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rust-mcp-sdk

v0.9.0 Experimental

An asynchronous SDK and framework for building MCP-Servers and MCP-Clients, leveraging the rust-mcp-schema for type safe MCP Schema Objects.

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

Quick Verdict

  • โœ“Actively maintained (updated 14d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 288 crates
  • !Heavy dependency tree (30 direct deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
97.3K
Dependents
288
Releases
40
Size
149KB

Deep Insights

๐Ÿ“Š
Steady growth

16.9K downloads in the last 30 days (564/day), up 18% from the previous period.

๐Ÿ”—
Moderate adoption

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

๐Ÿ“ฆ
Heavy dependency tree

30 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include scim-server, metis-docs-mcp, rust-mcp-server-syncable-cli, mcp-discovery, google-gemini-rs. When high-quality crates choose rust-mcp-sdk, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 13/20

Reverse deps, ownership, ecosystem

Popularity 6/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
464/day avg+59%
02004006008001K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.8.3
33%
v0.4.2
20%
v0.8.2
20%
v0.4.7
15%
v0.7.3
13%

Release Timeline

40 releasessince 2025
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Feature Flags

default =["client", "server", "auth", "macros", "stdio", "sse", "streamable-http", "hyper-server", "ssl"]

sse*ssl*auth*stdio*client*macros*server*hyper-server*streamable-http*tls-no-provider

README

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Maintainers

Dependencies
30
direct dependencies
Dependents
288
crates depend on rust-mcp-sdk

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