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FastMCP

Framework

The fast, Pythonic way to build MCP servers and clients

Prefect234.0K installs4.6 (1.6K)
Source
92
Trusted
Security
91
Quality
91
Maintenance
93
Safety Tier Low Risk
Security ScanScan Passed
PriceFree
Last Scanned5/12/2026

About

The standard framework for building MCP servers in Python. FastMCP 1.0 was incorporated into the official MCP Python SDK. Currently on version 3.0 with Pythonic API for tools, resources, and prompts.

Tags

#framework#mcp#python#sdk#developer-tools

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AI InfrastructureFrameworks

Security Scan

91/100
11 checks · 10 passed · 1 finding
5/13/2026
Scanners:customsemgrepgitleakstrivy
SSRF Detection
Prompt Injection
Data Exfiltration
Dangerous Commands
Secret Detection
Obfuscation
External Fetches
Credential Access
Privilege Escalation
Secret Detection (Gitleaks)1
Static Security Analysis

Findings (1)

mediumDetected a Generic API Key, potentially exposing access to various services and sensitive operations.gitleaks
docs/fastmcp-analytics.js:6
50 files scanned from repository

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Python

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