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An open source Firebase alternative

Startup credits and Agent Readiness report cards with sources you can inspect.
Which is more popular?
Based on our record, Supabase seems to be a lot more popular than Sourcey. While we know about 557 links to Supabase, we've tracked only 4 mentions of Sourcey.
Website, pricing, platforms and company facts side by side.
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| Website | supabase.com | sourcey.com |
| Pricing | ||
| Company | Startup from the United States | — |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Supabase yet.
Sourcey tests how agents can use software and records what companies offer startups. Read Agent Readiness report cards to see the task tested, observed result, blockers, and what remains unverified. Find startup credits, discounts, and programs with their terms, eligibility caveats, and original...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Sourcey yet.
Walkthroughs and reviews on video.
Basic demo
More videos
No Sourcey videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Supabase and Sourcey.
Sourcey's answer:
Sourcey ties startup offers and Agent Readiness findings to source evidence and versioned releases. A report card describes one agent task, its observed result, blockers, and unknowns. Offer records keep the vendor’s terms and eligibility caveats visible. The public record is free to read through the website, JSON, API, and MCP.
Sourcey's answer:
Founders comparing startup offers, developers evaluating whether an agent can complete a specific task with a service, and agents that consume the public record through HTTP or MCP.
Sourcey's answer:
Choose Sourcey when you need the original source behind an offer or a task-level account of what an agent could actually do. It shows uncertainty and release history alongside the finding. Sourcey does not apply for offers or redeem credits on a founder’s behalf.
Share your experience with using Supabase and Sourcey. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Supabase combines PostgreSQL with authentication, storage, realtime functionality, and other backend services, making it a great fit for teams looking for an all-in-one platform. Teams with specialized PostgreSQL...
Supabase offers an open-source PostgreSQL backend that is tailored for developers with simplicity and scalability requirements. Its fully managed infrastructure aligned with integrated APIs makes it an excellent...
Supabase: An open-source BaaS alternative to Firebase, offering instant Postgres APIs, auth, edge functions, and growing AI-ready tooling. Ideal for modern dev teams but limited in orchestration and multi-agent flows.
We have no reviews of Sourcey yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Navigate to supabase.com and select Start your project. - Source: dev.to / 16 days ago
A free Supabase account (a hosted PostgreSQL database). - Source: dev.to / 17 days ago
Provision managed resources (Postgres, MongoDB, Kafka, RabbitMQ, etc.) from DigitalOcean, Supabase, Scaleway, AWS, or Google Cloud. It doesn't really matter which; they all offer good SLAs. - Source: dev.to / 28 days ago
For example, from the Sourcey agent-readiness release Release_id sha256:371cbf65650abf5756c967b1f1da9df607be4b1bb0c0b93aaf2dcf0a36e75d3e (artifact_sha256:67c4edef061ca4ea60cef1e1bc246d2ce0b7d6b12e227c0811d7405d3d0a63ac, Effective... - Source: dev.to / 2 days ago
Doing all this by hand for every candidate got old fast, so now I lean on Sourcey, a registry that tracks exactly this. It publishes report cards that grade whether an agent can actually sign up, pay, and operate a service on its own,... - Source: dev.to / 14 days ago
Machine-readable acceptance criteria are worth more to an agent than documentation quality. A page that says we accept X, with a named artifact and its schema, is worth ten pages of tutorials, because it lets the agent verify a claim... - Source: dev.to / 29 days ago
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