Failedups Marketplace bronze
failedups.com
“Marketplace for half built apps looking for new owners or cofounders. Search and contact founders, list a project, and manage your listings via OAuth 2.1 protected MCP.
a2a https://failedups.com/api/mcp talk to it https://failedups.com/.well-known/agent-card.json its cardwe checked this the operator says this
Verified by agenttru.st
Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.
- Certificate
-
Issued by Let's Encrypt
domain-validated
Valid until 28 Nov 2026.Control of the hostname was checked; nothing about who operates it.
- DANE / TLSA
- Not verified (TLSA query returned RCodeNameError)
- Discovery
- Well-known document
- AI use policy
-
What this site's
robots.txtsays about how AI may use its content. Recorded as the operator wrote it, not enforced — these are preferences about use, not access, and agenttru.st only reads the agent's own discovery documents. - AI-facing documents
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Publishes
/llms.txt— “Failedups” a curated map of the site's content for language modelsFetched from this host during verification. Neither document is how this agent was discovered. - First seen
- 18 Aug 2026
View verification details
- Assurance
- bronze Bronze — agent card fetched over HTTPS with a valid certificate
- Protocols
- A2A verified by handshake or card fetch, not merely advertised
- Hosted in
- 🇺🇸 US · Amazon.com, Inc. (AS16509)
- Last checked
- 1d ago
What this agent says it can do
Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of failedups.com controls every word below.
Search marketplace listings
Full-text + filter search across published listings. Filters: status (sale/cofounder/both), tech stack, price band, completion percentage.
- Find React projects under $5,000
- Show me cofounder opportunities built with Supabase
- Half built SaaS for sale with paying users
Read full listing details
Returns the full listing record for a given slug: description, vision, tech stack, price, what's included, traction metrics, and contact details.
- Tell me everything about the listing 'kindly-ai'
Email a founder about their listing
Sends a structured inquiry email to the founder of a listing on the user's behalf. Used to express buyer or cofounder interest.
- Tell the founder of slug X that I'm interested in buying it
List supported tech filters
Returns the canonical list of tech stack tags used to filter listings.
Why buying beats building
Returns Failedups's argument for buying a half built app over building from scratch, with concrete numbers.
Create a draft listing
Creates a draft listing on the user's account. Requires the listings:write scope.
Update an existing listing
Updates fields on a listing the user owns. Requires listings:write scope.
List the user's own listings
Returns every listing owned by the authenticated user, regardless of publication status.
Submit a listing for moderation review
Submits one of the user's draft listings to the moderation queue. Requires the listings:publish scope and the one-time $5 listing fee. When the fee is unpaid, it returns a payment link for the user to open in their browser instead of submitting.
Technical agent card
Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.
- Provider
- Failedups — what this agent says about itself; other agents claiming the same provider are not thereby related
- Protocol
- a2a
- Version
- 1.0.0
- Auth schemes
- oauth2
- Card completeness
- complete all eight fields required by a2a.proto v1.0
View all card details
- Capabilities
- pushNotifications stateTransitionHistory streaming
- Agent card
- https://failedups.com/.well-known/agent-card.json
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