Prelude

Prelude Security is now Origin, an endpoint AI observability platform that inventories, observes, and measures the use of AI agents and Model Context Protocol (MCP) servers across an enterprise fleet. Deployed as a lightweight endpoint agent, Origin gives security and IT teams discovery of sanctioned and unsanctioned agents and MCP servers, security visibility into agent prompts, tool calls, file access and network activity, and spend tracking across models and teams. Origin also publishes a hosted, OAuth 2.1-secured MCP server that lets agents query endpoint and agent observability data in natural language. Backed by Insight Partners.

Prelude publishes 1 API on the APIs.io network. Tagged areas include Company, Cybersecurity, AI Security, AI Observability, and Endpoint Security.

Prelude’s developer surface includes documentation, getting-started guide, support, engineering blog, changelog, pricing, authentication, and 12 more developer resources.

🌐 Visit website 📡 Source on GitHub
30.6/100 thin ▬ flat Agent 25/100 agent aware Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
1 APIs 1 MCP Servers
CompanyCybersecurityAI SecurityAI ObservabilityEndpoint SecurityAI AgentsModel Context ProtocolMCPInsight Partners

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 30.6/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 10.9 / 20
Commercial Clarity 8.4 / 20
Operational Transparency 2.1 / 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/prelude: 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.

Origin Analytics MCP Server

Hosted, OAuth 2.1-secured Model Context Protocol server that lets agents run read-only structured queries against a tenant's endpoint and agent observability data (schema discov...

MCP Servers 1

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

prelude-mcp.yml

MCP SERVER

Security Posture 2

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

Prelude Authentication

oauth2 · 1 scheme

SECURITY

Prelude Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 Login
Login

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

Lifecycle
Lifecycle
 Conformance
Conformance

Access & Security 3

Authentication, authorization, and security posture

Compliance
Compliance
 Authentication
Authentication
 DomainSecurity
DomainSecurity

Operate 3

Status, limits, changes, and where to get help

Support
Support
 ChangeLog
ChangeLog
 ChangeLog
ChangeLog

Commercial 2

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
x-enrichment:
  date: '2026-07-20'
  status: enriched
  artifacts_added: 10
  pass: local-v1
aid: prelude
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
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/prelude.png
name: Prelude
description: Prelude Security is now Origin, an endpoint AI observability platform that inventories, observes, and measures
  the use of AI agents and Model Context Protocol (MCP) servers across an enterprise fleet. Deployed as a lightweight endpoint
  agent, Origin gives security and IT teams discovery of sanctioned and unsanctioned agents and MCP servers, security visibility
  into agent prompts, tool calls, file access and network activity, and spend tracking across models and teams. Origin also
  publishes a hosted, OAuth 2.1-secured MCP server that lets agents query endpoint and agent observability data in natural
  language. Backed by Insight Partners.
url: https://raw.githubusercontent.com/api-evangelist/prelude/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- insight-partners
x-tier: stub
x-tier-reason: portfolio-lead
x-rebrand:
  former_name: Prelude Security
  current_name: Origin
  current_domain: originhq.com
  note: preludesecurity.com 301-redirects to originhq.com/preludesecurity
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Cybersecurity
- AI Security
- AI Observability
- Endpoint Security
- AI Agents
- Model Context Protocol
- MCP
- Insight Partners
apis:
- name: Origin Analytics MCP Server
  description: Hosted, OAuth 2.1-secured Model Context Protocol server that lets agents run read-only structured queries against
    a tenant's endpoint and agent observability data (schema discovery + analytics query), constrained by the caller's Origin
    dashboard role.
  humanURL: https://support.originhq.com/docs/origin-mcp-server
  baseURL: https://mcp.prod.originhq.com/mcp
  properties:
  - type: MCPServer
    url: mcp/prelude-mcp.yml
  - type: Documentation
    url: https://support.originhq.com/docs/origin-mcp-server
  - type: Authentication
    url: authentication/prelude-authentication.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.originhq.com/
- type: DeveloperPortal
  url: https://support.originhq.com
- type: Documentation
  url: https://support.originhq.com
- type: GettingStarted
  url: https://support.originhq.com/docs/welcome-to-origin
- type: Support
  url: https://support.originhq.com
- type: Blog
  url: https://www.originhq.com/blog
- type: ChangeLog
  url: https://www.originhq.com/changelog
- type: Pricing
  url: https://www.originhq.com/pricing
- type: Login
  url: https://dashboard.originhq.com
- type: TermsOfService
  url: https://www.originhq.com/legal/service-terms
- type: Compliance
  url: https://www.originhq.com/legal/service-terms
- type: MCPServer
  url: mcp/prelude-mcp.yml
- type: LLMsTxt
  url: llms/prelude-llms.txt
- type: WellKnown
  url: well-known/prelude-well-known.yml
- type: Authentication
  url: authentication/prelude-authentication.yml
- type: Lifecycle
  url: lifecycle/prelude-lifecycle.yml
- type: ChangeLog
  url: changelog/prelude-changelog.yml
- type: Conformance
  url: conformance/prelude-conformance.yml
- type: DomainSecurity
  url: security/prelude-domain-security.yml