Skip to content

Jupyter MCP Server

v1.0.3 Security

This release includes 1 security fix for security teams reviewing exposed deployments.

Published 16d MCP Developer Tools
βœ“ No known CVEs patched
Read the diff β†’ Tool health β†’ What is this tool? β†’
This release patches 1 known CVE

Topics

ai jupyter mcp mcp-server tools

Affected surfaces

auth

Summary

AI summary

Updates πŸ”— Links, feat, and πŸš€ Release 1.0.3 across a mixed release.

Changes in this release

Security High

Protects management routes with authentication.

Protects management routes with authentication.

Source: llm_adapter@2026-07-15

Confidence: high

β€”
Feature Medium

Adds --reconnect-interval option for WebSocket auto-reconnect.

Adds --reconnect-interval option for WebSocket auto-reconnect.

Source: llm_adapter@2026-07-15

Confidence: high

β€”
Feature Medium

Increases execute_code timeout maximum from 60β€―seconds to 3600β€―seconds.

Increases execute_code timeout maximum from 60β€―seconds to 3600β€―seconds.

Source: llm_adapter@2026-07-15

Confidence: high

β€”
Feature Medium

Allows targeting a specific kernel during execution.

Allows targeting a specific kernel during execution.

Source: llm_adapter@2026-07-15

Confidence: high

β€”
Bugfix Medium

Fixes working directory handling issue.

Fixes working directory handling issue.

Source: llm_adapter@2026-07-15

Confidence: high

β€”
Full changelog

πŸš€ Release 1.0.3

πŸ”— Links

What's Changed

  • execute: Allow targeting a specific kernel by @nicolas-graves in https://github.com/datalayer/jupyter-mcp-server/pull/245
  • Working Directory Fix for #253 by @rfilmyer in https://github.com/datalayer/jupyter-mcp-server/pull/254
  • feat: add --reconnect-interval option for WebSocket auto-reconnect by @tien238lnd in https://github.com/datalayer/jupyter-mcp-server/pull/255
  • feat: increase execute_code timeout maximum from 60s to 3600s by @tien238lnd in https://github.com/datalayer/jupyter-mcp-server/pull/257
  • Protect management routes by @avishaigo-commits in https://github.com/datalayer/jupyter-mcp-server/pull/262
  • docs: update by @echarles in https://github.com/datalayer/jupyter-mcp-server/pull/265

New Contributors

  • @nicolas-graves made their first contribution in https://github.com/datalayer/jupyter-mcp-server/pull/245
  • @rfilmyer made their first contribution in https://github.com/datalayer/jupyter-mcp-server/pull/254
  • @tien238lnd made their first contribution in https://github.com/datalayer/jupyter-mcp-server/pull/255
  • @avishaigo-commits made their first contribution in https://github.com/datalayer/jupyter-mcp-server/pull/262

Full Changelog: https://github.com/datalayer/jupyter-mcp-server/compare/v1.0.2...v1.0.3

Security Fixes

  • Management routes now protected

Weekly OSS security release digest.

The CVE patches and breaking changes that affected production tools this week. One email, every Sunday.

No spam, unsubscribe anytime.

Share this release

Track Jupyter MCP Server

Get notified when new releases ship.

Sign up free

About Jupyter MCP Server

All releases β†’

Beta — feedback welcome: [email protected]