ProofStack
Audited business-model case-study library for AI agents — search 40+ evidence-graded indie software cases, fetch full case details with dated source links, and query pricing benchmarks (median first paid tier, paywall distribution). Tools: search_cases, get_case, pricing_benchmarks. Streamable HTTP endpoint at https://proof-stack-lake.vercel.app/mcp, public read-only. Listed in the official MCP Registry as app.vercel.proof-stack-lake/proofstack.
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