Travel World

Travel World is the agent-native travel product of Augmented Worlds (augworlds.ai), an invite-only private beta in which members get a personal travel agent that searches and compares real flights and hotels, checks airline flight status by number, pulls city guides, and shapes results with saved loyalty programs and preferences, then hands checkout to the member as a Stripe Link so nothing is charged without a human present. It is exposed to agents as a remote MCP server gated by OAuth 2.1 (dynamic client registration + PKCE) or a tvl_ personal access token, and as an A2A 1.0 agent card with a bearer-gated JSON-RPC endpoint, both on travel.augworlds.ai. No REST contract, SDK or CLI is published; membership is free but by invitation.

Travel World is listed with 2 APIs on the APIs.io network. Tagged areas include Company, Travel, Flights, Hotels, and Travel Agent.

Travel World’s developer surface includes pricing, documentation, signup flow, authentication, and 15 more developer resources.

29.3/100 thin ▬ flat Agent 33/100 agent ready Front door AI 1/6 silent Full breakdown ↓
scored 2026-10-09 · rubric v0.23.0
2 APIs 1 MCP Servers
CompanyTravelFlightsHotelsTravel AgentMCPA2AAI AgentsAuthenticationMarketplace

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-10-09 · rubric v0.23.0
Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.
Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.
The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/augworlds-ai: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 2

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

Travel World MCP Server

Remote Model Context Protocol server (Streamable HTTP) at https://travel.augworlds.ai/mcp. Clients authenticate with OAuth 2.1 — the client registers itself and runs authorizati...

Travel World A2A Agent

Agent-to-Agent surface declared by the A2A 1.0 agent card at https://travel.augworlds.ai/.well-known/agent-card.json: a JSONRPC binding at https://travel.augworlds.ai/a2a secure...

MCP Servers 1

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

Travel World MCP Server

Travel World operates ONE remote MCP server at https://travel.augworlds.ai/mcp (Streamable HTTP, hosted on Vercel). It is gated: an anonymous POST tools/list or initialize retur...

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Augworlds Ai Rate Limits

0 limits

RATE LIMITS

Security Posture 2

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

Augworlds Ai Authentication

oauth2/http · 3 schemes

SECURITY

Augworlds Ai Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Augworlds Ai Scopes

