Prefect Horizon

Enterprise MCP gateway and governance layer for discovering, managing and controlling MCP servers.

IndexedApache-2.0★ 28,189

Install

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pip install fastmcp

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About

Prefect Horizon is an MCP gateway that sits between every AI client and every MCP tool. It reads identity from the company's identity provider, applies policy to each tool call and writes audit events. It supports OAuth 2.1 and role-based access control.

Use cases: identity-access, monitoring-observability

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Fact sheet

Category: Agent hosting · mcp hosting
Protocols: mcp, oauthprefect.io

Plans

Personal	$0	free for personal projects; managed hosting with a secure server URL and built-in OAuth
Enterprise	Contact sales	enterprise governance features for teams deploying to thousands of users; contact sales

From the vendor's pricing page, read Oct 24, 2026.

Facts read from the vendor's own pages by claude-haiku-5-5 on Oct 24, 2026; a fact is shown only with the page it came from.

Signals

Stars: 28,189
Forks: 2,506
Open issues: 370
Last commit: Oct 24, 2026 (4 days ago)
Last release: Oct 20, 2026 (8 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Packages: pypi fastmcp
License: Apache-2.0
Repository: github.com/PrefectHQ/fastmcp
Website: www.prefect.io/horizon
Docs: gofastmcp.com/deployment/prefect-horizon
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Website README Docs github-graphql