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rust-rule-engine

v1.20.0 Experimental

A blazing-fast Rust rule engine with RETE algorithm, backward chaining inference, and GRL (Grule Rule Language) syntax. Features: forward/backward chaining, pattern matching, unification, O(1) rule indexing, TMS, expression evaluation, method calls, streaming with Redis state backend, watermarking, and custom functions. Production-ready for business rules, expert systems, real-time stream processing, and decision automation.

MIT Edition 2021
AlgorithmsData structuresScience #ai#engine#ml#rules#grl

Quick Verdict

  • โœ“Actively maintained (updated 10d ago)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
8.2K
Dependents
26
Releases
80
Size
1.8MB

Deep Insights

๐Ÿ“‰
Download decline

554 downloads in the last 30 days, down 68% from the previous period. May indicate migration to alternatives.

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Used by top crates

Notable dependents include rust-logic-graph, deepthought, rust-rule-miner. When high-quality crates choose rust-rule-engine, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 10/20

Reverse deps, ownership, ecosystem

Popularity 5/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
30/day avg-23%
05010015012/301/172/42/223/123/29

Top Dependents

Most downloaded crates that depend on rust-rule-engine

Version Adoption

v1.19.0
56%
v0.5.1
12%
v0.4.1
11%
v0.5.0
11%
v0.1.2
10%

Release Timeline

80 releasessince 2025
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2026
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Feature Flags

streamingstreaming-redisbackward-chaining

README

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Maintainers

Dependencies
12
direct dependencies
Dependents
26
crates depend on rust-rule-engine

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