Tlon Corporation

Tlon Corporation builds Tlon Messenger, a self-owned, self-hosted social messaging app that runs on the user's own Urbit ship, and Tlon Hosting, which runs managed ships under tlon.network. Every account ships with Tlonbot, an OpenClaw-powered AI agent. Developers integrate through the Urbit ship HTTP API (Eyre channels) using the @tloncorp/api and @urbit/http-api TypeScript clients, and through the first-party Tlon MCP Server that exposes messaging, groups, channels, and profile tools to agents. Backed by a16z.

Tlon Corporation publishes 1 API on the APIs.io network. Tagged areas include Company, Messaging, Social, Urbit, and Self-Hosting.

Tlon Corporation’s developer surface includes documentation, API reference, getting-started guide, engineering blog, changelog, support, signup flow, and 14 more developer resources.

🌐 Visit website 📡 Source on GitHub
31.4/100 thin ▬ flat Agent 16/100 agent aware Full breakdown ↓
scored 2026-07-27 · rubric v0.5
1 APIs 1 MCP Servers
CompanyMessagingSocialUrbitSelf-HostingDecentralizationAgentsMCPChatHosting

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 31.4/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 12.6 / 20
Commercial Clarity 6.8 / 20
Operational Transparency 2.7 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 16/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 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 5 / 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/tlon-corporation: 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.

Urbit HTTP API (Tlon)

The Urbit ship HTTP API (Eyre channels) that powers Tlon Messenger. Clients authenticate to a ship with its +code access code, then poke and subscribe over a channel to send/rea...

MCP Servers 1

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

Tlon MCP Server

First-party open-source MCP server (tloncorp/tlon-mcp-server) exposing ~30 tools for Tlon Messenger over a running Urbit ship; stdio or http transport.

MCP SERVER

Security Posture 1

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

Tlon Corporation Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 SignUp
SignUp

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

MCPServer
MCPServer
 AgentSkill
AgentSkill
 LLMsTxt
LLMsTxt

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 Packages
Packages
 SDKs
SDKs

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 3

Status, limits, changes, and where to get help

ChangeLog
ChangeLog
 ChangeLog
ChangeLog
 Support
Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 3

The organization behind the API

Website
Website
 Blog
Blog
 Twitter
Twitter

Source (apis.yml)

apis.yml Raw ↑ 
aid: tlon-corporation
name: Tlon Corporation
description: Tlon Corporation builds Tlon Messenger, a self-owned, self-hosted social messaging app that runs on the user's
  own Urbit ship, and Tlon Hosting, which runs managed ships under tlon.network. Every account ships with Tlonbot, an OpenClaw-powered
  AI agent. Developers integrate through the Urbit ship HTTP API (Eyre channels) using the @tloncorp/api and @urbit/http-api
  TypeScript clients, and through the first-party Tlon MCP Server that exposes messaging, groups, channels, and profile tools
  to agents. Backed by a16z.
url: https://raw.githubusercontent.com/api-evangelist/tlon-corporation/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
x-tier: profiled
x-tier-reason: enriched-from-public-surface
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: '2026-07-21'
image: https://tlon.io/apple-touch-icon.png
tags:
- Company
- Messaging
- Social
- Urbit
- Self-Hosting
- Decentralization
- Agents
- MCP
- Chat
- Hosting
apis:
- aid: tlon-corporation:urbit-http-api
  name: Urbit HTTP API (Tlon)
  humanURL: https://docs.urbit.org
  baseURL: https://tlon.network
  tags:
  - Messaging
  - Urbit
  - HTTP API
  description: The Urbit ship HTTP API (Eyre channels) that powers Tlon Messenger. Clients authenticate to a ship with its
    +code access code, then poke and subscribe over a channel to send/read messages, manage groups and channels, and read
    activity. Wrapped by @tloncorp/api and @urbit/http-api.
  properties:
  - url: https://docs.urbit.org
    type: Documentation
  - url: https://github.com/tloncorp/api-beta
    type: APIReference
  - url: conventions/tlon-corporation-conventions.yml
    type: Conventions
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/tlon-corporation-domain-security.yml
- type: Website
  url: https://tlon.io
- type: DeveloperPortal
  url: https://docs.urbit.org
- type: Documentation
  url: https://docs.urbit.org
- type: APIReference
  url: https://github.com/tloncorp/api-beta
- type: GettingStarted
  url: https://docs.urbit.org/get-on-urbit
- type: GitHubOrganization
  url: https://github.com/tloncorp
- type: Blog
  url: https://tlon.io/posts
- type: ChangeLog
  url: https://tlon.io/changelog
- type: ChangeLog
  url: changelog/tlon-corporation-changelog.yml
- type: Support
  url: https://tlon.io/posts/faq
- type: SignUp
  url: https://tlon.network/login
- type: TermsOfService
  url: https://tlon.io/terms
- type: PrivacyPolicy
  url: https://tlon.io/privacy
- type: Twitter
  url: https://twitter.com/tloncorporation
- type: Packages
  url: packages/tlon-corporation-packages.yml
- type: SDKs
  url: packages/tlon-corporation-packages.yml
- type: MCPServer
  url: mcp/tlon-corporation-mcp.yml
  name: Tlon MCP Server
  description: First-party open-source MCP server (tloncorp/tlon-mcp-server) exposing ~30 tools for Tlon Messenger over a
    running Urbit ship; stdio or http transport.
- type: AgentSkill
  url: skills/_index.yml
- type: LLMsTxt
  url: llms/tlon-corporation-llms.txt
- type: Conventions
  url: conventions/tlon-corporation-conventions.yml
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 8
  pass: local-v1