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wtf is loopy?

forward-future/loopy — explained in plain English

Analysis updated 2026-07-03 · repo last pushed 2026-07-03

2,345JavaScriptAudience · developerComplexity · 2/5ActiveSetup · moderate

TL;DR

A library of reusable AI agent workflows called 'loops' that make agents act, verify, learn, and repeat until a task is truly done. Includes a browsable catalog and a companion tool that plugs into coding agents like Cursor and Claude Code.

Mindmap

mindmap
  root((repo))
    What it does
      Reusable agent loops
      Act verify learn repeat
      Bounded workflows
    Catalog
      Browse published loops
      Copy prompts free
      No install needed
    Loopy companion
      Plugs into Cursor
      Plugs into Claude Code
      Plugs into Codex
    Use cases
      Fix production errors
      Improve test coverage
      Update documentation
      Review products
    Safety
      No auto production changes
      Requires explicit approval
      Refuses saving secrets
    Audience
      Team leads
      Founders
      Engineers using AI

Code map

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Why would anyone build with this?

REASON 1

Save a loop for sweeping documentation overnight so any engineer or agent can reuse it.

REASON 2

Have Loopy analyze your repo for repeated work and turn the strongest pattern into a bounded workflow.

REASON 3

Run a loop that improves test coverage by having the agent check its own work across multiple passes.

REASON 4

Fix production errors with an agent that retries and verifies until the fix actually works.

What's in the stack?

JavaScript

How it stacks up

forward-future/loopysveltia/sveltia-cmstrekhleb/nano-neuron
Stars2,3452,3942,268
LanguageJavaScriptJavaScriptJavaScript
Last pushed2026-07-03
MaintenanceActive
Setup difficultymoderateeasyeasy
Complexity2/52/51/5
Audiencedeveloperdevelopervibe coder

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · moderate Time to first run · 5min

Browsing the public catalog needs no install, using the Loopy companion requires plugging it into a coding agent like Cursor, Claude Code, or Codex.

No license information was provided in the explanation, so usage rights are unclear.

Wtf does this do

Most AI prompts tell an agent to do something once and hope for the best. The Loop Library project flips that idea: instead of one-shot instructions, it gives you reusable "loops", playbooks where an agent acts, checks its own work, learns from the result, and repeats until the job is actually done. Each published loop spells out what the agent should accomplish, how to verify the latest attempt worked, what to do with what it learned, and when to stop or ask for help. The result is work you can trust and repeat without rebuilding the workflow every time. The repository has two parts. First, a public website where anyone can browse published loops and copy their prompts, no installation needed. Second, an installable companion called Loopy that plugs into coding agents like Cursor, Claude Code, and Codex. With Loopy installed, your agent gains a guided workflow: it can discover repeated work in your codebase and turn it into a loop, find an existing loop from the catalog, audit and repair a loop you already have, interview you to craft a new one, run a loop in bounded passes and hand back an evidence receipt, debrief completed runs to recommend improvements, save loops to a project file for reuse, or prepare a loop for publication. You just describe what you want done in plain language and Loopy figures out the path. This is useful for anyone who works with AI agents on tasks where the first attempt probably won't be the final answer, fixing production errors, improving test coverage, keeping documentation current, reviewing a product, or speeding up a website. A team lead might save a loop for sweeping docs overnight so any engineer (or agent) can reuse it later. A founder might ask Loopy to analyze their repo for repeated work and turn the strongest pattern into a reliable, bounded workflow. Notably, the project is deliberately conservative about safety. Loopy will not start schedules, change production, publish content, send messages, or take destructive action without explicit approval. Saved loops are treated as untrusted reference data, prompts that don't grant permission to run code or access secrets. If a loop contains secrets, Loopy refuses to save it until you sanitize the prompt. The design philosophy is that loops should be bounded, verifiable, and always hand control back to a person when judgment is needed.

Yoink these prompts

Prompt 1
Analyze this codebase for repeated work patterns and turn the strongest one into a bounded loop workflow with clear verification steps and a stopping condition.
Prompt 2
Create a loop that improves test coverage: have the agent write tests, run them, learn from failures, and repeat until coverage targets are met.
Prompt 3
Audit my existing loop file and repair any missing verification steps, stopping conditions, or safety guardrails.
Prompt 4
Interview me about a documentation update task and craft a reusable loop that checks for stale docs, updates them, and verifies the changes.
Prompt 5
Run this loop in bounded passes and hand back an evidence receipt showing what was attempted and whether it succeeded.

Frequently asked questions

wtf is loopy?

A library of reusable AI agent workflows called 'loops' that make agents act, verify, learn, and repeat until a task is truly done. Includes a browsable catalog and a companion tool that plugs into coding agents like Cursor and Claude Code.

What language is loopy written in?

Mainly JavaScript. The stack also includes JavaScript.

Is loopy actively maintained?

Active — commit in last 30 days (last push 2026-07-03).

What license does loopy use?

No license information was provided in the explanation, so usage rights are unclear.

How hard is loopy to set up?

Setup difficulty is rated moderate, with roughly 5min to a first successful run.

Who is loopy for?

Mainly developer.

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