20:09:23 UTC
`0.7.0`	2026-07-14 22:58:00 UTC
`0.6.0`	2026-06-02 15:47:04 UTC
`0.5.0`	2026-04-26 13:37:40 UTC
`0.4.0`	2026-02-23 21:42:54 UTC
`0.3.0`	2026-01-11 21:16:27 UTC
`0.2.2`	2025-12-28 06:32:37 UTC
`0.2.1`	2025-12-27 15:05:06 UTC
`0.2.0`	2025-12-20 07:50:08 UTC
`0.1.0`	2025-11-20 18:48:17 UTC

Showing the 12 most recent of 12 versions. JSON

Version compatibility

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

Runtime	Newest compatible version
`php 7.4`	none
`php 8.0`	none
`php 8.1`	`0.8.1`
`php 8.2`	`0.8.1`
`php 8.3`	`0.8.1`
`php 8.4`	`0.8.1`

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Frequently asked questions

What is the latest version of mcp/sdk?

The latest stable version of mcp/sdk is 0.8.1, published on 2026-08-29. Verified by Vigia on 2026-10-09.

How do I install the latest version of mcp/sdk?

Run composer require mcp/sdk. The latest stable version is 0.8.1 (verified 2026-10-09).

Is mcp/sdk deprecated?

No. mcp/sdk is not marked as deprecated in the registry.

Which PHP version does mcp/sdk require?

mcp/sdk 0.8.1 declares this requirement: PHP ^8.1.

Does mcp/sdk 0.8.1 have known vulnerabilities?

No known advisories affect mcp/sdk 0.8.1 according to the data Vigia checks.

Is mcp/sdk still maintained?

mcp/sdk published 12 stable releases in the last 12 months; the most recent was 40 days ago. Activity: active.

Observed changes

No changes observed yet since Vigia started tracking this package.

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