MCPJam Build Night · Try a paid MCP server
Try Goldberg, a paid stock predictor
Its two prediction tools are paid. SolvaPay handles sign-in, plans and checkout in the chat.
https://goldberg-demo.solvapay.app/mcp1 Add the server
2 Sign in with SolvaPay
3 Ask for a prediction

Landing page: goldberg-demo.lovable.app
Two hosts
Goldberg in Grok Bot and MCPJam
Grok Bot
Connect the URL, sign in on the connect card and ask.


MCPJam
Add the server, switch it on and ask in the Playground.


Paying in the chat
Top up without leaving the chat
1 Ask “show my account” to see your balance

3 Pay, and the credits are added

2 Pick an amount

The account tool opens this widget. SolvaPay takes the payment through Stripe and adds the credits.
Checkout
In the chat or on a hosted page
Inline in the chat
Hosts that render MCP App widgets, like MCPJam, show checkout in the chat.

On a hosted page
Text-only hosts, like Grok Bot, return a link to the same checkout on customer.solvapay.com. It expires after 15 minutes.

The account tool handles both, with no extra code.
Account page
Customers manage their own account
Grok Bot links here; MCPJam shows the same view inline.
Balance and top-up
Credit balance with Add funds and auto-recharge.
Active products
Each product and its plan.
Credits and Billing
Credit and billing history.

MCPJam Build Night · Sell inside AI
Charge for your MCP server tonight
1 In your project folder, install the SolvaPay skills
$ npx skills add https://solvapay.com2 Paste one prompt into Claude Code, Cursor or Codex
A · I have a TypeScript MCP server
Use SolvaPay to monetize this MCP server, usage-based with a few free tools, and deploy it to Cloudflare.Your agent sets prices with you and adds the paywall.
B · I have an OpenAPI spec
Use SolvaPay to build an MCP server from this OpenAPI spec, usage-based with a few free tools, and deploy it to Cloudflare: <url>Your agent turns each endpoint into a free or paid tool. No spec? Use api.frankfurter.dev/v2/openapi.json
The agent runs npx solvapay@latest init to sign you in and add a sandbox key.
docs.solvapay.com/build/agent-skill3 Deploy to Cloudflare
Your agent deploys to Cloudflare Workers and returns the URL. No account? It walks you through signup.
4 Test in MCPJam
mcpjam.com · web or desktop appConnect the URL and use the MCPJam client with Sonnet or Haiku. Try free and paid tools; at checkout, pay with 4242 4242 4242 4242 and retry.
Want more? · Early access
Next, your agents spend for you
Tonight: a person pays for one MCP
You paid for one MCP server yourself, one checkout at a time.
Next: agents spend from one account
Your agents pay from one SolvaPay account at any inference API or MCP server on SolvaPay.
Spent by your agents in October
$96.20
One card, kept in the account
Agents pay through it and never see your card.
Limits and a purpose for each agent
Per service, call, day and month, plus a purpose in your words. Anything outside them asks you first.
Every payment on one statement
Payments, approvals and declines appear as they happen.
Open discussion
What’s happening in agentic commerce
Insights from the field with Viggo Stenseth, co-founder and CEO of SolvaPay