Soylent

Soylent is a nutrition company known for its plant-based, complete-nutrition meal-replacement drinks, powders, and bars, sold direct-to-consumer through its Shopify-powered online store at soylent.com. It reached the API Evangelist network as a portfolio company of a16z and GV. Soylent publishes no traditional developer program, but its storefront is agent-native: it implements the Universal Commerce Protocol (UCP) with a live MCP endpoint for agent-driven catalog search, cart, and buyer-approved checkout; publishes /llms.txt and /agents.md agent instructions; and exposes Shopify Customer Account OAuth 2.0 / OpenID Connect authentication with a discoverable authorization server. This profile captures that agent-commerce and authentication surface.

Soylent publishes 1 API on the APIs.io network. Tagged areas include Company, Consumer, Nutrition, Food and Beverage, and Meal Replacement.

Soylent’s developer surface includes authentication, documentation, engineering blog, support, signup flow, and 10 more developer resources.

🌐 Visit website 📡 Source on GitHub
23.1/100 emerging ▬ flat Agent 25/100 agent aware Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
1 APIs 1 MCP Servers
CompanyConsumerNutritionFood and BeverageMeal ReplacementEcommerceRetailDirect-to-ConsumerAgent CommerceUniversal Commerce ProtocolShopifyMCP

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 23.1/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 7.0 / 20
Commercial Clarity 6.8 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 25/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 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 4 / 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/soylent: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Soylent Agent Commerce (UCP / MCP)

Agent-facing commerce surface for the Soylent storefront implementing the Universal Commerce Protocol over MCP: catalog search, cart, checkout, and fulfillment with a buyer-appr...

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

soylent-mcp.yml

MCP SERVER

Security Posture 2

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

Soylent Authentication

oauth2/openIdConnect · 1 scheme

SECURITY

Soylent Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Soylent Scopes

4 scopes · authorizationCode

4 scopes

SCOPES

Resources

Get Started 1

Portal, sign-up, and the first successful call

SignUp
SignUp

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

MCPServer
MCPServer
 LLMsTxt
LLMsTxt
 WellKnown
WellKnown

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Conformance
Conformance
 Conventions
Conventions

Access & Security 3

Authentication, authorization, and security posture

Authentication
Authentication
 OAuthScopes
OAuthScopes
 DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support
Support

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy
PrivacyPolicy
 TermsOfService
TermsOfService

Company 2

The organization behind the API

Blog
Blog
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: soylent
name: Soylent
description: 'Soylent is a nutrition company known for its plant-based, complete-nutrition meal-replacement drinks, powders,
  and bars, sold direct-to-consumer through its Shopify-powered online store at soylent.com. It reached the API Evangelist
  network as a portfolio company of a16z and GV. Soylent publishes no traditional developer program, but its storefront is
  agent-native: it implements the Universal Commerce Protocol (UCP) with a live MCP endpoint for agent-driven catalog search,
  cart, and buyer-approved checkout; publishes /llms.txt and /agents.md agent instructions; and exposes Shopify Customer Account
  OAuth 2.0 / OpenID Connect authentication with a discoverable authorization server. This profile captures that agent-commerce
  and authentication surface.'
url: https://raw.githubusercontent.com/api-evangelist/soylent/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
- gv
x-tier: profiled
x-tier-reason: agent-commerce-surface-found
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
image: https://soylent.com/cdn/shop/files/soylent_logo-01.png
tags:
- Company
- Consumer
- Nutrition
- Food and Beverage
- Meal Replacement
- Ecommerce
- Retail
- Direct-to-Consumer
- Agent Commerce
- Universal Commerce Protocol
- Shopify
- MCP
apis:
- name: Soylent Agent Commerce (UCP / MCP)
  description: 'Agent-facing commerce surface for the Soylent storefront implementing the Universal Commerce Protocol over
    MCP: catalog search, cart, checkout, and fulfillment with a buyer-approval invariant on payment. Discoverable via /.well-known/ucp
    and /llms.txt; tool schemas are gated behind a UCP agent-profile identity handshake.'
  humanURL: https://soylent.com/llms.txt
  baseURL: https://soylent.com/api/ucp/mcp
  tags:
  - Agent Commerce
  - MCP
  - Universal Commerce Protocol
  - Ecommerce
  properties:
  - type: MCPServer
    url: mcp/soylent-mcp.yml
  - type: LLMsTxt
    url: llms/soylent-llms.txt
  - type: WellKnown
    url: well-known/soylent-well-known.yml
  - type: Authentication
    url: authentication/soylent-authentication.yml
  - type: OAuthScopes
    url: scopes/soylent-scopes.yml
  - type: Conformance
    url: conformance/soylent-conformance.yml
  - type: Conventions
    url: conventions/soylent-conventions.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: MCPServer
  url: mcp/soylent-mcp.yml
- type: LLMsTxt
  url: llms/soylent-llms.txt
- type: WellKnown
  url: well-known/soylent-well-known.yml
- type: Authentication
  url: authentication/soylent-authentication.yml
- type: OAuthScopes
  url: scopes/soylent-scopes.yml
- type: Conformance
  url: conformance/soylent-conformance.yml
- type: Conventions
  url: conventions/soylent-conventions.yml
- type: DomainSecurity
  url: security/soylent-domain-security.yml
- type: Documentation
  url: https://ucp.dev/2026-04-08/specification/overview/
- type: Blog
  url: https://soylent.com/blogs/news
- type: Support
  url: https://soylent.com/pages/contact
- type: SignUp
  url: https://soylent.com/account/login
- type: PrivacyPolicy
  url: https://soylent.com/policies/privacy-policy
- type: TermsOfService
  url: https://soylent.com/policies/terms-of-service
- type: Website
  url: https://soylent.com
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 10
  pass: local-v1