CanYouGrab.it

Confidence-scored domain availability checking for AI agents via CanYouGrab.it

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Not yet automatically verified

We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag — we're steadily working through the catalog.

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "canyougrab-it": {
      "command": "npx",
      "args": [
        "-y",
        "zuplo"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

CanYouGrab API

Domain availability lookup API with subscription billing, built on FastAPI + DNS (Unbound resolver).

Live services:

API: https://api.canyougrab.it
Developer portal: https://portal.canyougrab.it
Auth: https://auth.canyougrab.it (Auth0 custom domain)

Architecture Overview

Code

┌──────────────────────────────────────────────────────────────────┐
│                        Developer Portal                          │
│              (Zudoku/React on portal.canyougrab.it)              │
│   Usage Dashboard · API Keys · Pricing · API Reference (OAS)    │
└──────────────────┬───────────────────────────────────────────────┘
                   │  Auth0 JWT (portal)  /  Bearer API key (API)
                   ▼
┌──────────────────────────────────────────────────────────────────┐
│                    FastAPI Backend (v5.0.0)                       │
│                    api.canyougrab.it:8000                         │
│                                                                  │
│  ┌─────────────┐  ┌──────────┐  ┌──────────┐  ┌─────────────┐  │
│  │ app.py      │  │ keys.py  │  │billing.py│  │ auth.py     │  │
│  │ /check/bulk │  │ /keys    │  │/billing  │  │ API key +   │  │
│  │ /usage      │  │ CRUD     │  │/stripe   │  │ JWT auth    │  │
│  │             │  │ rotate   │  │ webhook  │  │             │  │
│  └──────┬──────┘  └──────────┘  └────┬─────┘  └─────────────┘  │
│         │                            │                           │
└─────────┼────────────────────────────┼───────────────────────────┘
          │                            │
          ▼                            ▼
┌─────────────────┐          ┌─────────────────┐
│  Valkey (Redis)  │          │   Stripe API     │
│  Job queue +     │          │   Subscriptions   │
│  Rate limiting   │          │   Webhooks        │
└────────┬────────┘          └─────────────────┘
         │
         ▼
┌─────────────────┐          ┌──────────────────────────────┐
│  RQ Worker       │──DNS──▶ │   Unbound Resolver            │
│  (worker.py)     │          │   (dedicated droplet)         │
│  ThreadPool(10)  │          │   NS queries via VPC          │
│  via RQ queue    │          └──────────────────────────────┘
└─────────────────┘
                             ┌──────────────────────────────┐
         ───────────────────▶│   PostgreSQL                  │
          (auth, usage,      │   API keys + Usage logs       │
           billing only)     └──────────────────────────────┘

