# a2o/snoopy

Snoopy Command Logger is a small library that logs all program executions on your Linux/BSD system.

Repository: https://github.com/a2o/snoopy
Canonical: https://ross.abutalabs.com/products/snoopy
Language: C
License: GPL-2.0
License Family: copyleft
Topics: logging, logger, command-line-logger, program-execution-logger, snoopy-logger, snoopy, linux, bsd
Last push: 2026-03-07T21:40:17+00:00

## Health v2 (maintenance only)
Score: 55/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 71, release rhythm 8, longevity 100
- inputs: {"age_days": 5005, "days_push": 179, "days_rel": 678, "gap_med": null, "n_releases_24m": 1}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1289, forks 159 (observed 2026-08-28T04:04:15.245822+00:00)

## What it is
Snoopy is a small C library that logs every program execution on Linux/BSD systems, typically via a shared library loaded through the dynamic linker. It emits execution events to syslog or other configured outputs for auditing and monitoring.

## Use cases
- log all commands executed on a linux server
- audit user shell activity
- track program executions for security monitoring
- record who ran what command on a shared system
- capture command history for compliance
- monitor exec calls system-wide

## When to choose
- you need system-wide command execution logging on Linux or BSD
- you want lightweight audit logging via syslog without a full SIEM agent
- you need to trace which processes and arguments were run on a host

## When to avoid
- you need tamper-proof audit logging (it can be bypassed and is not a security boundary)
- you are on Windows or macOS
- you need full process telemetry beyond exec events

## Facets
- artifact type: library
- maturity: stable
- function: logging, monitoring, security
- domain: security, monitoring, operating-systems, developer-tools
- platform: bsd, c
- tags: command-logger, audit, execve-wrapper, system-monitoring, ld-preload, linux

## Member repositories
- a2o/snoopy (main) score 55

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:15.245822+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:55:43.152945+00:00, confidence not recorded.
  - readme: https://github.com/a2o/snoopy (fetched 2026-08-28T04:04:15.245822+00:00, sha d7fa1339c26f)
- Data as of 2026-08-30T08:39:29.467469+00:00.