Jupyter MCP Server

v1.0.6 Feature

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

Published 7d MCP Developer Tools

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

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ai jupyter mcp mcp-server tools

Summary

AI summary

Updates 🔗 Links, fix, and 🚀 Release 1.0.6 across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Feature	Low	Add Typer CLI for command‑line interaction. Add Typer CLI for command‑line interaction. Source: llm_adapter@2026-07-19 Confidence: high	—
Bugfix
Bugfix	Medium	Keep each output's nbformat type when writing results back to a notebook file. Keep each output's nbformat type when writing results back to a notebook file. Source: llm_adapter@2026-07-19 Confidence: high	—
Bugfix	Medium	Honour execute_code kernel_id in MCP_SERVER mode. Honour execute_code kernel_id in MCP_SERVER mode. Source: llm_adapter@2026-07-19 Confidence: high	—
Bugfix	Medium	Support synchronous ContentsManager via ensure_async. Support synchronous ContentsManager via ensure_async. Source: llm_adapter@2026-07-19 Confidence: high	—
Bugfix	Medium	Apply the execution timeout config to execute_code. Apply the execution timeout config to execute_code. Source: llm_adapter@2026-07-19 Confidence: high	—
Bugfix	Medium	Await LocalBackend contents_manager calls with ensure_async. Await LocalBackend contents_manager calls with ensure_async. Source: llm_adapter@2026-07-19 Confidence: high	—
Bugfix	Medium	Don't persist the [No output generated] sentinel as a cell output. Don't persist the [No output generated] sentinel as a cell output. Source: llm_adapter@2026-07-19 Confidence: high	—
Bugfix	Medium	Keep a notebook's binding when ensure_kernel_alive regenerates a dead kernel. Keep a notebook's binding when ensure_kernel_alive regenerates a dead kernel. Source: llm_adapter@2026-07-19 Confidence: high	—

Full changelog

🚀 Release 1.0.6

🔗 Links

What's Changed

fix: keep each output's nbformat type when writing results back to a notebook file by @ebarkhordar in https://github.com/datalayer/jupyter-mcp-server/pull/278
fix: honour execute_code kernel_id in MCP_SERVER mode by @ebarkhordar in https://github.com/datalayer/jupyter-mcp-server/pull/280
fix: support synchronous ContentsManager via ensure_async by @mucan54 in https://github.com/datalayer/jupyter-mcp-server/pull/281
fix: apply the execution timeout config to execute_code by @ebarkhordar in https://github.com/datalayer/jupyter-mcp-server/pull/282
fix: await LocalBackend contents_manager calls with ensure_async (#283) by @ebarkhordar in https://github.com/datalayer/jupyter-mcp-server/pull/284
fix: don't persist the [No output generated] sentinel as a cell output by @ebarkhordar in https://github.com/datalayer/jupyter-mcp-server/pull/286
fix: keep a notebook's binding when ensure_kernel_alive regenerates a dead kernel by @ebarkhordar in https://github.com/datalayer/jupyter-mcp-server/pull/288
add typer cli by @echarles in https://github.com/datalayer/jupyter-mcp-server/pull/289

New Contributors

@mucan54 made their first contribution in https://github.com/datalayer/jupyter-mcp-server/pull/281

Full Changelog: https://github.com/datalayer/jupyter-mcp-server/compare/v1.0.5...v1.0.6

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