Stacksfinder MCP Server

@stacksfinder/mcp-server

MCP (Model Context Protocol) server that brings deterministic tech stack recommendations to LLM clients like Claude, Cursor, Windsurf, and other MCP-compatible tools.

Try it free — 8 tools work without an account, including a daily demo recommendation and MCP project kit.

Quick Start

Claude Code (CLI)

# macOS/Linux
claude mcp add stacksfinder npx -y @stacksfinder/mcp-server

# Windows (requires cmd wrapper)
claude mcp add-json stacksfinder '{
  "command": "cmd",
  "args": ["/c", "npx", "-y", "@stacksfinder/mcp-server"],
  "env": {"STACKSFINDER_API_KEY": "sk_live_xxx"}
}'

# With API key (macOS/Linux)
claude mcp add-json stacksfinder '{
  "command": "npx",
  "args": ["-y", "@stacksfinder/mcp-server"],
  "env": {"STACKSFINDER_API_KEY": "sk_live_xxx"}
}'

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):

macOS/Linux:

{
  "mcpServers": {
    "stacksfinder": {
      "command": "npx",
      "args": ["-y", "@stacksfinder/mcp-server"],
      "env": {
        "STACKSFINDER_API_KEY": "sk_live_xxx"
      }
    }
  }
}

Windows:

{
  "mcpServers": {
    "stacksfinder": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@stacksfinder/mcp-server"],
      "env": {
        "STACKSFINDER_API_KEY": "sk_live_xxx"
      }
    }
  }
}

Cursor / Windsurf

Add to .cursor/mcp.json or .windsurf/mcp.json in your project root:

macOS/Linux:

{
  "mcpServers": {
    "stacksfinder": {
      "command": "npx",
      "args": ["-y", "@stacksfinder/mcp-server"],
      "env": {
        "STACKSFINDER_API_KEY": "sk_live_xxx"
      }
    }
  }
}

Windows:

{
  "mcpServers": {
    "stacksfinder": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@stacksfinder/mcp-server"],
      "env": {
        "STACKSFINDER_API_KEY": "sk_live_xxx"
      }
    }
  }
}

VS Code + Copilot

Add to .vscode/mcp.json:

macOS/Linux:

{
  "servers": {
    "stacksfinder": {
      "command": "npx",
      "args": ["-y", "@stacksfinder/mcp-server"],
      "env": {
        "STACKSFINDER_API_KEY": "sk_live_xxx"
      }
    }
  }
}

Windows:

{
  "servers": {
    "stacksfinder": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@stacksfinder/mcp-server"],
      "env": {
        "STACKSFINDER_API_KEY": "sk_live_xxx"
      }
    }
  }
}

ChatGPT Developer Mode

StacksFinder is compatible with ChatGPT Developer Mode (available on Pro, Plus, Business, Enterprise, and Education accounts).

Prerequisites

• ChatGPT Pro, Plus, Business, Enterprise, or Education account
• Developer Mode enabled in ChatGPT settings
• Note: Business/Enterprise workspaces may require admin approval

Setup Steps

1. Enable Developer Mode: Go to Settings → Apps → Advanced settings → toggle "Developer mode"
2. Create App: Go to Settings → Apps → Create
3. Enter details:
   • Name: StacksFinder
   • URL: https://smithery.ai/server/hoklims/stacksfinder-mcp/mcp (or your self-hosted URL)
   • Protocol: Streaming HTTP
   • Description: Deterministic tech stack recommendations
4. Verify: Click Create and confirm the 23 tools appear

Important Notes

• Developer Mode does NOT require search/fetch tools (those are only for Deep Research)
• Tools with readOnlyHint: true won't ask for confirmation in ChatGPT
• Rate limited to 60 requests/minute per IP
• Uses Streaming HTTP transport (not SSE)

Supported Protocols

Available Tools

Free Tools (no account required)

Estimator Tools (requires API key)

Pro Tools (requires API key)

Audit Tools (requires API key)

Project Kit Tools (no API key required)

Get your API key at stacksfinder.com/pricing

Tool Examples

list_technologies

> list_technologies category="database"

