General Matter website screenshot

General Matter

General Matter is a domestic nuclear-fuel company founded in 2024 and based in California, building United States uranium enrichment capacity to produce low-enriched uranium (LEU) and high-assay low-enriched uranium (HALEU) for advanced commercial and government nuclear reactors. Co-founded by Scott Nolan and Lee Robinson and backed by Founders Fund, the company was awarded a $900M Department of Energy IDIQ contract and plans a $1.5B commercial enrichment facility at the former Paducah Gaseous Diffusion Plant in Kentucky, plus a lease on the Hanford Fuels and Materials Examination Facility in Washington. Its mission is to reduce American reliance on foreign nuclear fuel and strengthen energy independence. General Matter is an industrial energy manufacturer with no public developer API; this profile captures its identity, website properties, and domain-security posture.

General Matter is profiled on the APIs.io network. Tagged areas include Company, Energy, Nuclear, Nuclear Fuel, and Uranium Enrichment.

General Matter’s developer surface includes engineering blog and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub
11.4/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyEnergyNuclearNuclear FuelUranium EnrichmentHALEUCleantech

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 11.4/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.4 / 20
Commercial Clarity 4.2 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/general-matter: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

General Matter Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy
PrivacyPolicy
 TermsOfService
TermsOfService

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: general-matter
name: General Matter
description: General Matter is a domestic nuclear-fuel company founded in 2024 and based in California, building United States
  uranium enrichment capacity to produce low-enriched uranium (LEU) and high-assay low-enriched uranium (HALEU) for advanced
  commercial and government nuclear reactors. Co-founded by Scott Nolan and Lee Robinson and backed by Founders Fund, the
  company was awarded a $900M Department of Energy IDIQ contract and plans a $1.5B commercial enrichment facility at the former
  Paducah Gaseous Diffusion Plant in Kentucky, plus a lease on the Hanford Fuels and Materials Examination Facility in Washington.
  Its mission is to reduce American reliance on foreign nuclear fuel and strengthen energy independence. General Matter is
  an industrial energy manufacturer with no public developer API; this profile captures its identity, website properties,
  and domain-security posture.
url: https://raw.githubusercontent.com/api-evangelist/general-matter/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- founders-fund
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
image: https://images.prismic.io/generalmatter/Z_w9yOvxEdbNO-v5_GM-metaimage.png?auto=format,compress&rect=0,0,1200,630&w=1200&h=630
tags:
- Company
- Energy
- Nuclear
- Nuclear Fuel
- Uranium Enrichment
- HALEU
- Cleantech
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.generalmatter.com
- type: Blog
  url: https://www.generalmatter.com/news
- type: PrivacyPolicy
  url: https://www.generalmatter.com/privacy-terms
- type: TermsOfService
  url: https://www.generalmatter.com/privacy-terms
- type: DomainSecurity
  url: security/general-matter-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence