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cel

v0.13.0 Growing

A parser and interpreter for the Common Expression Language (CEL)

MIT Edition 2021 MSRV 1.86.0

Quick Verdict

  • โœ“Actively maintained (updated 75d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 145 crates
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
266.4K
Dependents
145
Releases
11
Size
118KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

94.5K downloads in the last 30 days (3.1K/day), up 81% from the previous period.

๐Ÿ”—
Moderate adoption

145 crates depend on cel. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 6+ years old, cel hasn't reached 1.0 yet. Expect potential API changes between versions.

๐ŸŒŸ
Used by top crates

Notable dependents include proto-types, protocheck-proc-macro, protocheck-core, limitador, prost-protovalidate. When high-quality crates choose cel, it's a strong quality signal.

Health Breakdown

Maintenance 12/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 9/20

Reverse deps, ownership, ecosystem

Popularity 6/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
2K/day avg+103%
02K4K6K8K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.12.0
31%
v0.13.0
24%
v0.11.6
21%
v0.11.0
20%
v0.11.4
4%

Release Timeline

10 releasessince 2025
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Feature Flags

default =["regex", "chrono"]

jsonbytesregex*chrono*dhat-heap

README

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Maintainers

Dependencies
14
direct dependencies
Dependents
145
crates depend on cel