Use SynthForge from your AI agent
Hosted MCP is in open beta. Connect Claude, Cursor, or any Streamable HTTP client, describe the dataset you need, and download multi-table synthetic data with foreign keys intact.
Endpoint: https://mcp.synthforge.io/mcp
Describe, then download
One tool takes a plain-English description and returns a downloadable multi-table dataset.
Real relational data
Multi-table schemas with foreign-key integrity, cardinality ratios, and exports for Postgres, MySQL, SQL Server, SQLite, and more.
Free while you try it
Request free credits for personal API-key usage through September 30, 2026. The web UI, and hosted MCP approved in a browser, get a free row allowance on every dataset before credits apply.
Get started in four steps
- 1
Create a free account
Sign in at the web app. The first 20,000 rows of a dataset generated in the browser are free; larger runs use credits, the same as the API.
Launch App → - 2
Mint an API key (250 free credits)
In Settings → API keys, create a key (sfk_live_…). Your first key automatically receives 250 free product credits so agents can forge and generate immediately. Copy the secret once.
Open Settings → - 3
Need more credits? (open beta)
Personal API-key jobs use product credits from the first row. AI schema design costs API keys 8 credits per table, up to 80; it is free in the web app and for browser-approved MCP connections. Generating a dataset with an API key costs 2 credits plus 1 per 25,000 rows. Failed and cancelled jobs cost nothing. Credits are a cent each: $5 buys 500. Bigger packs add bonus credits, so $50 buys 6,000 and $100 buys 13,000. Through September 30, 2026 you can also email us from your account address for an extra grant after the starter pack.
Request more credits → - 4
Point your agent at MCP
Connect any Streamable HTTP MCP client to https://mcp.synthforge.io/mcp with Authorization: Bearer sfk_live_…. Start with description_to_dataset.
Setup guide →
Example MCP config
Exact shape varies by host. The URL and Bearer header are the constants.
{
"mcpServers": {
"synthforge": {
"url": "https://mcp.synthforge.io/mcp",
"headers": {
"Authorization": "Bearer sfk_live_…"
}
}
}
}Full tool list and agent tips: Hosted MCP docs · Markdown twin: /docs/mcp.md
Open beta offer
Free credits through September 30, 2026
Tell us your app.synthforge.io account email and we’ll top up product credits for your personal API key while the beta runs.
Email support@synthforge.ioNo card required. After September 30, 2026, credit policy may change; we’ll post updates on this page.
FAQ
What is the MCP open beta?
You can call SynthForge from an MCP-compatible agent at mcp.synthforge.io. Describe the data you need, get multi-table synthetic data with foreign keys intact, and download the result without learning every REST endpoint.
Do I get credits automatically?
Yes. Creating your first API key grants 250 free product credits. That is enough for several forge + generate loops. Through September 30, 2026 you can also email support for an extra grant.
Is the web app free?
Yes, up to a generous point. The first 20,000 rows of a dataset generated in the browser are free, and larger runs use credits. Personal API keys and CLI/SDK access use credits from the first row. Hosted MCP connected the way claude.ai connects, by approving access in a browser, gets the same free allowance a web session does.
How do I request more credits?
Email support@synthforge.io from the same address you use on app.synthforge.io, or use the button on this page. Include that account email so we can grant the balance correctly.
What can my agent do?
The primary tool is description_to_dataset: describe the data you need, get a schema, generate rows, and receive a download URL (and often an embedded ZIP for hosts that support attachments). You can also forge-only, generate from an existing schema, list assets, and poll job status.