Directory Structure

Code

zuplo/
├── backend/                    # Python FastAPI backend
│   ├── app.py                  # Main API: /check/bulk, /usage, /health
│   ├── auth.py                 # API key auth (SHA-256) + Auth0 JWT auth (RS256)
│   ├── billing.py              # Stripe checkout, portal, webhooks, card-on-file, usage details
│   ├── keys.py                 # API key CRUD: create, list, rotate, revoke (+ Turnstile)
│   ├── antifraud.py            # Anti-fraud: Turnstile, device fingerprints, risk scoring
│   ├── email_utils.py          # Email normalization + disposable email detection
│   ├── dns_client.py           # DNS-based domain availability checking via Unbound
│   ├── queries.py              # PostgreSQL queries: usage tracking, auth, billing
│   ├── valkey_client.py        # Redis/Valkey job queue client (RQ-backed)
│   ├── rq_tasks.py             # RQ task function: process_domain_job()
│   ├── worker.py               # RQ worker process (ThreadPoolExecutor per job)
│   ├── migrations/             # SQL migrations
│   │   └── 001_free_tier_antifraud.sql
│   └── requirements.txt        # Python dependencies
├── portal/                     # Developer portal (Zuplo + Zudoku)
│   ├── config/
│   │   ├── routes.oas.json     # OpenAPI 3.1 spec (public API documentation)
│   │   └── policies.json       # Zuplo policies (empty — all routing is direct)
│   ├── docs/                   # Zudoku documentation portal
│   │   ├── src/
│   │   │   ├── config.ts       # API_BASE, Turnstile site key, Stripe PK
│   │   │   ├── UsageDashboard.tsx   # Usage + billing dashboard component
│   │   │   ├── PricingPage.tsx      # Plan selection + Stripe checkout
│   │   │   ├── PricingPlans.tsx     # Pricing card grid component
│   │   │   └── CardSetupPage.tsx    # Stripe Elements card-on-file for Free+
│   │   ├── public/             # Static assets (logos, banners, CSS overrides)
│   │   ├── zudoku.config.tsx   # Portal config: theme, nav, Auth0, API key mgmt
│   │   └── package.json        # Frontend dependencies (React 19, Zudoku)
│   ├── package.json            # Workspace root (Zuplo v6, TypeScript v5)
│   └── README.md               # Zuplo boilerplate (not project-specific)
├── mcp-server/                 # MCP package for ChatGPT, Claude, and remote MCP clients
│   ├── pyproject.toml          # MCP package metadata + version
│   ├── server.json             # MCP registry/server metadata
│   ├── uv.lock                 # Locked MCP runtime dependencies
│   └── src/canyougrab_mcp/
│       ├── __init__.py
│       └── server.py           # stdio + streamable-http MCP entrypoint
├── .github/workflows/
│   ├── deploy.yml              # Production deploy (on tag push v*)
│   └── deploy-dev.yml          # Dev deploy (on push to dev branch)
├── .claude/
│   └── launch.json             # Local dev server config (port 9200)
└── package.json                # Root workspace config

API Endpoints

Public API (API key auth: `Authorization: Bearer cyg_...`)

Method	Path	Description
`POST`	`/api/check/bulk`	Check up to 100 domains. Long-polls until results ready (30s max).
`GET`	`/api/account/usage`	Usage summary for the authenticated consumer.
`GET`	`/api/account/quota-check`	Lightweight monthly + per-minute quota check.
`GET`	`/health`	Health check (no auth).

Portal API (Auth0 JWT auth)

Method	Path	Description
`POST`	`/api/keys`	Create new API key.
`GET`	`/api/keys`	List user's API keys.
`POST`	`/api/keys/{id}/rotate`	Rotate key (revoke old, create new).
`DELETE`	`/api/keys/{id}`	Revoke (soft-delete) a key.
`POST`	`/api/billing/checkout`	Create Stripe Checkout session.
`POST`	`/api/billing/portal`	Create Stripe Customer Portal session.
`POST`	`/api/billing/setup-card`	Create SetupIntent for Free+ card-on-file.
`POST`	`/api/billing/confirm-free-plus`	Verify card fingerprint and upgrade to Free+.
`GET`	`/api/billing/card-status`	Check if user has a card on file.
`GET`	`/api/billing/usage/detailed`	Per-key usage breakdown for portal dashboard.
`POST`	`/api/antifraud/turnstile/verify`	Verify Cloudflare Turnstile token.
`POST`	`/api/antifraud/device/register`	Register device fingerprint (Fingerprint Pro).
`GET`	`/api/antifraud/risk`	Get risk assessment for authenticated user.
`POST`	`/api/antifraud/assess-signup`	Run multi-signal risk assessment at signup.

Internal / Webhook

Method	Path	Description
`POST`	`/api/account/usage/detailed`	Multi-consumer usage breakdown.
`POST`	`/api/stripe/webhook`	Stripe webhook receiver (signature-verified).

Core Request Flow

Domain Availability Check

Read the full README →View source on GitHub →

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Frequently Asked Questions about CanYouGrab.it

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "canyougrab-it": { "command": "npx", "args": ["-y", "CanYouGrab.it"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

35Quality signal: Fair · 35/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools15/30

Adoption & activity1/15

Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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More in 💻 Developer Tools →Best MCP servers for Developers →Alternatives to CanYouGrab.it →Install in Claude Desktop Install in Cursor Install in VS Code

Documentation Overview

CanYouGrab API

Domain availability lookup API with subscription billing, built on FastAPI + DNS (Unbound resolver).

