A compile-time Prisma Generator that reads schema.prisma annotations and emits hardened MCP Fusion Presenters and ToolBuilders — with field-level security, tenant isolation, and OOM protection baked into the generated code.

Quick Start

generator mcp {
  provider = "vinkius-prisma-gen"
  output   = "../src/tools/database"
}

model User {
  id           String @id @default(uuid())
  email        String @unique
  passwordHash String /// @fusion.hide
  stripeToken  String /// @fusion.hide
  creditScore  Int    /// @fusion.describe("Score 0-1000. Above 700 is PREMIUM.")
  tenantId     String /// @fusion.tenantKey
}

npx prisma generate
# → src/tools/database/userPresenter.ts
# → src/tools/database/userTools.ts
# → src/tools/database/index.ts

Features

| Feature | Description | |---------|-------------| | Egress Firewall | @fusion.hide physically excludes columns from the generated Zod response schema — SOC2 at compile time | | Semantic Descriptions | @fusion.describe("...") injects domain semantics into generated Zod fields | | Tenant Isolation | @fusion.tenantKey injects tenant filters into every query's WHERE clause | | OOM Guard | Pagination enforced with take (capped at 50) and skip — unbounded queries are structurally impossible | | Inversion of Control | Generates ToolBuilder + Presenter files, not a server. You wire them in |

Schema Annotations

| Annotation | Effect | |---|---| | /// @fusion.hide | Excludes the field from the generated Zod response schema | | /// @fusion.describe("...") | Adds .describe() to the Zod field — LLM reads this as a business rule | | /// @fusion.tenantKey | Injects the field into every query's WHERE clause from ctx |

Installation

npm install @vinkius-core/mcp-fusion-prisma-gen @vinkius-core/mcp-fusion zod

Peer Dependencies

| Package | Version | |---------|---------| | @vinkius-core/mcp-fusion | ^2.0.0 | | zod | ^3.25.1 \|\| ^4.0.0 | | prisma | ^6.0.0 |

Requirements

• Node.js ≥ 18.0.0
• MCP Fusion ≥ 2.0.0 (peer dependency)
• Prisma ≥ 6.0.0

License

Apache-2.0