agentor logo
agentor
★ 214
vs
fastmcp logo
fastmcp
★ 28.2k

agentor vs fastmcp

agentor: Agentor is the fastest way to build and deploy long-running AI agents with durability, observability, and security. It provides features like MCP & tool security, agent-to-agent communication, serverless deployment, observability, and tool search API. With a simple Python API, you can build agents, connect tools, and serve them as APIs or deploy with Celesto.; fastmcp: FastMCP is a standard framework for building Model Context Protocol (MCP) applications, which connect LLMs to tools and data. It simplifies the process by automatically generating schemas, validation, and documentation for tools, and managing transport negotiation and authentication for server connections. FastMCP offers a comprehensive solution for developing, deploying, and scaling MCP-powered systems.

01

TL;DR

agentor logo
agentorDev Tooling · ★ 214

Build and deploy a weather agent

fastmcp logo
fastmcpDev Tooling · ★ 28.2k
When to choose:
  • You want the most productive Pythonic way to build MCP servers and clients using standard Python type hints and docstrings with minimal boilerplate.
  • You want an Apache-2.0 framework maintained by Prefect that supports stdio, SSE, and Streamable HTTP transports out of the box.
When to skip:
  • You want zero third-party wrapper layers and prefer programming directly against the reference protocol implementation; use the official MCP Python SDK.
  • You already have a FastAPI web service and simply want to expose its existing routes as MCP tools; FastAPI-MCP does that automatically.
02

Side-by-Side Comparison

Field
agentor logoagentor
fastmcp logofastmcp
Category
Dev Tooling
Dev Tooling
Stars
★ 214
★ 28.2k
License
Apache-2.0
Apache-2.0
Install Command
pip install agentor
uv add fastmcp
Updated
6d ago
1d ago
Open Source
Yes
Yes
Tags
agents, ai-agents, ai-assistant
agents, fastmcp, llms
03

Features

agentor logoagentor
01MCP & tool security
02Agent-to-agent communication
03Serverless deployment
04Observability (agent tracing and monitoring)
05Tool Search API
fastmcp logofastmcp
01Automatic schema, validation, and documentation generation for tools
02Managed transport negotiation, authentication, and protocol lifecycle for server connections
03Wraps Python functions into MCP-compliant tools, resources, and prompts (Servers)
04Connects to any MCP server with full protocol support (Clients)
05Provides interactive UIs for tools rendered directly in conversations (Apps)
04

Use Cases

agentor logoagentor
↳Build and deploy a weather agent
↳Create a custom MCP server with LiteMCP
↳Create an agent from a Markdown file
fastmcp logofastmcp
↳Building LLM applications that interact with custom tools and data sources
↳Creating interactive conversational UIs for backend functionalities
↳Developing and deploying scalable MCP servers and clients
05

Best For

agentor logoagentor
—
fastmcp logofastmcp
Most Popular
FAQ

FAQ

What is the difference between agentor and fastmcp?
Both agentor and fastmcp are in the Dev Tooling category. agentor has 214 stars, while fastmcp has 28.2k stars.
Which is better, agentor or fastmcp?
The best choice depends on your use case. Choose agentor if Build and deploy a weather agent, and fastmcp if Building LLM applications that interact with custom tools and data sources.
Is agentor free or open source?
Yes, agentor is open source on GitHub (Apache-2.0).
Is fastmcp free or open source?
Yes, fastmcp is open source on GitHub (Apache-2.0).
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