Live services:

API: https://api.canyougrab.it
Developer portal: https://portal.canyougrab.it
Auth: https://auth.canyougrab.it (Auth0 custom domain)

Architecture Overview

Code

┌──────────────────────────────────────────────────────────────────┐
│                        Developer Portal                          │
│              (Zudoku/React on portal.canyougrab.it)              │
│   Usage Dashboard · API Keys · Pricing · API Reference (OAS)    │
└──────────────────┬───────────────────────────────────────────────┘
                   │  Auth0 JWT (portal)  /  Bearer API key (API)
                   ▼
┌──────────────────────────────────────────────────────────────────┐
│                    FastAPI Backend (v5.0.0)                       │
│                    api.canyougrab.it:8000                         │
│                                                                  │
│  ┌─────────────┐  ┌──────────┐  ┌──────────┐  ┌─────────────┐  │
│  │ app.py      │  │ keys.py  │  │billing.py│  │ auth.py     │  │
│  │ /check/bulk │  │ /keys    │  │/billing  │  │ API key +   │  │
│  │ /usage      │  │ CRUD     │  │/stripe   │  │ JWT auth    │  │
│  │             │  │ rotate   │  │ webhook  │  │             │  │
│  └──────┬──────┘  └──────────┘  └────┬─────┘  └─────────────┘  │
│         │                            │                           │
└─────────┼────────────────────────────┼───────────────────────────┘
          │                            │
          ▼                            ▼
┌─────────────────┐          ┌─────────────────┐
│  Valkey (Redis)  │          │   Stripe API     │
│  Job queue +     │          │   Subscriptions   │
│  Rate limiting   │          │   Webhooks        │
└────────┬────────┘          └─────────────────┘
         │
         ▼
┌─────────────────┐          ┌──────────────────────────────┐
│  RQ Worker       │──DNS──▶ │   Unbound Resolver            │
│  (worker.py)     │          │   (dedicated droplet)         │
│  ThreadPool(10)  │          │   NS queries via VPC          │
│  via RQ queue    │          └──────────────────────────────┘
└─────────────────┘
                             ┌──────────────────────────────┐
         ───────────────────▶│   PostgreSQL                  │
          (auth, usage,      │   API keys + Usage logs       │
           billing only)     └──────────────────────────────┘

Directory Structure

Code

zuplo/
├── backend/                    # Python FastAPI backend
│   ├── app.py                  # Main API: /check/bulk, /usage, /health
│   ├── auth.py                 # API key auth (SHA-256) + Auth0 JWT auth (RS256)
│   ├── billing.py              # Stripe checkout, portal, webhooks, card-on-file, usage details
│   ├── keys.py                 # API key CRUD: create, list, rotate, revoke (+ Turnstile)
│   ├── antifraud.py            # Anti-fraud: Turnstile, device fingerprints, risk scoring
│   ├── email_utils.py          # Email normalization + disposable email detection
│   ├── dns_client.py           # DNS-based domain availability checking via Unbound
│   ├── queries.py              # PostgreSQL queries: usage tracking, auth, billing
│   ├── valkey_client.py        # Redis/Valkey job queue client (RQ-backed)
│   ├── rq_tasks.py             # RQ task function: process_domain_job()
│   ├── worker.py               # RQ worker process (ThreadPoolExecutor per job)
│   ├── migrations/             # SQL migrations
│   │   └── 001_free_tier_antifraud.sql
│   └── requirements.txt        # Python dependencies
├── portal/                     # Developer portal (Zuplo + Zudoku)
│   ├── config/
│   │   ├── routes.oas.json     # OpenAPI 3.1 spec (public API documentation)
│   │   └── policies.json       # Zuplo policies (empty — all routing is direct)
│   ├── docs/                   # Zudoku documentation portal
│   │   ├── src/
│   │   │   ├── config.ts       # API_BASE, Turnstile site key, Stripe PK
│   │   │   ├── UsageDashboard.tsx   # Usage + billing dashboard component
│   │   │   ├── PricingPage.tsx      # Plan selection + Stripe checkout
│   │   │   ├── PricingPlans.tsx     # Pricing card grid component
│   │   │   └── CardSetupPage.tsx    # Stripe Elements card-on-file for Free+
│   │   ├── public/             # Static assets (logos, banners, CSS overrides)
│   │   ├── zudoku.config.tsx   # Portal config: theme, nav, Auth0, API key mgmt
│   │   └── package.json        # Frontend dependencies (React 19, Zudoku)
│   ├── package.json            # Workspace root (Zuplo v6, TypeScript v5)
│   └── README.md               # Zuplo boilerplate (not project-specific)
├── mcp-server/                 # MCP package for ChatGPT, Claude, and remote MCP clients
│   ├── pyproject.toml          # MCP package metadata + version
│   ├── server.json             # MCP registry/server metadata
│   ├── uv.lock                 # Locked MCP runtime dependencies
│   └── src/canyougrab_mcp/
│       ├── __init__.py
│       └── server.py           # stdio + streamable-http MCP entrypoint
├── .github/workflows/
│   ├── deploy.yml              # Production deploy (on tag push v*)
│   └── deploy-dev.yml          # Dev deploy (on push to dev branch)
├── .claude/
│   └── launch.json             # Local dev server config (port 9200)
└── package.json                # Root workspace config

