# \#vscode

**URL:** https://community.seqera.io/tag/vscode/73.md

[Latest](https://community.seqera.io/latest.md) · [Categories](https://community.seqera.io/categories.md) · [Tags](https://community.seqera.io/tags.md)

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## [Error connecting to Seqera MCP API in VSCode (unknown client during browser authentication)](https://community.seqera.io/t/error-connecting-to-seqera-mcp-api-in-vscode-unknown-client-during-browser-authentication/2609)

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**Author:** [@tnmquann](https://community.seqera.io/u/tnmquann)\
**Replies:** 1\
**Last updated:** [June 16, 2026, 8:07pm UTC](https://community.seqera.io/t/error-connecting-to-seqera-mcp-api-in-vscode-unknown-client-during-browser-authentication/2609 "2026-06-16T20:07:07Z")

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Hi, I encountered an error when connecting to the Seqera MCP API. Environment Operating System: Windows 11 Application: VSCode v1.111.0 Issue When Seqera MCP opens the browser for authentication, the login process …

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## [Issue with nextflows vs code parser reading my .venv file](https://community.seqera.io/t/issue-with-nextflows-vs-code-parser-reading-my-venv-file/2611)

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**Author:** [@David\_Mas\_Ponte](https://community.seqera.io/u/David_Mas_Ponte)\
**Replies:** 3\
**Last updated:** [May 20, 2026, 9:32am UTC](https://community.seqera.io/t/issue-with-nextflows-vs-code-parser-reading-my-venv-file/2611 "2026-05-20T09:32:44Z")

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Hi, I have a uv venv in my pipelines for running nf-core directly there. Note that this generates a .venv folder with all the packages when you run uv run sync. I have the nextflow extension installed in vs code (1.6.1…

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## [Clipboard doesn't work in vscode terminal](https://community.seqera.io/t/clipboard-doesnt-work-in-vscode-terminal/2216)

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**Author:** [@Uri\_David\_Akavia](https://community.seqera.io/u/Uri_David_Akavia)\
**Replies:** 6\
**Last updated:** [June 30, 2025, 2:08am UTC](https://community.seqera.io/t/clipboard-doesnt-work-in-vscode-terminal/2216 "2025-06-30T02:08:01Z")

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Hi I’m trying to run the vscode studio, and the clipboard doesn’t work in the terminal tab. It works in all other parts of vscode. In the terminal, I keep getting the error message “Unable to read from the browser’s cl…

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## [Stdout not defined](https://community.seqera.io/t/stdout-not-defined/2213)

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**Author:** [@Poshi](https://community.seqera.io/u/Poshi)\
**Replies:** 4\
**Last updated:** [June 26, 2025, 10:00am UTC](https://community.seqera.io/t/stdout-not-defined/2213 "2025-06-26T10:00:47Z")

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I have a working pipeline that contains a process that captures the standard output. With the latest language server update in VSCode, it started complaining: process DDBB\_START { input: tuple val(meta), va…

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## [Using Nextflow Language Server in editors that support LSP but are not VSCode](https://community.seqera.io/t/using-nextflow-language-server-in-editors-that-support-lsp-but-are-not-vscode/1373)

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**Author:** [@nrminor](https://community.seqera.io/u/nrminor)\
**Replies:** 8\
**Last updated:** [June 25, 2025, 9:12pm UTC](https://community.seqera.io/t/using-nextflow-language-server-in-editors-that-support-lsp-but-are-not-vscode/1373 "2025-06-25T21:12:12Z")

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Hi all, First, just wanted to say fantastic work with the new VSCode language server. This is a game-changer for me and my lab’s productivity with the language, and will help shift us from Snakemake to Nextflow even mor…

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## [Nextflow Podcast Ep. 51: Nextflow Strict Syntax](https://community.seqera.io/t/nextflow-podcast-ep-51-nextflow-strict-syntax/2069)

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**Author:** [@ewels](https://community.seqera.io/u/ewels)\
**Replies:** 0\
**Last updated:** [April 11, 2025, 12:45am UTC](https://community.seqera.io/t/nextflow-podcast-ep-51-nextflow-strict-syntax/2069 "2025-04-11T00:45:28Z")

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Hey everyone! :waving\_hand: The Nextflow Podcast is back with Episode 51! :tada: :nextflow: :studio\_microphone: In this episode, I chat with @bentsherman, senior software engineer working on Nextflow at Seqera, about …

