PulseGatePost-LLM software, agents & workflows market (since 2022)
Coverage
168,991

Apps indexed

 

Freshness
7 min ago

Last update

 

Cadence
1,528/day

7-day average

Indexed today: 1,153

PulseGate

Market catalog for public software products, models, infra, and workflow tools.

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KOS Protocol

kosprotocol.dev·Infrastructure

KOS Protocol is an open-source framework and standard for publishing structured, provenance-tracked knowledge via kos.json files. It allows entities to expose verifiable facts and relationships for AI agents, supporting trust and citation in automated systems.

Open SourceOpen Source
WebCLIAPISelf-hosted
K
KOS Protocol preview
Visit kosprotocol.dev↗

Overview

5 features

KOS Protocol sits in PulseGate's Frameworks & SDKs category. It focuses on enabling entities to publish verifiable, machine-readable knowledge for AI agents to consume and trust. It is built as an open-source project for AI developers and data publishers. KOS Protocol is open source under the Open Source license. KOS Protocol is available on the web, the command line, and API, and it can be self-hosted.

KOS Protocol first shipped in 2024. PulseGate's similarity index finds few close equivalents — KOS Protocol occupies a relatively distinct niche. Key capabilities include provenance tracking, structured data, and open standard. It exposes integrations via a public API.

  • ✓Provenance tracking
  • ✓Structured data
  • ✓Open standard
  • ✓CLI tools
  • ✓API access

Tags

provenance-trackingknowledge-graphai-agents

AI capabilities

StructuredWeights: Open

Built with & integrations

Connectors
API
Runs on
BrowserCLIAPI-onlySelf-hosted

Trust & compliance

LicenseOpen Source
Verified signals
✓ HTTPS✓ Open Source✓ Free tier

Recent events

Latest indexed changes and source events

  1. IndexedJun 25, 11:55 PM

    kosprotocol.dev discovered by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about KOS Protocol

What does KOS Protocol do?
KOS Protocol focuses on enabling entities to publish verifiable, machine-readable knowledge for AI agents to consume and trust. It is catalogued under Frameworks & SDKs on PulseGate.
Who is KOS Protocol for?
KOS Protocol is an open-source project built for AI developers and data publishers.
Is KOS Protocol free?
Yes — KOS Protocol is open source under the Open Source license and free to use.
What platforms does KOS Protocol run on?
KOS Protocol runs on the web, the command line, and API. It can also be self-hosted.
Is KOS Protocol still maintained?
PulseGate's automated liveness checks currently classify KOS Protocol as active.
What are alternatives to KOS Protocol?
Similar tools tracked by PulseGate include Concept Kernel Protocol, Kronos Agent OS (KAOS), and TaskOS.Concept Kernel ProtocolKronos Agent OS (KAOS)TaskOS
When did KOS Protocol launch?
KOS Protocol first shipped in 2024.
Is KOS Protocol open source?
Yes — KOS Protocol is open source under the Open Source license.

At a glance

Platforms
Cli · Web
Languages
English
License
Open Source
First seen
Aug 8, 2024
Activity
🟢 Active
Status
🟢 Active
Built for
AI developers and data publishers
Model
Open source
Solves
Enabling entities to publish verifiable, machine-readable knowledge for AI agents to consume and trust.

Developer

Kosprotocol

PulseGate index

Confidence
Medium · 73
Indexed
Jun 25, 2026
Lifecycle
Alive
Activity
Active
First seen
Aug 2024
Last seen
3w ago
Freshness
Unknown
Identity audit (9)
Entity ID
cmqu5xvkv0sktdntvh8cyihrg
Slug
kos-protocol-the-knowledge-layer-machines-trust-kosprotocol-dev
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jun 25, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jun 25, 2026
Canonical URL
https://kosprotocol.dev/

Similar apps

Other apps tracked under the same category.

  • Concept Kernel Protocol
    conceptkernel.org
  • Kronos Agent OS (KAOS)
    github.com
  • TaskOS
    pypi.org
  • Kosmo
    joinkosmo.com
  • Comake
    comake.io
  • Open Context Protocol
    opencontextprotocol.ai