API Endpoints

Public API (API key auth: `Authorization: Bearer cyg_...`)

Method	Path	Description
`POST`	`/api/check/bulk`	Check up to 100 domains. Long-polls until results ready (30s max).
`GET`	`/api/account/usage`	Usage summary for the authenticated consumer.
`GET`	`/api/account/quota-check`	Lightweight monthly + per-minute quota check.
`GET`	`/health`	Health check (no auth).

Portal API (Auth0 JWT auth)

Method	Path	Description
`POST`	`/api/keys`	Create new API key.
`GET`	`/api/keys`	List user's API keys.
`POST`	`/api/keys/{id}/rotate`	Rotate key (revoke old, create new).
`DELETE`	`/api/keys/{id}`	Revoke (soft-delete) a key.
`POST`	`/api/billing/checkout`	Create Stripe Checkout session.
`POST`	`/api/billing/portal`	Create Stripe Customer Portal session.
`POST`	`/api/billing/setup-card`	Create SetupIntent for Free+ card-on-file.
`POST`	`/api/billing/confirm-free-plus`	Verify card fingerprint and upgrade to Free+.
`GET`	`/api/billing/card-status`	Check if user has a card on file.
`GET`	`/api/billing/usage/detailed`	Per-key usage breakdown for portal dashboard.
`POST`	`/api/antifraud/turnstile/verify`	Verify Cloudflare Turnstile token.
`POST`	`/api/antifraud/device/register`	Register device fingerprint (Fingerprint Pro).
`GET`	`/api/antifraud/risk`	Get risk assessment for authenticated user.
`POST`	`/api/antifraud/assess-signup`	Run multi-signal risk assessment at signup.

Internal / Webhook

Method	Path	Description
`POST`	`/api/account/usage/detailed`	Multi-consumer usage breakdown.
`POST`	`/api/stripe/webhook`	Stripe webhook receiver (signature-verified).

CanYouGrab.it

Quick Install

Client Config & Setup

Documentation Overview

CanYouGrab API

Architecture Overview

Directory Structure

API Endpoints

Public API (API key auth: Authorization: Bearer cyg_...)

Portal API (Auth0 JWT auth)

Internal / Webhook

Core Request Flow

Domain Availability Check

Related MCP Servers

Reviews

Frequently Asked Questions about CanYouGrab.it

AllMCPs Directory Badge

Technical Specs & Signals

Feature Your MCP Server

Own this project?

Share & Embed

Explore more

CanYouGrab.it

Quick Install

Client Config & Setup

Documentation Overview

CanYouGrab API

Architecture Overview

Directory Structure

API Endpoints

Public API (API key auth: Authorization: Bearer cyg_...)

Portal API (Auth0 JWT auth)

Internal / Webhook

Core Request Flow

Domain Availability Check

Related MCP Servers

Reviews

Frequently Asked Questions about CanYouGrab.it

AllMCPs Directory Badge

Technical Specs & Signals

Feature Your MCP Server

Own this project?

Share & Embed

Explore more

Public API (API key auth: `Authorization: Bearer cyg_...`)

Public API (API key auth: `Authorization: Bearer cyg_...`)