---
title: "mcp-publisher: definition and example | Agent MCP Directory"
description: "mcp-publisher: The CLI that publishes a server.json to the official registry after namespace verification. Defined with a sourced example."
canonical: https://agentmcpdirectory.com/glossary/mcp-publisher
site: "Agent MCP Directory"
last_updated: 2026-11-04
section: "Glossary"
---

# mcp-publisher: definition and example | Agent MCP Directory

> mcp-publisher: The CLI that publishes a server.json to the official registry after namespace verification. Defined with a sourced example.

Source: https://agentmcpdirectory.com/glossary/mcp-publisher
Site: Agent MCP Directory
Last reviewed: 2026-11-04

# mcp-publisher

mcp-publisher: The CLI that publishes a server.json to the official registry after namespace verification. Example: The registry README says a pull request does not list a server. Next in the glossary is Model Context Protocol (MCP): A JSON-RPC 2.0 protocol in which hosts run clients that connect to servers offering tools, resources and prompts.

## Definition

The CLI that publishes a server.json to the official registry after namespace verification.

## Example, with source

The registry README says a pull request does not list a server. ([github.com](https://github.com/modelcontextprotocol/registry), read 4 November 2026)

## Where it appears on this site

-   [MCP](https://agentmcpdirectory.com/standards/mcp/)
-   [CLIs as an agent surface](https://agentmcpdirectory.com/standards/cli-as-agent-surface/)
-   [Getting listed in registries](https://agentmcpdirectory.com/guides/get-listed-in-registries/)

## Neighbouring terms

-   [MCP server portal](https://agentmcpdirectory.com/glossary/mcp-server-portal/): Cloudflare's product that puts many MCP servers behind one authenticated endpoint with per-tool controls.
-   [Model Context Protocol (MCP)](https://agentmcpdirectory.com/glossary/model-context-protocol/): A JSON-RPC 2.0 protocol in which hosts run clients that connect to servers offering tools, resources and prompts.
-   [Multi round-trip request (MRTR)](https://agentmcpdirectory.com/glossary/multi-round-trip-request/): The 2026-07-28 pattern where a server returns input\_required and the client retries the request with the answers.

Edition

4 November 2026

Method

[How rows are verified](https://agentmcpdirectory.com/method/)

Data

[CSV and JSON](https://agentmcpdirectory.com/data/)

Markdown

[This page as markdown](https://agentmcpdirectory.com/glossary/mcp-publisher/index.md)

## Sources

-   [Source for the mcp-publisher example](https://github.com/modelcontextprotocol/registry), read 4 November 2026

Last reviewed 4 November 2026