OpenAI 2026 hackathon

RetryProof

Break your automation before retries do.

Solo project by MarMar Labs · 1 likes · 0 comments

Archive position — measured, not model output

1 like on Devpost

506 of the 7,856 archived projects have more likes, and 1,758 share exactly 1 — so this project's #1,823 place in the like-ranked listing is a tie-break inside that group, not a ranking.

Projects (log scale)

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Likes on Devpost. ▲ marks this project's group.

Show the figures
LikesProjectsShare of archive
05,59271.2%
11,75822.4%
22853.6%
3–41321.7%
5–9751.0%
10+140.2%
Devpost like counts for all 7,856 archived projects, captured when this archive was built.

Executive Summary

What the company appears to be

RetryProof is a self-reported TypeScript/React application designed to test and validate retry logic in declarative workflow systems (specifically n8n), using GPT-5.6 and Codex for structured analysis and repair, with deterministic simulation and mock-only execution.

What changed

The project was built as part of the OpenAI 2026 hackathon, with no evidence of prior development or commercial traction. It is a single-developer effort (team size: 1) that presents itself as a proof-of-concept tool for validating automation workflows before retries cause issues.

Single most important open question

Is there any evidence of real-world adoption or usage beyond the hackathon demo, and what is the actual commercial viability of the core idea?

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What The Product Actually Is

The description states that RetryProof is a TypeScript/React application with strict schemas at untrusted boundaries. It imports and canonicalizes a pinned subset of n8n workflows, fails closed on unsupported nodes, and uses GPT-5.6 for structured analysis and Codex for repair.

It includes:

  • A deterministic simulator with mock adapters, logical time, and an invariant oracle.
  • A private Replit worker for secure execution.
  • PostgreSQL storage for anonymous sanitized session state.
  • A public API that calls a private worker using HMAC-bound requests.
  • A repair-contract design and validation chain involving human approval and deterministic replay.

The system is described as streaming real, signature-verified progress events during repair and does not accept candidates until deterministic replay passes.

Inference RetryProof appears to be a tool for validating retry logic in declarative workflows by simulating faults and generating repairs using AI models, under strict control of execution and human oversight. It is not a general-purpose automation platform but a specialized validation tool.

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Positioning & Claim Evolution

The tagline “Break your automation before retries do” positions RetryProof as a proactive tool for identifying and fixing retry-related failures in workflow systems.

The author states that the product was built to validate retry logic in declarative workflows, using AI models like GPT-5.6 and Codex to simulate faults and propose repairs, while maintaining deterministic execution and mock-only effects.

There is no evidence of prior positioning or evolution beyond this hackathon project. The claims are self-reported, and there is no indication of a broader product roadmap or market strategy.

Inference RetryProof positions itself as a debugging and validation tool for workflow automation, with an emphasis on AI-assisted fault simulation and repair. It does not appear to be a commercial product yet, but rather a prototype built for demonstration.

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Target Customer & ICP

The description states that RetryProof is designed for users of n8n declarative workflows who want to test retry logic before it causes production issues.

It targets developers or system architects working with automation tools and seeking to validate their retry behavior in a controlled, deterministic environment.

There is no evidence of customer interviews, personas, or market research beyond the author’s own account. No specific use cases or verticals are mentioned.

Inference The ICP (Ideal Customer Profile) appears to be developers or DevOps engineers working with n8n or similar workflow tools, who want to validate retry logic before deployment.

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Business Model & Pricing Evidence

There is no evidence of pricing, monetization strategy, or business model in the description. The project is presented as a hackathon submission and not as a commercial offering.

Inference No business model or pricing information is evidenced. It is unclear if RetryProof intends to be sold, offered as SaaS, or used internally.

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Technical & Delivery Signals

The system uses:

  • n8n for workflow import
  • GPT-5.6 via OpenAI Responses API with structured output
  • Codex SDK in a temporary workspace with disabled network/web search and ephemeral credentials
  • React/Express.js for UI and backend
  • PostgreSQL for session state
  • Replit for deployment (public autoscale app, private reserved VM worker)
  • RFC 6902 JSON Patch for patching workflows
  • Vitest and Testing Library for testing

The system is described as:

  • Deterministic with mock-only execution
  • Using HMAC-bound requests
  • Streaming real-time progress events
  • Requiring deterministic replay before accepting repairs
  • Failing closed on unsupported nodes

Inference RetryProof shows strong technical design, including secure AI usage, deterministic simulation, and strict validation. However, it is not yet a production-ready commercial product.

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Traction & Maturity Signals

The project was built as part of a hackathon, with no evidence of prior traction, revenue, or user adoption.

It includes:

  • A hosted demo
  • A GitHub repository
  • A YouTube video
  • A public presentation

There is no evidence of:

  • Customers
  • Revenue
  • Usage metrics
  • Product-market fit
  • Commercial deployment

Inference RetryProof has no demonstrated traction or maturity beyond a hackathon prototype. It is not a product in the market yet.

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Competitive Context

The description does not mention any competitors, nor does it describe how RetryProof compares to existing tools for workflow validation or retry logic testing.

There is no evidence of:

  • Market analysis
  • Competitor benchmarking
  • Product differentiation

Inference No competitive context is evidenced. It is unclear whether similar tools exist in the market or what RetryProof’s unique value proposition might be beyond its hackathon design.

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Key Risks & Red Flags

  • Unverified claims: The project is self-reported and unverified; no third-party validation.
  • No commercial traction: No evidence of customers, revenue, or usage beyond a demo.
  • Single developer team: Team size is 1, which may limit scalability or long-term maintenance.
  • AI dependency: Heavy reliance on GPT-5.6 and Codex, which are not publicly available or stable.
  • Limited scope: The system only supports a pinned subset of n8n nodes, with no indication of expansion plans.
  • No production use case: No evidence that the tool is being used in real-world workflows.

Inference RetryProof is a highly experimental prototype, not a product ready for commercial deployment or adoption. Risks include lack of traction, scalability, and AI dependency.

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Diligence Questions To Ask The Founders

  1. What is the actual use case that drove this project? Was it a real problem in your workflow automation?
  2. How does RetryProof plan to scale beyond the current pinned n8n node support?
  3. Are there any plans for monetization or commercial deployment?
  4. What are the limitations of the deterministic simulation and mock-only execution approach?
  5. How would you handle real-world credentials or effects if they were ever required?
  6. What is the long-term vision for this tool beyond a hackathon demo?

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Investment/Partnership Verdict

RetryProof is presented as a hackathon prototype with strong technical design and clear intent to validate retry logic in automation workflows.

It is not evidenced to have:

  • Revenue
  • Customers
  • Traction
  • Commercial viability
  • A defined business model

The project shows potential for further development, but it is not ready for investment or partnership at this stage.

Inference RetryProof is a pre-product prototype, not a commercial opportunity. It may be of interest to investors or partners looking to explore AI-assisted workflow validation, but it is not yet a viable product.

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Source

Submitted to the OpenAI 2026 hackathon on Devpost. Project home on DevPost.

The analysis above was generated by a language model from the project's own one-line description. It is not independent research and contains no verified traction, revenue or customer data.