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AGNTCY Identity allows to onboard, create and verify identities for Agents, Model Context Protocol (MCP) Servers and Multi-Agent Systems (MASs).

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Identity

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Welcome to the Identity repository

AGNTCY Identity provides a secure and verifiable method to uniquely identify agents through open and decentralized techniques. Each agent is assigned a universally unique identifier, backed by verifiable credentials (VCs). AGNTCY Identity enables to bring your own identity using conventions like IDs assigned by Identity Providers (e.g., Okta) or Agent Cards (e.g., Googleโ€™s A2A), or be assigned an ID following standards (e.g., W3C DIDs). This component ensures that every agent in the AGNTCY ecosystem has a verifiable, universally unique identity, enabling secure authentication, trusted communication, and interoperability across diverse multi-agent systems, regardless of the identity assignment method.

  • The ID is linked to a ResolverMetadata object for secure and automated verification.
  • The ID can be linked to one or more Agent Badges. Why? Multiple badges can provide nuanced, task-specific access to different systems without over-privileging the agent. Agent Badges contain Verifiable Credentials (VCs), which include:
    • The Agent's ID
    • Schema definition (e.g., OASF)
    • Metadata for authentication and other security needs.

[!NOTE] This same structure applies to MCP Servers and MASs, ensuring consistency across all identity-bearing entities in the IoA.

๐Ÿ“š Table of Contents

You can also:

๐Ÿš€ Architecting Agentic Trust

  • Core Principle: Trust is foundational for the Internet of Agents.
  • Identity as the Root: AGNTCY Identity ensures Agents and Tools (MCP Servers) are verifiably authentic.
  • Flexible & Interoperable: BYOID (Bring Your Own ID), integrates with existing Identity Providers (IdPs).

Secure and reliable communication between software agents is a cornerstone of the Internet of Agents (IoA) vision. Without proper identity management, malicious or unverified agents can infiltrate Multi-Agent Systems (MASs), leading to misinformation, fraud, or security breaches. To mitigate these risks, the AGNTCY provides a standardized and consistent framework for authenticating agents and validating associated metadata. This applies equally to:

  • Agents
  • Model Context Protocol (MCP) Servers
  • MASs (Multi-Agent Systems)

[!TIP] This repository includes an AI Agent and MCP Server to showcase the AGNTCY Identity components in action!

๐ŸŒŸ Features & Main Components

Features

  • Identity creation: Generate unique, verifiable identities for agents and MCP servers.
  • Existing identity onboarding: Integrate identities from external IdPs.
  • Badges creation & verification: Authenticate agents and MCP servers and validate metadata.

Main Components

  • Issuer CLI: Manage identities, vaults and credentials via command-line interface.
  • Node Backend: Backend server for identity management and metadata.

โšก๏ธ Get Started in 5 Minutes

This short guide allows you to setup the Identity Issuer CLI as well as the Identity Node Backend. The Issuer CLI allows to generate, register, search for, and verify badges for Agents and MCP Servers. The CLI includes a library enabling storage and retrieval of the keys required to sign the badges, both on local storage or using a 3rd party wallet or vault. The Node Backend comprises the APIs and the backend core. It stores, maintains, and binds org:sub-org IDs, PubKeys, Subject IDs and metadata, including badges, ResolverMetadata and Verifiable Credentials (VCs).

Prerequisites

To run these steps successfully, you need to have the following installed:

Step 1: Install the Issuer CLI

Use the following command to install the Issuer CLI:

using curl:

sh -c "$(curl -sSL https://raw.githubusercontent.com/agntcy/identity/refs/heads/main/deployments/scripts/identity/install_issuer.sh)"

or using wget:

sh -c "$(wget -qO- https://raw.githubusercontent.com/agntcy/identity/refs/heads/main/deployments/scripts/identity/install_issuer.sh)"

[!NOTE] You can also download the Issuer CLI binary corresponding to your platform from the latest releases.

On some platforms you might need to add execution permissions and/or approve the binary in System Security Settings.

For easier use, consider moving the binary to your $PATH or to the /usr/local/bin folder.

If you have Golang set up locally, you could also use the go install command:

go install github.com/agntcy/identity/cmd/issuer@latest && \
  ln -s $(go env GOPATH)/bin/issuer $(go env GOPATH)/bin/identity

Step 2: Start the Node Backend with Docker

  1. Clone the repository and navigate to the identity directory:

    git clone https://github.com/agntcy/identity.git && cd identity

  2. Start the Node Backend with Docker:

    ./deployments/scripts/identity/launch_node.sh

    Or use make if available locally:

    make start_node

[!NOTE] You can also install the Node Backend using our helm chart, for which instructions are available in the chart's directory.