Available databases:
- postgres (PostgreSQL)
- sqlite (SQLite)
- supabase (Supabase)
- planetscale (PlanetScale)
- turso (Turso)
- neon (Neon)

analyze_tech

> analyze_tech technology="sveltekit" context="mvp"

## SvelteKit Analysis (MVP Context)

| Dimension | Score | Grade |
|-----------|-------|-------|
| Performance | 92 | A |
| DX | 88 | A |
| Ecosystem | 72 | B |
| Maintainability | 85 | A |
| Cost | 90 | A |
| Compliance | 75 | B |

**Overall: 84/100 (A)**

Strengths:
- Compiler-first architecture, tiny bundles
- Excellent TypeScript support
- Built-in SSR, SSG, and edge rendering

Weaknesses:
- Smaller ecosystem than React
- Fewer enterprise case studies

compare_techs

> compare_techs technologies=["nextjs", "sveltekit", "nuxt"]

## Comparison: Next.js vs SvelteKit vs Nuxt

| Tech | Score | Grade |
|------|-------|-------|
| Next.js | 82 | A |
| SvelteKit | 84 | A |
| Nuxt | 79 | B |

Per-dimension winners:
- Performance: SvelteKit (+10)
- DX: SvelteKit (+3)
- Ecosystem: Next.js (+15)

recommend_stack (Free Demo)

> recommend_stack projectType="saas" scale="mvp"

## Recommended Stack for SaaS (MVP)

| Category | Technology | Score | Grade |
|----------|------------|-------|-------|
| meta-framework | SvelteKit | 84 | A |
| database | Supabase | 82 | A |
| orm | Drizzle | 86 | A |
| auth | Better Auth | 80 | A |
| hosting | Vercel | 85 | A |
| payments | Paddle | 86 | A |

**Confidence**: medium (demo mode)

---
Want more? Upgrade to Pro for custom priorities, constraints, and AI narratives.

create_audit (Pro)

> create_audit name="Q1 2026 Review" technologies=[{name:"react",version:"18.2.0"},{name:"lodash",version:"4.17.20"},{name:"express",version:"4.17.0"}]

## Audit Report: Q1 2026 Review

**Health Score: 72/100** (warning)

| Severity | Count |
|----------|-------|
| [CRITICAL] | 2 |
| [HIGH] | 1 |
| [MEDIUM] | 3 |
| [LOW] | 2 |
| [INFO] | 5 |

### Critical Findings

**[CRITICAL] Security vulnerability in lodash** (lodash 4.17.20)
CVE-2021-23337 - Prototype pollution vulnerability
> Upgrade to lodash 4.17.21 or later

**[CRITICAL] Outdated Express version** (express 4.17.0)
Express 4.17.0 is missing security patches
> Upgrade to express 4.21+ for security fixes

compare_audits (Pro)

> compare_audits baseAuditId="uuid-jan" compareAuditId="uuid-mar"

## Audit Comparison

**Trend: Improving** (+16 health score)

| Metric | January | March |
|--------|---------|-------|
| Health Score | 62 | 78 |
| Critical | 4 | 1 |
| High | 6 | 3 |

### Resolved Issues (6)
- [x] Critical: lodash vulnerability
- [x] High: moment.js deprecation
- [x] High: outdated Node version

estimate_project (Pro)

> estimate_project specs="Build a SaaS project management tool with: user authentication, team workspaces, task boards with drag-and-drop, real-time collaboration, file attachments, Stripe billing integration, and email notifications. Target: small to medium teams." region="france" seniorityLevel="mid"

## Project Estimate

**ID**: `est_abc123`
**Confidence**: 85%
**Pricing Table Version**: 2026-01

### Scope Analysis

**Total Hours**: 280 - 420h
**Complexity**: high
**Buffer**: 10% (28-42h)

#### Feature Breakdown

| Feature | Hours | Complexity |
|---------|-------|------------|
| User Authentication | 16-24h | simple |
| Team Workspaces | 32-48h | medium |
| Task Boards | 48-72h | complex |
| Real-time Collaboration | 40-60h | complex |
| File Attachments | 24-36h | medium |
| Stripe Integration | 32-48h | medium |
| Email Notifications | 16-24h | simple |

