Attach files as resources, searchable Markdown-LD knowledge, or both.
Platform
Build and run a paid AI app without backend plumbing.
Prostir combines a simple builder, knowledge resources, API-backed tools, users, auth, payments, quotas, and a dedicated MCP runtime into one publishing workflow.
Ask an AI client
Capabilities
Backend capabilities
Prostir combines a simple builder, knowledge resources, API-backed tools, users, auth, payments, quotas, and a dedicated MCP runtime into one publishing workflow.
Knowledge
Attach files as resources, searchable Markdown-LD knowledge, or both.
API tools
Publish safe actions for external APIs, existing apps, JavaScript tools, or upstream MCP connections.
Access
Keep users, auth, subscriptions, customer grants, and runtime quotas server-side.
Boundaries
The builder stays simple because the backend stays behind it.
The browser talks to the API. AI clients talk to the MCP runtime. Azure Cosmos DB Serverless remains the source of truth while runtime coordination projects live state and limits.
- Static public landing
- Authenticated app builder
- API-owned auth and billing
Capabilities Boundaries Static public landing
Knowledge Access
Runtime
Runtime complexity stays behind the product boundary.
The browser talks to the API. AI clients talk to the MCP runtime. Azure Cosmos DB Serverless remains the source of truth while runtime coordination projects live state and limits.
- Authenticated app builder
- API-owned auth and billing
- Dedicated MCP endpoint host
Runtime Runtime complexity stays behind the product boundary.
01 Static public landing
02 Authenticated app builder
03 API-owned auth and billing
04 Dedicated MCP endpoint host
Platform
Runtime complexity stays behind the product boundary.
The browser talks to the API. AI clients talk to the MCP runtime. Azure Cosmos DB Serverless remains the source of truth while runtime coordination projects live state and limits.