mcp 0.21.0

The official Ruby SDK for Model Context Protocol servers and clients

Gemfile:
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install:
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Versions:

0.21.0 June 20, 2026 (93.5 KB)
0.20.0 June 14, 2026 (90 KB)
0.19.0 June 13, 2026 (83.5 KB)
0.18.0 May 30, 2026 (80.5 KB)
0.17.0 May 20, 2026 (79.5 KB)

Show all versions (26 total)

Runtime Dependencies (1):

json_schemer >= 2.4

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Authors:

Model Context Protocol

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GitHub Actions

Source Commit

modelcontextprotocol/ruby-sdk@db460e5

Build File

.github/workflows/release.yml

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Total downloads 6,695,862

For this version 2,584

Version Released:
June 20, 2026 1:15pm

License:
Apache-2.0

Required Ruby Version: >= 2.7.0

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