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rust-mcp-schema

v0.10.1 Growing

Type-safe implementation of the Model Context Protocol in Rust, designed to reduce errors and accelerate development with powerful utilities.

MIT Edition 2021 MSRV 1.80.0
Data structuresParsing toolsParser implementations #protocol#model#context#schema#rust-mcp-stack

Quick Verdict

  • โœ“Actively maintained (updated 7d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 162 crates
  • โœ“Tiny footprint (884KB, 3 deps)
  • โœ“Permissive license (MIT)

Security

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Downloads
406.4K
Dependents
162
Releases
37
Size
884KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

62.6K downloads in the last 30 days (2.1K/day), up 24% from the previous period.

๐Ÿ”—
Moderate adoption

162 crates depend on rust-mcp-schema. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 1+ years old, rust-mcp-schema hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿชถ
Minimal dependencies

Only 3 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐ŸŒŸ
Used by top crates

Notable dependents include rust-mcp-sdk, rust-mcp-transport, rust-mcp-macros, mistralrs-mcp, mistralrs-core. When high-quality crates choose rust-mcp-schema, it's a strong quality signal.

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 16/25

Yanked ratio, deps, size, maturity, features

Community 12/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
2K/day avg+35%
01K2K3K4K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.9.5
45%
v0.9.6
32%
v0.10.0
19%
v0.9.4
4%
v0.10.1
1%

Release Timeline

10 releasessince 2025
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2025
5
2026
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Feature Flags

default =["2025_11_25", "schema_utils"]

draftlatest2024_11_052025_03_262025_06_182025_11_25*schema_utils*

README

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Maintainers

Dependencies
3
direct dependencies
Dependents
162
crates depend on rust-mcp-schema

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