{"uid":"cap_SBxWQeBujqsdxT8AefGs6","slug":"devmatch-find-similar-projects-2cdedab2","name":"DevMatch Find Similar Projects","description":"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.","url":"https://mcp.dev-match.xyz/mcp/x402/find_similar_projects","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"type":"object","required":["repo"],"properties":{"repo":{"type":"string","description":"owner/name or github URL"},"limit":{"type":"integer","maximum":25,"minimum":1}}}}},"responseSchema":{"type":"json","example":{"view":"similar_projects","projects":[{"full_name":"owner/repo","description":"Similar project"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.75","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.75/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.75","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.75","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_sj_fu8V-p7HMi6IqNT6jT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.75","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Given a GitHub repository, returns a ranked list of similar open-source projects based on verified contribution signals","exampleAgentPrompt":"Find up to 10 open-source projects similar to vercel/next.js on GitHub using DevMatch's project similarity search.","exampleUseCases":[{"title":"Competitive landscape research for a startup","prompt":"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?"},{"title":"Open-source alternatives discovery","prompt":"What are the top 20 open-source projects similar to facebook/react? I want to explore alternatives before committing to a framework."},{"title":"Finding inspiration for a side project","prompt":"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."}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:31:14.246Z","isFirstParty":false}