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## [Linter using the Nextflow Language Server](https://community.seqera.io/t/linter-using-the-nextflow-language-server/1404)

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**Author:** [@mbc](https://community.seqera.io/u/mbc)\
**Replies:** 5\
**Last updated:** [May 16, 2025, 10:53am UTC](https://community.seqera.io/t/linter-using-the-nextflow-language-server/1404 "2025-05-16T10:53:23Z")

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Hi folks, The language server and the VSCode plugin are great! I’ve been pruning our team pipelines of warnings and errors. Good stuff. A linter built on top of the language server would be very helpful. Then it would …

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## [VSCode extension formatting and running questions](https://community.seqera.io/t/vscode-extension-formatting-and-running-questions/1993)

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**Author:** [@tobsecret](https://community.seqera.io/u/tobsecret)\
**Replies:** 2\
**Last updated:** [March 19, 2025, 8:46pm UTC](https://community.seqera.io/t/vscode-extension-formatting-and-running-questions/1993 "2025-03-19T20:46:24Z")

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Need help with the VSCode extension. Setup: VSCode on mac (Sequoia 15.3.1 (24D70)); fresh install of the latest nextflow extension for VSCode. I just cloned nf-core/sarek and added some extra newlines in one of the in…

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## [How to setup Nextflow on windows environment?](https://community.seqera.io/t/how-to-setup-nextflow-on-windows-environment/1739)

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**Author:** [@GN-lab](https://community.seqera.io/u/GN-lab)\
**Replies:** 3\
**Last updated:** [February 18, 2025, 1:07pm UTC](https://community.seqera.io/t/how-to-setup-nextflow-on-windows-environment/1739 "2025-02-18T13:07:13Z")

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Hello everyone, As to start making Nextflow pipelines I have to first setup the coding platform and then I can use Seqera platforms. I really need help with this situation. Situation: I’m encountering an issue while u…

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## [Correct handler syntax and langserver](https://community.seqera.io/t/correct-handler-syntax-and-langserver/1716)

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**Author:** [@imLew](https://community.seqera.io/u/imLew)\
**Replies:** 3\
**Last updated:** [February 7, 2025, 2:03pm UTC](https://community.seqera.io/t/correct-handler-syntax-and-langserver/1716 "2025-02-07T14:03:27Z")

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This topic is somewhat similar to Handlers and the language server - #3 by John, however the proposed solution in there actually does not work for me. When I place the workflow.onComplete handler outside the workflow bl…

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## [Handlers and the language server](https://community.seqera.io/t/handlers-and-the-language-server/1708)

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**Author:** [@John](https://community.seqera.io/u/John)\
**Replies:** 2\
**Last updated:** [February 5, 2025, 4:00pm UTC](https://community.seqera.io/t/handlers-and-the-language-server/1708 "2025-02-05T16:00:18Z")

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The nextflow manual instructs us to define handlers like… workflow.onComplete { println "Pipeline completed at: $workflow.complete" println "Execution status: ${ workflow.success ? 'OK' : 'failed' }" } https://…

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## [Vscode formatter deletes comments](https://community.seqera.io/t/vscode-formatter-deletes-comments/1628)

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**Author:** [@sstrong99](https://community.seqera.io/u/sstrong99)\
**Replies:** 1\
**Last updated:** [January 17, 2025, 10:19pm UTC](https://community.seqera.io/t/vscode-formatter-deletes-comments/1628 "2025-01-17T22:19:09Z")

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I’ve noticed that the vscode auto-formatter deletes comments in some circumstances. In the following code block, only the comment at the beginning remains after applying the auto-formatter. Is that intentional or is that…

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## [My vscode plug-in does not have all the fancy features Phil demoed in the webinar](https://community.seqera.io/t/my-vscode-plug-in-does-not-have-all-the-fancy-features-phil-demoed-in-the-webinar/1571)

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**Author:** [@yinshiyi](https://community.seqera.io/u/yinshiyi)\
**Replies:** 4\
**Last updated:** [January 15, 2025, 5:45pm UTC](https://community.seqera.io/t/my-vscode-plug-in-does-not-have-all-the-fancy-features-phil-demoed-in-the-webinar/1571 "2025-01-15T17:45:04Z")