Step 3: Verify the Installation

You can verify the installation by running the command below to see the different commands available:

identity -h

๐Ÿ“œ Core commands to use the CLI

Here are the core commands you can use with the CLI

  • vault: Manage cryptographic vaults and keys
  • issuer: Register and manage issuer configurations
  • metadata: Generate and manage metadata for identities
  • badge: Issue and publish badges for identities
  • verify: Verify identity badges
  • config: Display the current configuration context

๐Ÿงช Run the demo

This demo scenario will allow you to see how to use the AGNTCY Identity components can be used in a real environment. You will be able to perform the following:

  • Register as an Issuer
  • Generate metadata for an MCP Server
  • Issue and publish a badge for the MCP Server
  • Verify the published badge

Prerequisites

First, follow the steps in the Get Started in 5 minutes section above to install the Issuer CLI and run the Node Backend, and generate a local vault and keys.

To run this demo setup locally, you need to have the following installed:

Step 1: Run the Samples with Ollama and Docker

The agents in the samples rely on a local instance of the Llama 3.2 LLM to power the agent's capabilities. With Ollama installed, you can download and run the model (which is approximately 2GB, so ensure you have enough disk space) using the following command:

  1. Run the Llama 3.2 model:

    ollama run llama3.2

  2. From the root of the repository, navigate to the samples directory and run the following command to deploy the Currency Exchange A2A Agent leveraging the Currency Exchange MCP Server:

    cd samples && docker compose up -d

  3. [Optional] Test the samples using the provided test clients.

Step 2: Use the CLI to create a local Vault and generate keys

  1. Create a local vault to store generated cryptographic keys:

    identity vault connect file -f ~/.identity/vault.json -v "My Vault"

  2. Generate a new key pair and store it in the vault:

    identity vault key generate

Step 3: Register as an Issuer

For this demo we will use Okta as an IdP to create an application for the Issuer. To quickly create a trial account and application, we have provided a script to automate the process using the Okta CLI.

[!IMPORTANT] If you already have an Okta account, you can use the okta login command to log in to your existing organization.

If registering a new Okta developer account fails, proceed with manual trial signup and then use the okta login command, as instructed by the Okta CLI.

  1. Run the following command from the root repository to create a new Okta application:

    . ./demo/scripts/create_okta_app

  2. In the interactive prompt, choose the following options:

    > 4: Service (Machine-to-Machine), > 5: Other

  3. Register the Issuer using the Issuer CLI and the environment variables from the previous step:

    identity issuer register -o "My Organization" \
    -c "$OKTA_OAUTH2_CLIENT_ID" -s "$OKTA_OAUTH2_CLIENT_SECRET" -u "$OKTA_OAUTH2_ISSUER"

[!NOTE] You can now access the Issuer's Well-Known Public Key at http://localhost:4000/v1alpha1/issuer/{common_name}/.well-known/jwks.json, where {common_name} is the common name you provided during registration.

Step 4: Generate metadata for an MCP Server

Create a second application for the MCP Server metadata using Okta, similar to the previous step:

  1. Run the following command from the root repository to create a new Okta application:

    . ./demo/scripts/create_okta_app

  2. In the interactive prompt, choose the following options:

    > 4: Service (Machine-to-Machine), > 5: Other

  3. Generate metadata for the MCP Server using the Issuer CLI and the environment variables from the previous step:

    identity metadata generate -c "$OKTA_OAUTH2_CLIENT_ID" \
    -s "$OKTA_OAUTH2_CLIENT_SECRET" -u "$OKTA_OAUTH2_ISSUER"

[!NOTE] When successful, this command will print the metadata ID, which you will need in the next step to view published badges that are linked to this metadata.

Step 5: Issue and Publish a Badge for the MCP Server

  1. Issue a badge for the MCP Server:

    identity badge issue mcp -u http://localhost:9090 -n "My MCP Server"

  2. Publish the badge:

    identity badge publish

[!NOTE] You can now access the VCs as a Well-Known at http://localhost:4000/v1alpha1/vc/{metadata_id}/.well-known/vcs.json, where {metadata_id} is the metadata ID you generated in the previous step.

(Optional) Step 6: Verify a Published Badge

You can use the Issuer CLI to verify a published badge any published badge, not just those that you issued yourself. This allows others to verify the Agent and MCP badges you publish.

  1. Download the badge that you created in the previous step, replacing {metadata_id} with the metadata ID from step 4:

    curl -o vcs.json http://localhost:4000/v1alpha1/vc/{metadata_id}/.well-known/vcs.json

  2. Verify the badges using the Issuer CLI:

    identity verify -f vcs.json

[!NOTE] You can also use our Python SDK to verify the badge programmatically. See the Python SDK for more details.

Development

For more detailed development instructions please refer to the following sections:

Roadmap

See the open issues for a list of proposed features (and known issues).

Contributing

Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are greatly appreciated. For detailed contributing guidelines, please see CONTRIBUTING.md.

Copyright Notice

Copyright Notice and License

Distributed under Apache 2.0 License. See LICENSE for more information. Copyright AGNTCY Contributors.

Install

{
  "mcpServers": {
    "identity": {
      "command": "docker",
      "args": [
        "compose",
        "up",
        "-d"
      ]
    }
  }
}
For more configuration details, refer to the content on the left

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