Cofounder OS and AI SDR tools

Cofounder OS connects your chosen agent to a prospecting API, CRM, and the services behind your business through one MCP. Regie.ai and AiSDR offer dedicated outbound workflows. Choose the tools that fit your sales process and the company behind it.

From $40/month per company
Quick recommendation

Find potential customers. Connect your entire business stack.

Cofounder OS connects your agent to a prospecting API to find potential customers and CRM tools to keep track of them. Hosting, databases, ads, Stripe billing, and more come together in the same MCP, with company context that keeps your agent up to date. Regie.ai and AiSDR package their own campaign execution and follow-up workflows.

Company tools and dedicated outbound workflows

Area
Cofounder
AI SDR tools

Best fit

Cofounder

Founders who want their chosen agent to find potential customers and manage their business stack through one MCP.

AI SDR

Sales teams looking for a dedicated prospecting and outreach workflow, including campaign management and sales-specific integrations.

How you work

Cofounder

Keep working in Claude Code, Codex, or another compatible agent. Cofounder OS bundles business services into one MCP connection. CLI and API access are also available.

AI SDR

RegieGO provides research, enrichment, messaging, dialing, and CRM workflows. AiSDR's Ami builds and runs email and LinkedIn campaigns.

Outbound work

Cofounder

A prospecting API connection helps your agent find potential customers and enrich contact and company details. CRM tools keep track of those prospects and customer records.

AI SDR

Dedicated campaign tooling for targeting, outreach, replies, and follow-up. Compare each vendor's channels and integrations with the way your team sells.

Beyond the pipeline

Cofounder

Hosting, databases, Google Ads, social publishing, and Stripe billing are available through the same MCP. Shared company context keeps your agent up to date on the business.

AI SDR

The focus is sales execution. Evaluate the surrounding product infrastructure and business services separately.

Pricing

Cofounder

$40/month per company, including $40 in usage credits. Unused credits roll over. Top up with an active subscription. External agent costs are separate.

AI SDR

RegieGO: Free, Pro $49/month, Team $150/seat/month with two seats minimum, and custom Enterprise. AiSDR: $1.50 per person contacted on pay-as-you-go; team pricing depends on volume.

Using both

Cofounder

Use Cofounder's tools for the company work your agent handles. Keep the CRM and campaign ownership clear if you add a specialist.

AI SDR

Add a dedicated outbound product when its campaign workflow, channels, or sales-team controls fit your needs. Check the connections required for your stack.

Current plans: RegieGO and AiSDR.

Choose Cofounder if

You want sales tools alongside product and company operations.

  • You want your agent to handle prospecting and CRM alongside product and company operations.
  • You need hosting, databases, Stripe billing, and company knowledge alongside prospecting tools.
  • You prefer building the workflow with the agent you already use and paying for services from one credit balance.
Add an AI SDR if

You want a dedicated campaign workflow.

  • You want a dedicated outbound workflow for campaign execution, replies, and follow-up.
  • Your sales team needs particular channels, dialing features, CRM connections, or team controls.
  • You are choosing based on campaign quality and cost per contacted prospect for your audience.

More of your business. One MCP.

Give your agent the tools to run the day-to-day work around your product, all through the same connection.

Email

Email inboxes, drafts, sending, and replies, plus campaigns, newsletters, and transactional app email.

Customer support

Support tickets linked to your CRM, with priorities, assignments, internal notes, and email replies.

Brand research and voice

Brand research, evidence-backed brand directions, and voice checks that keep your messaging consistent.

SEO

Keyword research, Google search results and rankings, and on-page SEO audits in one workflow.

Website and social analytics

Website traffic and social analytics, including engagement, followers, and individual post performance.

Domains

Domain discovery, registration, renewals, and DNS management, with connections to your hosting.

Founder-approved purchases

Purchases through Link require your approval for each individual purchase, then use one-time payment credentials for that purchase.

FAQ

Can Cofounder help with outbound sales?

Yes. Cofounder OS connects your agent to a prospecting API to find potential customers and contact details, plus CRM tools to manage those relationships. Hosting, databases, Stripe billing, and company context are available through the same MCP. A dedicated AI SDR offers its own campaign workflow; compare the specific channels and controls you need.

Can I use Cofounder with an AI SDR?

Yes, you can use both in your business. Use the specialist for the campaigns you assign to it and Cofounder for the company tools your agent needs. Confirm the integrations for your stack and choose which system owns each customer record and outreach campaign.

How do Regie.ai and AiSDR differ?

RegieGO combines prospect research, enrichment, messaging, dialing, and CRM work. AiSDR's Ami focuses on email and LinkedIn outreach with campaign and reply handling. Their billing units also differ: RegieGO has plans and seats, while AiSDR's pay-as-you-go offer charges per person contacted.

How does pricing work if I use both?

Cofounder is $40/month per company with $40 in monthly usage credits. Credits roll over, and top-ups are available with an active subscription. Your external agent and any AI SDR are billed separately. Compare expected service use, sales seats, and contacted prospects; the starting prices are not equivalent allowances.

Does Cofounder include my AI agent?

You bring the agent you want to use, such as Claude Code or Codex. Cofounder provides company tools and managed resources through MCP, with CLI and API access too. Your agent provider's subscription and usage charges remain separate.

Will I need more than $40/month in credits?

Most users stay within the included $40/month in credits while getting started. You may need to purchase additional credits when you’re running a business with real users and traffic. Your costs depend on the services you use; your external agent’s subscription and usage remain separate.

Can I enrich leads and manage email through Cofounder?

Yes. Prospecting tools find potential customers and enrich contact and company details for your CRM. Email tools cover inbox management, drafts, sending and replying, campaigns, newsletters, and transactional app email. Customer support tickets can stay linked to CRM records.

Give your agent the tools to turn research into company work.

Connect your agent to Cofounder OS for prospecting, CRM, and your business stack through one MCP. From $40/month per company.