Tidal Metals
Tidal Metals is a deep-tech materials company that extracts decarbonized magnesium directly from seawater and desalination brine using only electricity from renewable sources, without mining, chemical additives, or brine waste. The company's patented process concentrates and extracts magnesium salt to address a critical supply-chain vulnerability: the United States currently produces no primary magnesium while China controls roughly 91% of global supply. Founded by Ph.D. physicists and engineers with backgrounds in nuclear engineering and plasma physics from MIT, Princeton, and Wisconsin-Madison, and backed by DCVC, Tidal Metals aims for carbon-neutral, domestically scalable magnesium production. Surfaced as a portfolio company of DCVC and added to the API Evangelist network; the company publishes no public API, developer portal, or machine-readable surface at this time.
Index entry only — little beyond a description and a link, and nothing machine-readable enough for an agent to act on without a human reading the site first.
API Evangelist profiles Tidal Metals the way a machine reads it — 1 machine-readable artifact, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Tidal Metals scores 6.8/100 (minimal), with a separate agent-readiness read of 0/100 (human only). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance.
Kin Score
How this is scored →scored 2026-07-27 · rubric v0.5
How we profile Tidal Metals
Each block below is one kind of artifact we hold for Tidal Metals. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
Security Posture 1
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Every other property we hold for Tidal Metals — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Access & Security 1
Authentication, authorization, and security posture
Company 1
The organization behind the API
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