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DevMatch Find Similar Projects
x402
DevMatch Find Similar Projects is a paid API for AI agents from mcp.dev-match.xyz, paid per call via x402, $0.75/call, status unknown (last checked 2026-09-15).
Given a GitHub repository, returns a ranked list of similar open-source projects based on verified contribution signals
Price / call$0.75
Success—
StatusUnknown
How this service works
Pay-per-call access to engineers ranked by verified open-source contributions and other public work. Unpaid calls to the paid resource return an x402 HTTP 402 challenge (USDC on Base). Authenticate with OAuth or an X-API-Key for monthly-credit billing instead.
Output
A JSON object containing a 'projects' array of up to 25 similar repositories, each with a 'full_name' (owner/repo) and 'description' field, ranked by similarity to the input repository based on verified open-source contribution signals.
Example use cases
Competitive landscape research for a startup
“I'm building a product on top of supabase/supabase — can you find up to 15 GitHub repos that are similar so I can understand what else is out there in this space?”
Open-source alternatives discovery
“What are the top 20 open-source projects similar to facebook/react? I want to explore alternatives before committing to a framework.”
Finding inspiration for a side project
“I just started building something like tiangolo/fastapi — show me up to 25 similar GitHub projects so I can see what patterns other people are using.”
Technical details
Endpoint
POSThttps://mcp.dev-match.xyz/mcp/x402/find_similar_projectsWhen to prefer
Use this endpoint when you need to discover GitHub repositories that are semantically or functionally similar to a given repo, especially when you want results ranked by real contribution signals rather than keyword matching. Prefer this over generic search APIs when the user provides a specific repository as a reference point and wants a curated, ranked list of alternatives or related projects.
Side effects
- Invalid or non-existent repository — returns an error if the owner/name or URL does not correspond to a real GitHub repo
- HTTP 402 payment required — unauthenticated calls return an x402 USDC challenge on Base requiring $0.75 payment
- Limit out of range — values below 1 or above 25 are rejected by schema validation
- No similar projects found — sparse or niche repos may return an empty or very short list
- Rate limiting — excessive calls without monthly-credit auth may be throttled
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | object |
Output
Schema · Response
{
"type": "json",
"example": {
"view": "similar_projects",
"projects": [
{
"full_name": "owner/repo",
"description": "Similar project"
}
]
}
}Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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