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Primeforge

Cold email mailboxes, ready to send.

Deliverability
For AI agents
MCPAPINative readiness
About

What is Primeforge

Primeforge provisions Google and Microsoft mailboxes specifically configured for cold outreach, handling DNS records, mailbox slots, and US-based IP addresses so teams don't have to manage infrastructure manually. It's built for SDRs, BDRs, and GTM engineers at SMB and mid-market companies who run outbound at volume and need reliable inbox placement without manual configuration overhead. The standout capability is bulk DNS updates across multiple workspaces — meaning you can spin up or reconfigure sending infrastructure at scale without touching each domain individually. Primeforge sits within the Forge Stack ecosystem, so it connects naturally with Salesforge, Mailforge, and Leadsforge, but teams running outside that stack may find native integrations limited. If your outbound motion lives entirely in a non-Forge toolchain, you'll need to rely on the API to bridge the gap.

Deliverability
Capabilities

Key features

Deliverability infrastructure

warmup, spam tests, and sender reputation

Outbound webhooks

event-driven integrations

Our verdict

Vanderbuild take

Primeforge is a cold email infrastructure tool — not a sequencer, not a CRM — and for SDRs and GTM engineers who need to stand up sending domains fast without babysitting DNS records, it does that job cleanly. The agentic story here is real: native MCP server support means you can wire Primeforge directly into an AI agent orchestration layer, making it one of the few deliverability infrastructure tools that's genuinely agent-callable out of the box. Pricing isn't publicly listed, so you'll need to go through their sales flow to size the cost — that's a friction point worth noting before you build it into a budget. The honest limitation is ecosystem lock-in: Primeforge integrates tightly with the Forge Stack (Salesforge, Mailforge, Leadsforge), and teams running a different outbound stack will be leaning on the API rather than native connectors.

Mateusz Sekta
Founder, vanderbuild
Learn more

Our Resources

The wedge

Agentic stack profile

MCP server
Yes

Live MCP server — agents can call this tool directly.

The Forge MCP Server enables AI agents to create domains, provision Google Workspace and Microsoft 365 mailboxes, configure DNS settings, and monitor warmup/placement data.

Open MCP →
API
REST

Programmatic access available.

REST API — straightforward to call from any agent or workflow tool. Rate limits and auth vary by plan.

Agentic readiness
Native

Built for agents from the ground up.

MCP server + agent-friendly API + at least one autonomous workflow out of the box. The bar for 'Native' is high — only a handful of tools currently qualify.

Stack role
Deliverability

Where this tool slots into an agentic pipeline.

Plays the role of Deliverability in an agentic pipeline. Use it to keep email sending reputation healthy — warmup, spam tests.

Compare

Primeforge alternatives

Tools that solve a similar problem — compared at a glance.

Primeforge(this tool)
Best for
SDR / BDR, GTM Engineer
Readiness
Native
MCP
Yes
API
REST
winnr
Pricing
Seat-based
Budget
$$
Best for
GTM Engineer, Founder
Readiness
Native
MCP
Yes
API
REST
Cheapinboxes.com
Pricing
Seat-based
Budget
$
Best for
SDR / BDR, Founder
Readiness
Native
MCP
Yes
API
REST
Answers

Frequently asked questions

Does Primeforge have an MCP server?

Yes — Primeforge exposes a Model Context Protocol server. The Forge MCP Server enables AI agents to create domains, provision Google Workspace and Microsoft 365 mailboxes, configure DNS settings, and monitor warmup/placement data. See the MCP docs at https://mcp.salesforge.ai/mcp.

Does Primeforge have a public API?

Yes — Primeforge ships a REST API.

Who is Primeforge best for?

Primeforge is built for SDR / BDR, GTM Engineer. Fits SMB (1-50), Mid-market (50-500)-sized teams.

How well does Primeforge fit an agentic sales stack?

Tier: Native. Has both an MCP server and an agent-friendly API — drops into an agentic stack with minimal glue code.