Prometheus Fuels
Prometheus Fuels is a Santa Cruz, California energy company founded in 2019 by Rob McGinnis and launched out of Y Combinator, producing carbon-neutral electrofuels from atmospheric CO2. Its "no-desorb" direct air capture system dissolves CO2 into carbonate ions in water, and its Faraday Reactor hydrocarbon electrolyzer converts that carbon into methanol, gasoline, diesel, jet fuel and renewable natural gas at room temperature and atmospheric pressure using off-grid solar power. The company also markets an Ultra Long Duration Energy Storage (ULDES) product aimed at data-center power, and operates the Titan Forge Alpha pilot plant in Santa Cruz. It is backed by BMW i Ventures, Maersk Growth and Y Combinator. Prometheus Fuels publishes no product API, developer portal or SDK — it is a physical fuels manufacturer. The single machine-readable surface it operates is the WordPress REST API (wp/v2) behind its corporate site at prometheusfuels.ai, which serves anonymous read access to pages, posts, the site's `news-articles` custom post type, categories, tags, media, comments, users, search, taxonomies, types and statuses, with write operations gated behind WordPress application passwords. This profile was enriched by the API Evangelist pipeline from that live surface.
More than an index entry, but the surface is still mostly links rather than artifacts — the cohort most likely to move a full band from modest, well-targeted work.
API Evangelist profiles Prometheus Fuels the way a machine reads it — 28 machine-readable artifacts across 12 APIs, 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 — Prometheus Fuels scores 26.9/100 (emerging), with a separate agent-readiness read of 36/100 (agent ready). 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 2026-08-17 · rubric v0.11.0
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How we profile Prometheus Fuels
Each block below is one kind of artifact we hold for Prometheus Fuels. 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.
APIs 12
Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.
Individual APIs this provider publishes, each with its own machine-readable definition.
Prometheus Fuels news-articles API
The news-articles API from Prometheus Fuels — 10 operation(s) over the site's `news-articles` custom post type, the company's published press and news coverage. Read operations ...
Prometheus Fuels pages API
The pages API from Prometheus Fuels — 13 operation(s) for pages, including revisions and autosaves.
Prometheus Fuels posts API
The posts API from Prometheus Fuels — 13 operation(s) for posts, including revisions and autosaves.
Prometheus Fuels media API
The media API from Prometheus Fuels — 9 operation(s) for the site's media library.
Prometheus Fuels categories API
The categories API from Prometheus Fuels — 7 operation(s) for categories.
Prometheus Fuels tags API
The tags API from Prometheus Fuels — 7 operation(s) for tags.
Prometheus Fuels comments API
The comments API from Prometheus Fuels — 7 operation(s) for comments.
Prometheus Fuels users API
The users API from Prometheus Fuels — 21 operation(s) for users and application-password management. The collection read is anonymous; everything else requires authentication.
Prometheus Fuels search API
The search API from Prometheus Fuels — 1 operation for cross-type site search.
Prometheus Fuels taxonomies API
The taxonomies API from Prometheus Fuels — 2 operation(s) describing the site's taxonomies.
Prometheus Fuels types API
The types API from Prometheus Fuels — 2 operation(s) describing the site's content types.
Prometheus Fuels statuses API
The statuses API from Prometheus Fuels — 2 operation(s) describing publication statuses.
Scroll within the panel for all 12 ·
Open Collections 13
Open, tool-agnostic collections carry the same runnable value as Postman without locking you to one client — the portable, forkable form of the same exercise.
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
API Collection
OPEN COLLECTIONScroll within the panel for all 13 ·
MCP Servers 1
Model Context Protocol servers expose these APIs directly to AI agents. We profile them because agent-native access is the fastest-growing way this provider's capabilities actually get used.
Model Context Protocol servers that expose these APIs to AI agents.
prometheus-fuels-mcp.yml
MCP SERVERSecurity Posture 2
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 Prometheus Fuels — 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.
Agent Surfaces 4
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 5
Pagination, idempotency, versioning, errors, and events
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 2
Authentication, authorization, and security posture
Learn 1
Tutorials, courses, talks, and written guidance
Company 4
The organization behind the API
Other 2
Properties that don't map to a standard resource type
← All providers · Data indexed from github.com/api-evangelist/prometheus-fuels · machine-readable index on apis.io
This is an independent, third-party profile of Prometheus Fuels, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.
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you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.