MCP Domain Deliverability Checker vs MCP Gtm Tech Stack Signal Scraper
In-depth architectural comparison of the MCP Domain Deliverability Checker and MCP Gtm Tech Stack Signal Scraper MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
MCP Domain Deliverability Checker
Marketing · Local stdio
Quality: 59/100 (Good) | Auth: API Key required
MCP Gtm Tech Stack Signal Scraper
Marketing · Local stdio
Quality: 61/100 (Good) | Auth: API Key required
Verdict Summary: Choose MCP Domain Deliverability Checker if you need specialized Marketing tools running via a local process. Choose MCP Gtm Tech Stack Signal Scraper if your workspace requires Marketing integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose MCP Domain Deliverability Checker when:
You need dedicated capabilities in the Marketing domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
Audits a domain email deliverability: SPF, DKIM, DMARC, MX, mail provider, DNS blacklist, catch-all, and domain age, returning a 0-100 health score via an Apify actor.
Detects a company CRM, sequencer, and marketing automation from its public website. Clay-ready.
Detect which GTM tools a company uses from its public-facing website. Returns CRM, sequencer, and marketing automation signals as a flat, Clay-ready JSON row, with per-tool boolean flags for HubSpot, Salesforce, Apollo, Gong, Intercom, and Marketo, plus a composite tech stack signal. Pass technologies to narrow the answer to named tools. Read-only; requires an APIFY_TOKEN and consumes Apify credits per call.
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
MCP Domain Deliverability Checker is categorized under Marketing and uses a local stdio subprocess. In contrast, MCP Gtm Tech Stack Signal Scraper belongs to Marketing using local stdio subprocess. Select MCP Domain Deliverability Checker when you need capabilities focused on marketing and MCP Gtm Tech Stack Signal Scraper when you require tools for marketing.