FastMCP

v4.5.0 Feature

This release adds 1 notable feature for engineering teams evaluating rollout.

Published 11d MCP Developer Tools

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

mcp sse

Summary

AI summary

Passes client info, logs, and session context to resource and prompt load functions.

Type	Severity	Summary	CVE
Feature	Medium	Adds ability to pass load context (client info, log, session) to resource and prompt load() Adds ability to pass load context (client info, log, session) to resource and prompt load() Source: llm_adapter@2026-07-15 Confidence: high	—

Full changelog

pass load context (client info, log, session) to resource and prompt load() (#292) (f7477df), closes #173

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About FastMCP

A high-level framework for building MCP servers in TypeScript