OSS Tanbou
View on GitHub

Sure — The community-maintained Maybe successor advancing personal finance with budgets, goals, passkeys, and MCP

OSS health 93
About these scores

Discovery score is an unbounded weighted, log-compressed index of stars, watchers, forks, and contributors. Growth momentum is its change over the observed period; OSS health is a 0–100 score from available repository recency, Community Health, and release data.

Stars
9,944
Primary language
Ruby
License
AGPL-3.0
Repository last updated
Sep 16, 2026

Overview

Sure is an AGPL-3.0 community fork of the discontinued Maybe Finance codebase. It can be used from browsers, desktop/mobile clients, APIs, and LLM agents, with Docker self-hosting as a primary path. v0.7.4 adds a new `/plan` area for budgets and goals, passwordless passkey login, and expanded MCP/external-AI harness work.

Features and best fit

Based on official documentation; not hands-on tested · Content checked:

Continue the Maybe personal-finance foundation under active community maintenance

The README explicitly identifies Sure as a community fork of the abandoned Maybe Finance repository. The self-hosted system is accessible through the web app, macOS desktop, mobile, API clients, and LLM agents.

Sources: [2]

v0.7.4 unifies budgets and goals, adds passkey login, and expands MCP workflows

Version 0.7.4 introduces a /plan area with envelope-style goals, passwordless passkey login, and more external-AI/MCP work for structured financial analysis. The planning experience is still marked as a preview feature.

Sources: [4]

For users who want an actively maintained self-hosted successor to Maybe or a finance codebase they can extend

It fits people who value Maybe's model and Rails codebase but want community maintenance rather than an archived upstream. The official Docker image also includes tuning for relatively small hosts.

Sources: [2][3]

Evaluate v0.x maturity, preview features, registration controls, and the AI data path separately

The /plan work in v0.7.4 is preview functionality. The Docker guide exposes Open/Invite-only/Closed onboarding modes, so public instances should review registration after creating the initial account. External AI assistants access financial data through Sure's MCP endpoint, making tokens, allowlists, Pipelock, and destination controls part of the security model.

Sources: [4][3]

Official sources

  1. [1]we-promise/sure — GitHub repository metadata(2026-09-16)
  2. [2]Sure — README(2026-09-16)
  3. [3]Sure — Docker self-hosting guide(2026-09-16)
  4. [4]Sure v0.7.4 release(2026-09-16)
Supplemental curator note

Sure is more than a static Maybe fork: v0.7.4 advances planning, passkeys, and MCP. It is still a v0.x product with preview features, so upgrades deserve validation before treating it as a financial source of truth.

Try it in 3 steps

  1. 1

    Prepare a self-host directory

    Use the dedicated Docker self-hosting guide rather than the contributor development flow.

    mkdir -p ~/docker-apps/sure && cd ~/docker-apps/sure
  2. 2

    Download the official Compose file

    For public hosting, also configure .env, SECRET_KEY_BASE, POSTGRES_PASSWORD, TLS, and WebAuthn settings.

    curl --fail --location --silent --show-error --output compose.yml https://raw.githubusercontent.com/we-promise/sure/main/compose.example.yml
  3. 3

    Start Sure

    After creating the first account, switch onboarding to Closed or Invite-only if self-service registration should not remain open.

    docker compose up -d → http://localhost:3000
Check the official README

Growth

Growth trends · Last 30 days

9,944 Stars

Trend data is still being collected.

Development activity

Last 90 days · weekly

Commits (last 30 days)
284
Open PRs
187

Development activity is still being collected.

Built with

Categories and tags

Categories

Tags

GitHub data

GitHub dataView detailed GitHub data
View on GitHub
Stars
9,944
Forks
488
Watchers
39
Open issues
346
Primary language
Ruby
License
AGPL-3.0
Repository last updated
Sep 16, 2026
Write a related article

Share a guide or use case for this OSS in Markdown. Articles are published after administrator approval.

Report incorrect information

Tell us if any listing information is incorrect or outdated.