MCP server

SchematIaC ships a standalone Model Context Protocol server that gives an AI agent — Claude Code, Cursor, or any other MCP client — the same deterministic engine the canvas uses, for both Terraform and Bicep. Your agent can read the graph, look up what a value resolves to, trace lineage, and get a validated diff for a proposed change.

The AI comes from your agent; SchematIaC supplies the ground truth about your infrastructure code — still local, still no CLI binary.

Claude Code Cursor Terraform & Bicep Runs locally

Read and propose only — it never writes a file

Every edit tool returns a diff and the full new file text; your agent's own host decides whether to apply it. Nothing reaches disk through SchematIaC. The same discipline as the canvas — nothing is written without you saving — extended to your agent.

Set it up

Start a trial or enter a licence key first, so the snippet includes your credentials.
Run SchematIaC: Copy MCP Setup for AI Agents from the command palette.
Paste the copied JSON into your MCP client's configuration.

mcp.json — the extension fills in the real paths and token

{
  "mcpServers": {
    "schematiac": {
      "command": "node",
      "args": ["<globalStorage>/mcp.js"],
      "env": {
        "SCHEMATIAC_LICENSE": "<your token>",
        "SCHEMATIAC_MACHINE": "<machine digest>"
      }
    }
  }
}

SCHEMATIAC_MACHINE is included only for machine-bound trial keys. Not started a trial yet? The snippet is still copied, just without credentials — start a trial or paste a key, then run the command again.

The tools

Tool	What it does
`schematiac_graph`	Parse a Terraform or Bicep root (and its local child modules) into the full graph: nodes, rows with resolved values, and the edges wiring them.
`schematiac_resolve`	Look up what one value resolves to and why — where it is declared and set, and what is blocking anything not fully known.
`schematiac_trace`	Trace one value's full lineage: everything upstream that feeds it and everything downstream it feeds.
`schematiac_overview`	The Folder Overview of a directory tree — per-directory counts and which directories compose which. Terraform-only.
`schematiac_propose_edit`	Propose re-pointing a reference or setting a value on one row. Validated in the file's own language and returned as a diff — nothing is written to disk.
`schematiac_validate_expr`	Check whether a string is a valid HCL or Bicep expression for a property value, without touching any file.

Licensing & privacy

Each tool call is gated by an active trial or paid licence, using the token in the snippet. Setup and status always work; the licence state is reported to your agent.
The server runs locally as node <globalStorage>/mcp.js — no VS Code needs to be running, and like the canvas it makes no network calls of its own.
One root is one language; schematiac_overview and simulated-workspace reads are Terraform-only.

See how we handle your data, or read the docs. New here? Start with Terraform or Bicep.

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