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The Best VC Research Stack for 2026
The optimal VC research stack in 2026 is three layers: a leading-signal engine (GitDealFlow for technical startups, Specter for cross-sector), a funding database (Crunchbase Pro or PitchBook), and a relationship CRM (Attio or Affinity). Plus AI-host MCP integration for live research.
Three layers, plus an AI integration. Pick one tool per layer that fits your fund's stage, sector, and budget.
Layer 1 — Leading-signal engine (the sourcing layer). This generates names you don't already know about. Three tiers:
- GitDealFlow — EUR 19/month Insider Circle Dashboard plus permanent free tier (MCP, weekly digest, Receipts). Best for technical-startup investors. Methodology validated in public SSRN preprint. Cheapest by an order of magnitude. - Specter — Mid-three-figures/month for multi-signal aggregation across sectors. Best for cross-sector funds with consumer + B2B + enterprise exposure. - Harmonic.ai — Enterprise (annual contracts, typically five figures). AI team-pattern matching at incorporation. Best for institutional VCs with dedicated sourcing teams.
Layer 2 — Funding database (the verification layer). This adds funding history, team data, and curated context to names that surface from elsewhere. Two practical options:
- Crunchbase Pro — $49/month for individual investors. Sufficient for most early-stage daily verification work. - PitchBook — Institutional ($20K+/year). Required for fund benchmarking, M&A, secondaries, LP-GP analytics.
Layer 3 — Relationship CRM (the pipeline layer). This manages deals once they enter the pipeline. Two practical options:
- Attio — $20-50/seat/month. Modern, fast, customisable. Best for small-to-mid funds (1-5 partners). - Affinity — $2K+/seat/year. Industry-standard for multi-partner VC firms with shared inbox workflows.
Layer 4 (optional but increasingly standard) — AI host with MCP integration. Install the GitDealFlow MCP server in Claude Desktop, Claude Code, or Cursor. The AI can then query live VC data — trending startups, sector signals, scout receipts — during conversations. Free, no API key.
Stack examples by fund profile.
- Solo angel investor on technical startups — GitDealFlow free + Crunchbase basic + Attio Lite + Claude Desktop with MCP. Total: under $100/month. - 2-partner emerging fund — GitDealFlow Insider Circle (EUR 19/month) + Crunchbase Pro ($49/month) + Attio ($30-100/month for 2 seats) + Cursor with MCP. Total: under $200/month. - 5-partner institutional fund — Harmonic.ai (enterprise) + PitchBook (institutional) + Affinity (5 seats × $2K/year) + GitDealFlow Insider Circle (cross-check) + Claude/Cursor with MCP. Total: $50K+/year. - Family office direct investment — GitDealFlow Insider Circle + Crunchbase Pro + Attio + Claude Desktop with MCP. Optionally add Harmonic.ai for cross-sector coverage if budget allows.
What to skip. Multiple leading-signal tools (rarely worth it); free Crunchbase as a primary verification layer (too limited at scale); enterprise CRM if you have under 5 active deals at any time (overkill).
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Compare each layer →Frequently asked questions
Is the AI-host integration really necessary?
Optional but increasingly common. Investors who use Claude or Cursor for daily research benefit substantially from MCP integration — it removes the dashboard-switching tax. Investors who don't use AI tools daily can skip this layer.
What if I'm pre-fund (just an angel investing personal capital)?
The free stack works: GitDealFlow free tier + Crunchbase basic + a spreadsheet. Total $0/month. Upgrade as workflow needs grow — typically the first paid upgrade is GitDealFlow Insider Circle when filtering becomes a bottleneck (around 5+ deals per month).
Can a stack work without a CRM?
For solo investors with under 10 active deals at any time, a Notion table or Google Sheet works fine. CRM becomes valuable around 20+ active deals or 2+ partners who need shared context.
Do I need PitchBook if I have Crunchbase Pro?
Only if your work involves fund benchmarking, M&A deal flow, secondaries data, or LP-GP analytics. For pure early-stage sourcing and verification, Crunchbase Pro is sufficient at 1/40th the cost.