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mcp-fuzz
v0.1.1 ExperimentalSchema-aware fuzzer for Model Context Protocol (MCP) servers — generates hostile and boundary payloads from each tool's inputSchema, detects crashes & hangs, and emits SARIF.
MIT Edition 2021 MSRV 1.86
Quick Verdict
- ✓Actively maintained (updated 22d ago)
- !Pre-1.0: API may have breaking changes
- ✓Permissive license (MIT)
Security
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Downloads
33
Dependents
0
Releases
2
Size
21KB
Deep Insights
📊
Download activity
33 downloads in the last 30 days (1/day avg).
📐
Compact crate
At 20KB, mcp-fuzz is lightweight. Small crate size correlates with focused, well-scoped functionality.
Health Breakdown
Maintenance 13/25
Recency, release consistency, active ratio
Quality 14/25
Yanked ratio, deps, size, maturity, features
Community 6/20
Reverse deps, ownership, ecosystem
Popularity 2/15
Downloads, momentum, growth trend
Documentation 12/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
0/day avg
Version Adoption
v0.1.1
58%
v0.1.0
42%
Release Timeline
2 releasessince 2026
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LessMore
Feature Flags
default =["http"]
http*
README
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Maintainers
Dependencies
8
direct dependencies
Dependents
0
crates depend on mcp-fuzz