<!-- Canonical: https://www.agentlist.io/systems/agntcy -->

# AGNTCY

[08 agent-communication](https://www.agentlist.io/categories/agent-communication)/[AGNTCY](https://www.agentlist.io/ai/agntcy)/ACTIVE/aka Internet of Agents

AGNTCY is the Cisco-originated 'Internet of Agents' collective — an open-source stack for agent discovery (directory), secure messaging (SLIM), identity, and observability across vendors.

-   [Agent-to-agent protocol](https://www.agentlist.io/capabilities/a2a)
-   [Agent identity & auth](https://www.agentlist.io/capabilities/identity)
-   [API-native](https://www.agentlist.io/capabilities/api-native)

SEC.01

## What it does

-   01Agent directory
-   02SLIM messaging fabric
-   03Identity and badges
-   04Observability SDKs
-   05Linux Foundation project

SEC.02

## Who it's for

Teams building a multi-vendor agent fabric who want the whole stack — discovery, transport, identity — not just a message schema.

PRICING

## Pricing

Free (OSS, Apache-2.0). List prices as checked against the vendor's pricing page on 2026-09-25; plans change often, so confirm before deciding.

caveat · before you adopt

Broad scope and early: components ship at different maturity levels, and the task layer overlaps with A2A.

ALT

## Other agent communication platforms (12)

[OpenScout / Scout OpenScout · agent-communication cli/api · local · Free (OSS), local](https://www.agentlist.io/systems/scout)

[A2A Protocol A2A Project · agent-communication api · local/cloud · Open protocol (free)](https://www.agentlist.io/systems/a2a)

[Agent Network Protocol Community / OSS · agent-communication api · local/cloud · Open protocol (free)](https://www.agentlist.io/systems/anp)

[NANDA NANDA (MIT Media Lab) · agent-communication api · local/cloud · Free (research project)](https://www.agentlist.io/systems/nanda)

[BeeAI IBM · agent-communication api/cli · local/cloud · Free (OSS, Apache-2.0)](https://www.agentlist.io/systems/beeai)

[CrewAI CrewAI · agent-communication api/cli · local/cloud · Free OSS core; CrewAI Enterprise paid (verify)](https://www.agentlist.io/systems/crewai)

[Microsoft Agent Framework Microsoft · agent-communication api · local/cloud · Free OSS (MIT); Azure hosting via Foundry](https://www.agentlist.io/systems/agent-framework)

[LangGraph LangChain · agent-communication api · local/cloud · Free OSS; LangGraph Platform paid tiers](https://www.agentlist.io/systems/langgraph)

[MetaGPT DeepWisdom · agent-communication api/cli · local/cloud · Free OSS; MGX hosted product paid (verify)](https://www.agentlist.io/systems/metagpt)

[CAMEL CAMEL-AI · agent-communication api · local/cloud · Free (OSS, Apache-2.0)](https://www.agentlist.io/systems/camel)

[Agency Swarm VRSEN · agent-communication api · local/cloud · Free (OSS)](https://www.agentlist.io/systems/agency-swarm)

[OpenAI Agents SDK OpenAI · agent-communication api · local/cloud · Free (OSS SDK); model usage metered](https://www.agentlist.io/systems/openai-agents-sdk)

VS

## Head-to-head (1)

-   [→AGNTCY vs A2A Protocol](https://www.agentlist.io/compare/a2a-vs-agntcy)

FAQ

## Frequently asked

### What is AGNTCY?

AGNTCY is the Cisco-originated 'Internet of Agents' collective — an open-source stack for agent discovery (directory), secure messaging (SLIM), identity, and observability across vendors.

### Who is AGNTCY for?

Teams building a multi-vendor agent fabric who want the whole stack — discovery, transport, identity — not just a message schema.

### How much does AGNTCY cost?

Free (OSS, Apache-2.0). List prices as checked against the vendor's pricing page on 2026-09-25; plans change often, so confirm before deciding.

### Does AGNTCY run locally or in the cloud?

AGNTCY runs locally on your machine and in the vendor's cloud. Its interfaces are an API or protocol.

### What are alternatives to AGNTCY?

Other agent communication platform entries in the catalog: OpenScout / Scout, A2A Protocol, Agent Network Protocol, NANDA, BeeAI, CrewAI, Microsoft Agent Framework, LangGraph, MetaGPT, CAMEL, Agency Swarm, OpenAI Agents SDK. Different categories solve the same problem differently — see the Agent communication & collaboration category page for tradeoffs.

### What should I know before adopting AGNTCY?

Broad scope and early: components ship at different maturity levels, and the task layer overlaps with A2A.

Spec sheet

**Name**: AGNTCY

**Vendor**: [AGNTCY](https://www.agentlist.io/ai/agntcy)

**Category**: [Agent communication & collaboration](https://www.agentlist.io/categories/agent-communication)

**Interfaces**: api

**Hosting**: local · cloud

**Pricing**: Free (OSS, Apache-2.0)

**Status**: actively maintained

**Speaks**: -   [AGNTCY / SLIM](https://www.agentlist.io/transports/agntcy-slim)

**Aliases**: Internet of Agents

**Record ID**: `sys://agntcy/agntcy`

**Verified**: [2026-09-25](https://www.agentlist.io/changelog)

Sources

-   [↗ agntcy.org](https://agntcy.org/)
-   [↗ github.com/agntcy](https://github.com/agntcy)

Catalog entries are editorial records, not paid placements or endorsements. Pricing and status are approximate as of the seed date.

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