6 scopes

6 scopes

SCOPES

Resources

Get Started 2

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

Access & Security 3

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 4

Pricing, plans, and the legal terms of use

Company 1

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: augworlds-ai
name: Travel World
description: Travel World is the agent-native travel product of Augmented Worlds (augworlds.ai), an invite-only private beta
  in which members get a personal travel agent that searches and compares real flights and hotels, checks airline flight status
  by number, pulls city guides, and shapes results with saved loyalty programs and preferences, then hands checkout to the
  member as a Stripe Link so nothing is charged without a human present. It is exposed to agents as a remote MCP server gated
  by OAuth 2.1 (dynamic client registration + PKCE) or a tvl_ personal access token, and as an A2A 1.0 agent card with a bearer-gated
  JSON-RPC endpoint, both on travel.augworlds.ai. No REST contract, SDK or CLI is published; membership is free but by invitation.
image: https://travel.augworlds.ai/favicon.ico
url: https://raw.githubusercontent.com/api-evangelist/augworlds-ai/refs/heads/main/apis.yml
x-type: company
x-source: harvest:a2a-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-09-19 (local-v3) on the a2a-registry harvest stub
specificationVersion: '0.20'
created: '2026-09-19'
modified: '2026-09-19'
tags:
- Company
- Travel
- Flights
- Hotels
- Travel Agent
- MCP
- A2A
- AI Agents
- Authentication
- Marketplace
tags_raw:
- Company
- Travel
- Flights
- Hotels
- Travel Agent
- MCP
- A2A
- AI Agents
- OAuth
- Marketplace
apis:
- name: Travel World MCP Server
  description: Remote Model Context Protocol server (Streamable HTTP) at https://travel.augworlds.ai/mcp. Clients authenticate
    with OAuth 2.1 — the client registers itself and runs authorization_code + PKCE with a browser sign-in — or with a tvl_
    personal access token for CI and non-OAuth clients. Anonymous tools/list returns 401 with an RFC 9728 resource_metadata
    challenge, so the tool list is not publicly introspectable; the authorization server publishes six mcp:* scopes (tools:list,
    tk:read, brandlanes:read, search:read, profile:apply, observations:write) and the docs describe flight and hotel search,
    flight status, city guides and preference-shaped results. Rate-limited per key with 429 + Retry-After.
  image: https://travel.augworlds.ai/favicon.ico
  humanURL: https://augworlds.ai/mcp
  baseURL: https://travel.augworlds.ai/mcp
  tags:
  - MCP
  - Travel
  - Flights
  - Hotels
  - Authentication
  tags_raw:
  - MCP
  - Travel
  - Flights
  - Hotels
  - OAuth
  properties:
  - type: MCPServer
    url: mcp/augworlds-ai-mcp.yml
  - type: MCPServer
    url: https://travel.augworlds.ai/mcp
  - type: Documentation
    url: https://augworlds.ai/mcp
  - type: OAuthScopes
    url: scopes/augworlds-ai-scopes.yml
  - type: Authentication
    url: authentication/augworlds-ai-authentication.yml
  - type: RateLimits
    url: rate-limits/augworlds-ai-rate-limits.yml
  - type: ErrorCatalog
    url: errors/augworlds-ai-problem-types.yml
- name: Travel World A2A Agent
  description: 'Agent-to-Agent surface declared by the A2A 1.0 agent card at https://travel.augworlds.ai/.well-known/agent-card.json:
    a JSONRPC binding at https://travel.augworlds.ai/a2a secured by a Travel World-issued opaque ApiKey bearer token, with
    streaming on, push notifications off and an authenticated extended card. The public card advertises an empty skills array;
    an unauthenticated JSON-RPC call returns 401 (-32001 "Missing or invalid bearer token"). The card''s documentationUrl
    (/marketplace) redirects to member sign-in.'
  image: https://travel.augworlds.ai/favicon.ico
  humanURL: https://augworlds.ai/
  baseURL: https://travel.augworlds.ai/a2a
  tags:
  - A2A
  - AI Agents
  - Travel
  properties:
  - type: AgentCard
    url: a2a/augworlds-ai-a2a.yml
  - type: AgentCard
    url: https://travel.augworlds.ai/.well-known/agent-card.json
  - type: Authentication
    url: authentication/augworlds-ai-authentication.yml
  - type: ErrorCatalog
    url: errors/augworlds-ai-problem-types.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Pricing
  url: https://augworlds.ai/
- type: Website
  url: https://augworlds.ai/
- type: Documentation
  url: https://augworlds.ai/mcp
- type: SignUp
  url: https://augworlds.ai/
- type: Login
  url: https://travel.augworlds.ai/api/auth/login
- type: PrivacyPolicy
  url: https://travel.augworlds.ai/privacy
- type: TermsOfService
  url: https://travel.augworlds.ai/terms
- type: MCPServer
  url: mcp/augworlds-ai-mcp.yml
- type: AgentCard
  url: a2a/augworlds-ai-a2a.yml
- type: WellKnown
  url: well-known/augworlds-ai-well-known.yml
- type: OAuthScopes
  url: scopes/augworlds-ai-scopes.yml
- type: Authentication
  url: authentication/augworlds-ai-authentication.yml
- type: Conformance
  url: conformance/augworlds-ai-conformance.yml
- type: Conventions
  url: conventions/augworlds-ai-conventions.yml
- type: ErrorCatalog
  url: errors/augworlds-ai-problem-types.yml
- type: RateLimits
  url: rate-limits/augworlds-ai-rate-limits.yml
- type: Plans
  url: plans/augworlds-ai-plans-pricing.yml
- type: LLMsTxt
  url: llms/augworlds-ai-llms.txt
- type: DomainSecurity
  url: security/augworlds-ai-domain-security.yml
x-enrichment:
  date: '2026-09-19'
  status: enriched
  artifacts_added: 13
  pass: local-v3
x-coverage:
  state: covered
  reason: gated-tools-public-discovery
  detail: MCP tools/list and the A2A extended card are behind an invite-only member credential (401), but the agent card,
    RFC 8414/9728 discovery documents and the public MCP docs were all fetched and profiled.
  evidence:
  - url: https://travel.augworlds.ai/mcp
    status: 401
  - url: https://travel.augworlds.ai/.well-known/agent-card.json
    status: 200
  - url: https://augworlds.ai/mcp
    status: 200
  checked: '2026-09-19'
x-a2a:
  verified: true
  probed: '2026-09-26'
  url: https://travel.augworlds.ai/.well-known/agent-card.json
  grade: flavored
  protocol_version: '1.0'
  control: 404

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