# Install fastmcp with Homebrew Fast, Pythonic way to build MCP servers and clients. Version 3.4.3 via Homebrew; verified 2026-07-07. ## Install ```sh sudo av install brew:fastmcp ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install fastmcp ``` Evidence: local Homebrew formula metadata ## Package facts - **Package key:** brew:fastmcp - **Package manager:** Homebrew - **Package manager page:** - **Version:** 3.4.3 - **Source summary:** Fast, Pythonic way to build MCP servers and clients - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** Apache-2.0 - **Source archive:** - **Last updated:** 2026-07-07T02:25:39Z - **Generated:** 2026-07-08T07:18:31+00:00 ## Executables - fastmcp (cli) - fastmcp (alias) ## Dependencies - certifi - cryptography - libyaml - pydantic - python@3.14 - rpds-py - uv ## Build dependencies - rust ## Install behavior - Post-install hook: not defined - Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux ## Freshness - Page generated: 2026-07-08 - Package-manager version: 3.4.3 - Package-manager updated: 2026-07-07 - Local data: ok - Upstream repository: https://gofastmcp.com/getting-started/welcome - info: Release/tag comparison is only available for GitHub repositories. ## Project history and usage FastMCP is Prefect's Python framework for building Model Context Protocol servers, clients, and applications. It turns ordinary Python functions into MCP tools and handles schema generation, validation, transports, authentication, lifecycle, and client behavior. ### Project history The standalone PrefectHQ/fastmcp repository was created on November 30, 2024, and PyPI records the first 0.1.0 upload minutes later. The official docs say FastMCP 1.0 was incorporated into the official MCP Python SDK in 2024, while the standalone project later grew into the actively maintained framework. The project has moved quickly with the MCP ecosystem. Its upgrade guide documents the shift from the SDK-bundled import path, from mcp.server.fastmcp import FastMCP, to the standalone from fastmcp import FastMCP import, and says most servers can upgrade with that import change. By 2026, the project was on the 3.x line, with documentation organized around servers, clients, apps, deployment, CLI commands, integrations, and LLM-friendly docs. The README and docs identify Prefect as the maintainer and connect production deployment to Prefect Horizon. ### Adoption history FastMCP's adoption is unusually fast because it rides the MCP wave: AI agents need tool and data access, and Python developers want a decorator-based framework rather than raw protocol plumbing. The official README claims the standalone project is downloaded a million times a day and that some version of FastMCP powers 70% of MCP servers across languages. The repository also shows strong current interest, with more than 25,000 GitHub stars in June 2026. That signal should be read as developer attention and ecosystem momentum, not a precise measure of production deployments. ### How it is used A minimal FastMCP server creates a FastMCP instance, decorates a Python function with @mcp.tool, and calls mcp.run(). The framework generates the tool schema and handles the MCP side of the server. FastMCP also includes clients for connecting to local or remote MCP servers, apps for interactive UIs inside conversations, a CLI for running and inspecting servers, and fastmcp.json for portable declarative project configuration. The docs expose llms.txt and markdown pages so LLM-driven coding agents can consume the documentation directly. ### Why package nerds care FastMCP matters to package nerds because it is the framework layer turning MCP from a protocol spec into an installable developer experience. The package bundles a fast-moving protocol client/server stack, a CLI, config conventions, docs meant for LLM consumption, and compatibility guidance for older SDK-bundled servers. It is also a snapshot of 2025-2026 packaging culture: packages are not just libraries for humans anymore, but surfaces for coding agents, MCP clients, generated configs, and documentation endpoints that tools can read programmatically. ### Timeline - 2024: FastMCP 1.0 incorporated into the official MCP Python SDK, according to FastMCP docs. - 2024: Standalone PrefectHQ/fastmcp repository created on November 30. - 2024: PyPI 0.1.0 uploaded on November 30. - 2026: FastMCP 3.x documented as the active standalone framework. - 2026: Repository shows more than 25,000 GitHub stars. ### Related projects - Model Context Protocol is the protocol FastMCP implements for tools and data access. - The official MCP Python SDK bundled FastMCP 1.0 and remains a dependency path for compatibility. - Prefect Horizon is the production MCP gateway promoted by the FastMCP team. ### Sources - - - - - - - ## Security Notes No matching local secret-handling manifest was found for fastmcp. Nucleus package metadata is still published here so future coverage has a stable package URL. ## Configuration and credential file locations These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval. ## Configuration files - Unix: fastmcp.json ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** fastmcp - **Version Scheme:** 0 - **Revision:** 0 - **Head Version:** HEAD - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** head, stable ## Related links - [MCP tool packages](https://www.automicvault.com/pkg/mcp-tools/) - Mentions MCP or Model Context Protocol. - [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Text processing packages](https://www.automicvault.com/pkg/text-processing-tools/) - Matched text, document, or structured-data processing metadata. - [Developer build packages](https://www.automicvault.com/pkg/developer-build-tools/) - Matched build, compiler, generator, or developer workflow metadata. - [python@3.14](https://www.automicvault.com/pkg/brew/python-3-14/) - Runtime dependency declared by Homebrew. - [uv](https://www.automicvault.com/pkg/brew/uv/) - Runtime dependency declared by Homebrew. - [rust](https://www.automicvault.com/pkg/brew/rust/) - Build dependency declared by Homebrew. - [kitex](https://www.automicvault.com/pkg/brew/kitex/) - Shares av.db curated category or tags: cli, developer-tools, framework. - [grpc](https://www.automicvault.com/pkg/brew/grpc/) - Shares av.db curated category or tags: cli, developer-tools, framework. - [oterm](https://www.automicvault.com/pkg/brew/oterm/) - Shares av.db curated category or tags: cli, developer-tools, mcp, python. - [pyscn](https://www.automicvault.com/pkg/brew/pyscn/) - Shares av.db curated category or tags: cli, developer-tools, mcp, python. - [abi3audit](https://www.automicvault.com/pkg/brew/abi3audit/) - Shares av.db curated category or tags: cli, developer-tools, python. - [airtable-mcp-server](https://www.automicvault.com/pkg/brew/airtable-mcp-server/) - Shares av.db curated category or tags: cli, developer-tools, mcp. - [anchor](https://www.automicvault.com/pkg/brew/anchor/) - Shares av.db curated category or tags: cli, developer-tools, framework. - [atf](https://www.automicvault.com/pkg/brew/atf/) - Shares av.db curated category or tags: cli, developer-tools, framework. - [fastmcp](https://www.automicvault.com/pkg/npm/fastmcp/) - Same normalized package name appears in another local ecosystem. Shared terms: fastmcp, framework, mcp, servers. - [mcp-atlassian](https://www.automicvault.com/pkg/brew/mcp-atlassian/) - Both packages touch the same language runtime or ecosystem. Shared terms: certifi, cli, cryptography, developer, developer-tools. - [mcpm](https://www.automicvault.com/pkg/brew/mcpm/) - Both packages touch the same language runtime or ecosystem. Shared terms: certifi, cli, cryptography, developer, developer-tools. - [fastmcp](https://www.automicvault.com/pkg/npm/fastmcp/) - Same normalized package name in another local ecosystem. ## Combined YAML source View the package source record on GitHub. [combined/fastmcp.yml](https://github.com/automic-vault/db/blob/main/combined/fastmcp.yml) ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - curated configuration and credential file locations - curated package history - package version freshness - av.db category and tag curation - package relationship graph - cross-ecosystem install command graph