StackSieve (MCP + CLI)

English | 简体中文

Give AI agents a superpower: instantly find the best third-party service for any job.

StackSieve MCP is a structured, continuously verified recommendation engine for AI coding tools like Claude Code, Cursor, and Windsurf. Describe your product in natural language and get service picks with rationale, pricing notes, and quick install commands.

Branding and compatibility:

• Product brand: StackSieve
• MCP server id / CLI command: service-advisor (kept for compatibility)
• npm scope: @stacksievehq/*

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Start in 30 Seconds (CLI-first)

The fastest way to validate StackSieve is CLI:

npx -y @stacksievehq/cli@latest "I need email + payment + auth for a SaaS" --format json
npx -y @stacksievehq/cli@latest categories --format json
npx -y @stacksievehq/cli@latest detail Resend --format json

CLI commands:

• service-advisor "<description>" [--format table|json]
• service-advisor --category <category> [--format table|json]
• service-advisor detail <name> [--format table|json]
• service-advisor categories [--format table|json]

Copy-Paste CLI Recipes

# SaaS core stack
npx -y @stacksievehq/cli@latest "email + payment + auth" --format json

# Image/file storage
npx -y @stacksievehq/cli@latest "I need image storage for user uploads" --format json

# AI app stack
npx -y @stacksievehq/cli@latest "LLM API + vector search + queue" --format json

# One category only
npx -y @stacksievehq/cli@latest --category file-storage --format table

Prompt Examples (Input -> Expected Categories)

Input	Expected Categories
I need email + payment + auth	email, payment, auth
I need image storage for uploads	file-storage
I need object storage and image acceleration	file-storage, cdn
I need low-cost logging and analytics	logging, analytics
I need queue + cron background jobs	queue

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MCP Quick Start (npm-first)

As of February 24, 2026, published versions are:

• @stacksievehq/mcp-server@0.1.3
• @stacksievehq/cli@0.1.2

If your network uses a mirror registry and you still get old transitive packages, force npmjs registry:

npx --registry=https://registry.npmjs.org -y @stacksievehq/cli@latest "email + payment + auth" --format json

# Register to Claude Code (project scope)
claude mcp add service-advisor --scope project -- npx -y @stacksievehq/mcp-server

# Verify
claude mcp list

JSON config (npm mode)

.mcp.json / .cursor/mcp.json / ~/.codeium/windsurf/mcp_config.json:

{
  "mcpServers": {
    "service-advisor": {
      "command": "npx",
      "args": ["-y", "@stacksievehq/mcp-server"]
    }
  }
}

TOML config (for TOML-only wrappers)

[mcp_servers.service-advisor]
command = "npx"
args = ["-y", "@stacksievehq/mcp-server"]

Local fallback (repo development mode)

pnpm --filter @stacksievehq/mcp-server build
claude mcp add service-advisor --scope project -- node /ABSOLUTE/PATH/stacksieve/packages/mcp-server/dist/index.js

Detailed setup by client (EN/CN):

• Quickstart (English)
• 快速实践（中文）

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What It Does

You: "I'm building a SaaS with email notifications, payments, and user auth"

StackSieve:
  email   -> Resend
  payment -> Stripe
  auth    -> Clerk

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Covered Categories (12)

Category	Top Pick	Alternatives
email	Resend	SendGrid, Postmark
payment	Stripe	LemonSqueezy, Paddle
auth	Clerk	Auth.js, Supabase Auth
database	Supabase	PlanetScale, Neon
ai-llm	Anthropic	OpenAI, Groq
file-storage	Cloudflare R2	AWS S3, Backblaze B2
search	Algolia	Typesense, Meilisearch
analytics	PostHog	Mixpanel, Plausible
logging	Axiom	Logtail, Datadog
queue	Inngest	Upstash QStash, BullMQ
cdn	Cloudflare	Fastly, BunnyCDN
notification	Novu	Knock, Courier

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MCP Tools

Tool	Description
recommend_services	Input natural language needs, output ranked picks by category
get_service_detail	Input a service name, output full 14-field record
list_categories	Return all supported categories

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CLI Usage (Detailed)

# npm usage (recommended)
npx -y @stacksievehq/cli@latest "I need payments and email for a SaaS"
npx -y @stacksievehq/cli@latest detail Resend
npx -y @stacksievehq/cli@latest categories --format json

# local repo mode (development fallback)
pnpm -r build
node packages/cli/dist/index.js "I need payments and email for a SaaS"

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Contributing Data

1. Read docs/schema.md
2. Edit YAML in data/
3. Run pnpm validate-data
4. Open a PR with source verification for docs/pricing/MCP support

See docs/contributing.md for details.

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License

• Data (/data/): CC BY 4.0 via LICENSE-DATA
• Code (/packages/): MIT via LICENSE