Ross ROSS = Recommend OSS · open-source software intelligence for agents

microsoft/onefuzz

A self-hosted Fuzzing-As-A-Service platform observed · 2026-08-28

github.com/microsoft/onefuzz · C# · MIT (permissive) · archived observed · 2026-08-28

Health v2 · maintenance only

10/100

  • Activity 0
  • Release rhythm 8
  • Longevity 100

Flags: archived

How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.

  • gap_med: n/a
  • age_days: 2228
  • days_rel: n/a
  • days_push: 1036
  • n_releases_24m: 0

Full methodology

Adoption not part of the score

2824 stars · 203 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

OneFuzz is a self-hosted Fuzzing-As-A-Service platform that lets developers launch continuous fuzzing jobs from a few VMs to thousands of cores, with built-in ensemble fuzzing, crash triage, and de-duplication. It was open sourced by Microsoft but was archived in late 2023 as development moved to an internal service.

Use cases

  • run fuzzing at scale in ci/cd
  • find crashes in my software automatically
  • self-host a fuzzing service
  • triage and dedupe fuzzing crashes
  • run ensemble fuzzing across fuzzers
  • debug crashes found by fuzzers on demand

When to choose

  • you need scalable, developer-driven fuzzing integrated into CI/CD on Windows or Linux
  • you want programmatic crash triage, de-duplication, and notification callbacks
  • you're comfortable forking and maintaining the project yourself

When to avoid

  • you want an actively maintained project - it was archived in September 2023
  • you need turnkey hosted fuzzing without self-managing Azure infrastructure
  • you only need a simple local fuzzer rather than an orchestration platform

Facets

service · maturity abandoned

fuzzing testing ci-cd deployment security developer-tools testing windows cloud self-hosted fuzzing-as-a-service security-testing crash-triage ensemble-fuzzing microsoft archived linux docker

1 source

Member repositories

RepositoryRoleHealth v2
microsoft/onefuzzmain10

For agents

markdown · JSON · MCP: product_card(name="microsoft/onefuzz")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem