research-mcp-hq

Cited research MCP (AI infra/MCP/security): brief, compare, lookup. Fail=$0.

Cited research MCP for coding agents (API key, not OAuth). v0 niche: MCP + agent infra (hosts, auth, tool-safety). Live path: search→fetch→quote gate — query-tied excerpt packs; refuse uncited → $0 (meta.billable, quotes_verified, quote_gate, gaps). Packs $10/$25/$50; lite $0.25 / standard $0.60 / deep $1.50. Balance: GET /billing/credits. Call research_brief (quick/standard) or source_lookup; do not call compare_options or depth=deep. Quote extraction can include page chrome — treat as excerpts