rmcp
v2.2.0 StableRust SDK for Model Context Protocol
Quick Verdict
- ✓Actively maintained (updated 5d ago)
- ✓Stable API (2.x for 1+ years)
- ✓Massive adoption (18.3K crates depend on it)
- !Heavy dependency tree (43 direct deps)
- ✓Permissive license (Apache-2.0)
Security
Deep Insights
3.2M downloads in the last 30 days (105.7K/day), up 19% from the previous period.
18.3K crates depend on rmcp — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.
Reached 1.0 over a year ago. The API surface is settled, making it safe for production use.
43 direct dependencies. Consider the impact on compile times and supply chain complexity.
Notable dependents include rig-core, smg-mcp, html-to-markdown-rs, mise, pctx_config. When high-quality crates choose rmcp, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata
Download Trend
Top Dependents
Most downloaded crates that depend on rmcp
Version Adoption
Release Timeline
Feature Flags
default =["base64", "macros", "server"]