### Pricing (EUR)

| Seniority | Min | Max |
|-----------|-----|-----|
| junior | 12 000 € | 21 000 € |
| mid | 18 000 € | 33 000 € |
| senior | 28 000 € | 50 400 € |
| expert | 40 000 € | 75 600 € |

**Adjustments Applied** (×1.15):
- Payment Integration: +5%
- Real-time Features: +10%

generate_mcp_kit (Free)

> generate_mcp_kit projectDescription="I'm building a SaaS for project management with Supabase and Stripe"

## Recommended Tech Stack

| Category | Technology | Score |
|----------|------------|-------|
| meta-framework | SvelteKit | 84 |
| database | Supabase | 82 |
| auth | Supabase Auth | 80 |
| payments | Stripe | 96 |

## Recommended MCPs

| MCP | Priority | Why |
|-----|----------|-----|
| supabase-mcp | High | Direct database access |
| stripe-mcp | High | Payment management |
| context7 | Medium | Documentation lookup |

## Install Configs

Claude Code:
claude mcp add supabase-mcp npx -y @supabase/mcp-server

analyze_repo_mcps (Free)

> analyze_repo_mcps

## Detected Technologies
- **Frontend**: SvelteKit (2.x)
- **Database**: PostgreSQL (via Drizzle)
- **Auth**: Lucia
- **Payments**: Paddle

## Recommended MCPs

### High Priority
**Neon MCP** (`@neondatabase/mcp-server`)
- Direct database access and query execution
- _Matched: drizzle, postgresql_

### Medium Priority
**Context7** (`context7`)
- Up-to-date documentation for any library
- _Matched: universal_

prepare_mcp_installation (Free)

> prepare_mcp_installation

✅ Created .env-mcp with 3 MCPs requiring configuration.

## MCPs to Install

### 🔴 High Priority
- **Neon MCP** (1 required vars)
- **Paddle MCP** (2 required vars)

### 🟢 Low Priority
- **Context7** (0 required vars)

Edit .env-mcp to add your credentials, then run execute_mcp_installation.

execute_mcp_installation (Free)

> execute_mcp_installation targetClient="claude-code"

✅ 2 MCPs ready, 1 pending credentials.

## Claude Code Installation

Run this command to install all ready MCPs:

claude mcp add neon-mcp npx -y @neondatabase/mcp-server && \
claude mcp add context7 npx -y context7

## Post-Installation
- Restart Claude Code to load new MCPs
- Run `claude mcp list` to verify installation

Environment Variables

Score Dimensions

All technology scores are measured across 6 dimensions (0-100):

Contexts

Scores vary by project context:

• default: General-purpose scores
• mvp: Optimized for speed-to-market, lower cost
• enterprise: Emphasizes compliance, maintainability, support

Error Handling

Structured errors with suggestions:

**Error (TECH_NOT_FOUND)**: Technology "nexjs" not found.
**Suggestions**: nextjs, nuxt, nestjs

Troubleshooting

Debug mode

STACKSFINDER_MCP_DEBUG=true npx @stacksfinder/mcp-server

Common issues

Development

cd packages/mcp-server
bun install
bun run build
bun run dev      # Watch mode
bun test         # Run tests

Contributing

Contributions are welcome! Please read our Contributing Guide before submitting a Pull Request.

For security vulnerabilities, please see our Security Policy.

Documentation

• CHANGELOG.md - Version history and release notes
• CONTRIBUTING.md - How to contribute
• SECURITY.md - Security policy and vulnerability reporting

Links

• Website: stacksfinder.com
• Pricing: stacksfinder.com/pricing
• MCP Registry: registry.modelcontextprotocol.io (Official Anthropic)
• Discord: discord.gg/scBHF2EumC
• Glama: glama.ai/mcp/servers/@stacksfinder/mcp-server
• Smithery: smithery.ai/server/hoklims/stacksfinder-mcp
• GitHub: github.com/hoklims/stacksfinder-mcp
• npm: @stacksfinder/mcp-server

Related

• CLI: create-stacksfinder — Scaffold projects from terminal
• Website: stacksfinder.dev — Full web experience

License

MIT