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rmp

v0.8.15 Growing

Pure Rust MessagePack serialization implementation

MIT Edition 2024 MSRV 1.85
Encoding #msgpack#messagepack

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (2.0K crates depend on it)
  • โœ“Team maintained (3 owners)
  • โœ“Tiny footprint (33KB, 2 deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
92.4M
Dependents
2.0K
Releases
34
Size
33KB

Deep Insights

๐Ÿ“Š
Steady growth

7.2M downloads in the last 30 days (238.6K/day), up 11% from the previous period.

๐Ÿ”—
Widely adopted

2.0K crates depend on rmp. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ฅ
Team maintained

This crate is maintained by a team (3 owners), reducing bus-factor risk and ensuring continuity.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 10+ years old, rmp hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿชถ
Minimal dependencies

Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 33KB, rmp is lightweight. Small crate size correlates with focused, well-scoped functionality.

โš ๏ธ
Notable yanked versions

76% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include rmp-serde, opentelemetry-datadog, rmpv, pingora-cache, apollo-router. When high-quality crates choose rmp, it's a strong quality signal.

Health Breakdown

Maintenance 13/25

Recency, release consistency, active ratio

Quality 11/25

Yanked ratio, deps, size, maturity, features

Community 18/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
199K/day avg+60%
0100K200K300K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.8.14
58%
v0.8.12
19%
v0.8.11
13%
v0.8.15
7%
v0.8.10
3%

Release Timeline

34 releases26 yankedsince 2015
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2015
16
2016
2
2017
8
2018
2019
2
2020
2021
1
2022
1
2023
1
2024
2
2025
1
2026
Less
More|
Yanked

Feature Flags

default =["std"]

std*

README

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Maintainers

Dependencies
2
direct dependencies
Dependents
2.0K
crates depend on rmp

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