Leaderboard/coldsend-mcp

MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.

coldsend-mcp

smithery.ai/pipelinescientists/coldsend-mcp↗

AI-native cold email campaign management via Model Context Protocol. ## What You Can Do - **Campaigns** — Create, launch, pause, resume, and delete email campaigns with full lifecycle control - **Leads** — Upload leads from CSV, list, filter, and manage recipients per campaign - **Sender Accounts** — Configure ColdSend native, SMTP, Google Workspace, and Outlook 365 inboxes - **Domains** — Add custom sending domains with automated DNS verification and activation tracking - **Analytics** — Track delivery rates, open/click engagement, reply rates, and compare campaigns side-by-side - **Inbox Health** — Monitor sender reputation, bounce rates, and deliverability scores ## Authentication Pass your ColdSend API key via the `X-API-Key` header. Get your key from [cloud.coldsend.pro](https://cloud.coldsend.pro). ## Transports - Streamable HTTP (`/mcp`)

50/100

Operational Score

Score Breakdown

Availability30/30

Conformance10/30

Performance10/40

Key Metrics

Uptime 30d

100.0%

P95 Latency

200.7ms

Conformance

Fail

Trend

Stable

What's Being Tested

Availability

HTTP health check to the service endpoint

Responded with HTTP 401 in 196ms

ConformanceNot tested

MCP initialize handshake + tools/list

Performance

MCP ping + zero-arg tool invocation benchmarking

P95 latency: 200ms, task completion: 0%

Recent Probe Results

Timestamp	Status	Latency	Conformance	Details
Apr 10, 2026	success	196.1ms	Pass	-
Apr 10, 2026	success	206.5ms	Pass	-
Apr 10, 2026	success	200.7ms	Pass	-

Source Registries

smithery

First Seen

Apr 10, 2026

Last Seen

Apr 10, 2026

Last Probed

Apr 10, 2026