getlago/lago

GitHub
https://github.com/getlago/lago

Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

  • analytics
  • billing
  • clickhouse
  • events
  • fintech
  • go
  • ingestion
  • invoices
  • metering
  • open-source
  • payments
  • pricing
  • pricing-data-science
  • react
  • ruby
  • self-hosted
  • subscriptions
  • usage-based-billing
Stars:
10.8k
Language:
Go
Default branch:
main
Last scored:
Overall

At a glance

Rank
#381 of 401
#39 of 40 Go repos
Checks passed
5 of 17
Full list below
Best set up for
Devin
Score 49.2
Needs most work for
Cursor
Biggest fix: Cursor rules (.cursor/rules) (+11.5 pts)

What it has

What it's missing

What to fix first

Pick an AI agent

Showing fixes for Claude Code

  1. 1
    AGENTS.md / CLAUDE.md
    Add an AGENTS.md covering project goals, layout, setup commands, and conventions. Aim for 800+ chars of real guidance (not boilerplate).
    +13.2 pts
  2. 2
    Dependency manifest
    Commit a proper manifest (package.json, pyproject.toml, Cargo.toml, go.mod, etc.) plus a lockfile.
    +9.2 pts
  3. 3
    Linter / formatter config
    Configure a linter/formatter (ESLint+Prettier, Biome, Ruff, rustfmt+clippy, golangci-lint) and commit the config.
    +7.9 pts

Score for each AI agent

Each agent weighs the checks by its own docs. Under each score are its top three. How each agent is scored →

Devin
#371 of 401
49.2
  • ~Reproducible dev env
  • ✗Dependency manifest
  • ~Test suite
Claude Code
#379 of 401
49.1
  • ✗AGENTS.md / CLAUDE.md
  • ~Test suite
  • ~Reproducible dev env
OpenHands
#367 of 401
48.3
  • ✓CI configuration
  • ✗Dependency manifest
  • ~Reproducible dev env
Codex
#381 of 401
47.5
  • ✗AGENTS.md / CLAUDE.md
  • ✓README
  • ~Test suite
Kimi Code CLI
#381 of 401
44.3
  • ✗AGENTS.md / CLAUDE.md
  • ~Test suite
  • ✗Dependency manifest
Pi
#383 of 401
42.0
  • ✗AGENTS.md / CLAUDE.md
  • ~Test suite
  • ✗Linter / formatter config
Gemini CLI
#381 of 401
41.5
  • ✗GEMINI.md
  • ✓README
  • ~Test suite
Aider
#378 of 401
40.1
  • ✗.aider.conf.yml
  • ✗Linter / formatter config
  • ~Test suite
Cursor
#387 of 401
37.2
  • ✗Cursor rules (.cursor/rules)
  • ✓README
  • ✗Type configuration

Does getlago/lago have agent instructions?

An AGENTS.md (or CLAUDE.md) at the root tells AI coding agents how to build, test and work in the repo. A few agents also read a file of their own.

AGENTS.md / CLAUDE.md
None at the root (no AGENTS.md, CLAUDE.md, AGENT.md, .claude/CLAUDE.md or .claude/AGENTS.md)
Agent-specific files
None: no GEMINI.md, .cursor/rules, .openhands/setup.sh, .aider.conf.yml or .agents/skills
Repos that have one
23 of 40 Go repos · 221 of 401 repos on the leaderboard · See examples →
Get a starter AGENTS.md

From the files the checks found. Fill in the commands, then commit it at the root.

# AGENTS.md

Guidance for AI coding agents working in getlago/lago. Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics. Written mainly in Go.

## Where things are

- Test files are spread through the tree, e.g. `events-processor/cache/billable_metric_filters_test.go`.
- CI is defined in `.github/workflows`; read it for the exact install, lint and test steps.
- A reproducible environment is defined in `docker-compose.yml`.
- Follow the conventions in `CONTRIBUTING.md`.

## Commands

<!-- Fill in the exact commands CI runs. -->
- Install: TODO
- Test: TODO
- Lint: TODO

All 17 checks · 5 passed

No .agents/skills/<name>/SKILL.md
No agent instructions file found
.aider.conf.yml· 0% pass
No .aider.conf.yml at repo root
CI configuration· 100% pass
10 GitHub Actions workflows
CONTRIBUTING guide· 100% pass
Guide present
No .cursor/rules/*.mdc or .cursorrules
No dependency manifest found
Has docker-compose.yml
GEMINI.md· 0% pass
No GEMINI.md at repo root
License file· 100% pass
License present
No linter/formatter config found
No .openhands/setup.sh
No pre-commit / husky / lefthook found
README· 100% pass
README detailed (19,235 characters)
Manageable size· 100% pass
145 files
Test suite· 70% pass
Test files detected (events-processor/cache/billable_metric_filters_test.go)
No type config found

How getlago/lago compares

vs leaderboard average
22.4 pts below
Average 66.8
vs Go average
26.6 pts below
Average 71.0
Stars among Go repos
#35 of 40

Missing here, and how many repos have it

  • Dependency manifest · passed by 92% of leaderboard repos, 95% of Go repos
  • Type configuration · passed by 68% of leaderboard repos, 93% of Go repos
  • Linter / formatter config · passed by 65% of leaderboard repos, 70% of Go repos

Passes checks most repos miss

  • Manageable size · only 16% of repos pass it

One fix for the most agents: Linter / formatter config would raise the score for all 9 agents, by up to 14.1 points.

Similar repos

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All Go repos →

Same topics, any language

Repos tagged with the same GitHub topics, most shared first.

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Agent friendly score for github/getlago/lago
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Check the score on every pull request

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