FOR BUILDERS

AI writes the code.
You get a Living Blueprint.

Strata19 is the operating system for AI-built software. Your whole project lives as one Living Blueprint — a typed project graph that shows every entity, dependency, and gap. Every file traces to a Blueprint node. Every node change propagates forward. Every gap surfaces before it becomes a bug. Not another LLM grading another LLM's work. Ship at 100%, not 70%.

claude-code — strata19-mcp
$ npm install @strata19/mcp
✓ Strata19 MCP connected
> /spec capture "I need a scheduling system that handles recurring appointments"
→ Living Blueprint: 12 nodes, 8 edges — generating...
→ Types: 0 errors ✓   Structure: 12 nodes matched ✓
→ Data flow: no divergence ✓   Integration: interfaces agree ✓
✓ Proven against spec — ready to deploy

THE DATA

AI code ships faster than you can prove it's right.

Not a model quality problem. Not a prompt problem. A structural problem. You can't review AI-generated code at the rate it arrives — and you can't trust another LLM to catch what the first one missed. Measured at scale, cited, and consistent across every study.

−19%

AI made experienced devs slower on real work — they predicted +24% faster, and still believed +20% after

METR 2025 — randomized controlled trial

45%

of AI-generated code ships an OWASP Top 10 flaw — 72% failure rate in Java, flat since 2023

Veracode 2025 — 100+ LLMs tested

~1 in 4

AI prompts reference a package that does not exist — the basis for "slopsquatting" supply-chain attacks

NVIDIA / USENIX Security 2025

12.3%

of changed code is now copy-pasted clones, up from 8.3% — refactoring fell below 10%

GitClear 2025 — 211M lines analyzed

The pattern isn't that models are bad. It's that every current AI coding system — single-agent, multi-agent, spec-driven, or otherwise — checks its own output by asking another LLM whether the output looks right. When component A writes user_id and component B reads userId, no amount of additional LLM calls will catch that deterministically. The proof bottleneck is structural.

We built Strata19 because the fix is architectural, not incremental. The graph proves what LLMs can't.

THE REALITY

You already know what's broken.

Every one of these happened to someone shipping AI code this month.

  • 1You closed a Claude Code session feeling like you shipped. Came back Monday and half the imports don't exist.
  • 2You merged a PR with green CI — because the agent replaced the implementation with mocks.
  • 3Component A writes to users.user_id. Component B reads from users.userId. Both sets of tests are green. The integration is broken. Nobody catches it until a human audits the diff by hand.
  • 4You spent two days chasing down why your tests were "passing" when nothing actually worked.
  • 5You've got four implementations of the same utility in your codebase because nothing remembered the first three.
  • 616 of 18 CTOs surveyed reported production disasters directly caused by unreviewed AI-generated code.

We built Strata19 because we got tired of all of them — especially the middle one.

THE WORKFLOW

What Tuesday looks like with Strata19.

Five steps. All of them you'd do anyway — but now they connect.

Run the Source Engine in your Claude Code chat. It captures business context, product intent, and constraints — the graph populates as you talk. One npm install and one config entry gets you running in under a minute.

Terminal
$ npm install @strata19/mcp
+ @strata19/mcp@1.0.0
$ strata19 init
→ Added MCP config to ~/.config/claude-code/mcp.json
✓ Strata19 connected

THE COMPOUNDING

Proven work compounds. Across four levels.

Hooks, components, templates, the Living Blueprint itself — every level of granularity is the same mechanism. Proven work persists. Next project pulls from all four. The longer your team runs Strata19, the less code each project has to think about.

Level 4

The Living Blueprint

The typed project graph. Every converged project adds proven patterns. The Blueprint gets smarter at inferring gaps, proposing constraints, and catching missing guards as your portfolio grows. Project fifty starts with patterns project one didn't have.

Level 3

Templates (patterns)

Proven subgraphs you can instantiate. A marketplace foundation, a SaaS admin shell, a field-service dispatch system. Start a new project from a proven template instead of a blank spec. Publish your own templates internally or to other teams.

Level 2

Components (UI)

UI components ship with their specs, their hooks, and their tests. Every project contributes proven components to the library. New projects instantiate them in their spec context — the graph re-checks they still hold under the new constraints.

Level 1

Hooks (primitives)

Runtime primitives — TanStack Query patterns, state machines, domain logic. Each hook specified with inputs, outputs, side effects, and guarantees. The graph proves the implementation matches the spec. Replaces the 80% glue code new projects otherwise reinvent.

Same mechanism, four scales. The platform is more valuable at project fifty than at project five.

INTEGRATIONS

Plugs into your existing stack.

Claude Code MCPavailable now
npm install @strata19/mcp
# Add to ~/.config/claude-code/mcp.json

Available as Claude Code slash commands and tool calls.

Installation guide →
CLIavailable now
npm install -g @strata19/cli

Living Blueprint operations outside Claude Code — create projects, query the graph, run convergence checks manually.

CLI reference →
Other IDEscoming soon
  • Cursor — coming soon
  • Windsurf — coming soon
  • Generic MCP clients — coming soon
Join the waitlist →

Generated stacks & deployment

Next.js 15 (App Router)React Native (Expo)PostgreSQL + Apache AGERailway

The specbook — the human-readable surface of your Living Blueprint — is the integration interface between all engines and every tool in your stack. Everything generates from and traces back to it.

THE DIFFERENCE

What makes this architecturally different.

vs. current multi-agent coding systems

Every current multi-agent system — autonomous software engineer agents, orchestrator-worker architectures, research frameworks simulating software companies — shares the same core pattern: LLM agents generate code, and other LLM agents judge whether the output looks right. When agents disagree about an interface, or when one agent's output doesn't compose with another's, the verification step is another judgment call by another model.

Strata19 proves correctness with a typed graph and the compiler. When component A writes user_id and component B reads userId, the graph catches it deterministically. No opinions. No confidence scores. Proofs.

vs. spec-driven tools

Spec-driven tools treat the spec as a document that guides generation. A markdown file. A prompt preamble. An intent document. Then the LLM generates, and if the code drifts from the spec, nothing catches it except the next human review.

Strata19 treats the spec as a typed, queryable structure that code must provably match. The spec is alive. The code binds to it. Drift is caught structurally, not by another reading pass. This is what "spec-verified" means and "spec-driven" doesn't.

vs. using agentic IDEs alone

Agentic IDEs are excellent at generating code. They're not designed to remember what the code was supposed to do across sessions, or to catch when component A doesn't connect to component B. That's a different job — a memory layer, a structural consistency layer — and it's the job Strata19 does. Use Strata19 with your agentic IDE, not instead of it.

vs. ADRs, design docs, and "just write a good spec first"

ADRs and design docs decay. They're out of date the moment they're merged. The graph enforces itself — every code change has to trace back to a spec node, and every spec change propagates forward. The spec doesn't rot because the system won't let it.

vs. markdown spec documents

Some frameworks treat specs as markdown documents with workflow discipline on top. Valuable patterns. But the spec is still text — it decays, drifts, and can’t be structurally proven. Strata19 sits where the spec is a typed graph the compiler and graph layer can actually check. Same category; different position on the architectural axis.

COMMON QUESTIONS

What builders ask us.

Still have questions? Read the docs →

Install in under a minute.

shell
$ npm install @strata19/mcp
$ npx @strata19/cli init

Questions? Email us at hello@strata19.com

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