About ext-auth
ext-auth is an MCP server in the Security category: extensions to authorization.
Install
git clone https://github.com/modelcontextprotocol/ext-authThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
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README
MCP Authorization Extensions
The Model Context Protocol (MCP) specification is defined in the main specification repository. This repository contains extensions to the core protocol that define additional authorization mechanisms.
These extensions are:
- Optional - Implementations can choose to adopt these extensions
- Additive - Extensions do not modify or break core protocol functionality; they add new capabilities while preserving core protocol behavior
- Composable - Extensions are modular and designed to work together without conflicts, allowing implementations to adopt multiple extensions simultaneously
- Versioned independently - Extensions follow the core MCP versioning cycle but may adopt independent versioning as needed
Extensions
Governance
This repository follows the Model Context Protocol Governance process, with a dedicated set of maintainers for authorization extensions. See MAINTAINERS.md for the list of maintainers specific to this repository.
All decisions regarding authorization extensions follow the same governance model as the core specification, including:
- Specification Enhancement Proposals (SEPs)
- Community discussion and consensus building
- Maintainer review and approval
- Transparent decision-making
Policies
This repository follows the Model Context Protocol project policies:
README copy captured when this server was indexed; it may lag the repository. The original is authoritative.