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my vscode plug-in does not have all the fancy features Phil demoed in the webinar. eg. it does not give me all the available syntax when type in Channel.from $ nextflow -v nextflow version 24.04.4.5917 $ nextflow info…

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## [Issues with vscode multi-root and groovy classes in lib/](https://community.seqera.io/t/issues-with-vscode-multi-root-and-groovy-classes-in-lib/1560)

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**Author:** [@german](https://community.seqera.io/u/german)\
**Replies:** 3\
**Last updated:** [January 8, 2025, 3:46pm UTC](https://community.seqera.io/t/issues-with-vscode-multi-root-and-groovy-classes-in-lib/1560 "2025-01-08T15:46:58Z")

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Hi, I’m running into some issues when using custom groovy classes in lib, while using multi-root workspaces and the vscode extension. We have a wrapper around a nextflow pipeline, and our directory structure looks like…

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## [Access to undefined parameter after refactor for vscode extension](https://community.seqera.io/t/access-to-undefined-parameter-after-refactor-for-vscode-extension/1573)

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**Author:** [@sstrong99](https://community.seqera.io/u/sstrong99)\
**Replies:** 5\
**Last updated:** [December 23, 2024, 5:21pm UTC](https://community.seqera.io/t/access-to-undefined-parameter-after-refactor-for-vscode-extension/1573 "2024-12-23T17:21:04Z")

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Hi- My pipeline is similar to this one. After refactoring it to appease the vscode extension, I’m getting errors like Access to undefined parameter \`fasta\` -- Initialise it to a default value eg. \`params.fasta = some\_v…

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## [Best practices to avoid long lines when using eval()](https://community.seqera.io/t/best-practices-to-avoid-long-lines-when-using-eval/1535)

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**Author:** [@JAlvarez](https://community.seqera.io/u/JAlvarez)\
**Replies:** 3\
**Last updated:** [December 11, 2024, 2:03pm UTC](https://community.seqera.io/t/best-practices-to-avoid-long-lines-when-using-eval/1535 "2024-12-11T14:03:06Z")

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The new eval() is quite useful and handy, but I’m wondering what would be the recommended/best approach when using it with longer commands such as those used to collect versions of Python libraries? e.g. "python -c 'impo…

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## [Comments Within Process Removed](https://community.seqera.io/t/comments-within-process-removed/1414)

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**Author:** [@Sukh\_Sekhon](https://community.seqera.io/u/Sukh_Sekhon)\
**Replies:** 4\
**Last updated:** [December 2, 2024, 11:05pm UTC](https://community.seqera.io/t/comments-within-process-removed/1414 "2024-12-02T23:05:12Z")

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Hello, I’m very excited about the formatting feature! However, I’ve noticed that any comments within “process” blocks are removed during formatting. Here’s an example: process MY\_PROCESS { /\* This block comment is…

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## [Nextflow language server v1.0.1 - fails parsing a main.nf](https://community.seqera.io/t/nextflow-language-server-v1-0-1-fails-parsing-a-main-nf/1431)

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**Author:** [@John](https://community.seqera.io/u/John)\
**Replies:** 2\
**Last updated:** [November 29, 2024, 11:05am UTC](https://community.seqera.io/t/nextflow-language-server-v1-0-1-fails-parsing-a-main-nf/1431 "2024-11-29T11:05:30Z")

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I am using vscode Version: 1.95.3 Commit: f1a4fb101478ce6ec82fe9627c43efbf9e98c813 Date: 2024-11-13T14:50:04.152Z Electron: 32.2.1 ElectronBuildId: 10427718 Chromium: 128.0.6613.186 Node.js: 20.18.0 V8: 12.8.374.38-elec…

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## [Config syntax errors with \`includeConfig\`](https://community.seqera.io/t/config-syntax-errors-with-includeconfig/1495)

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**Author:** [@Matt\_Storey](https://community.seqera.io/u/Matt_Storey)\
**Replies:** 5\
**Last updated:** [November 26, 2024, 6:48pm UTC](https://community.seqera.io/t/config-syntax-errors-with-includeconfig/1495 "2024-11-26T18:48:02Z")

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TLDR; Using includeConfig( { if/esle.. return file.config } )() pattern to include some dynamic configuration without causing syntax errors is not playing nice. Not an issue with the language server per se, but while wo…

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## [Too many error with VScode extension](https://community.seqera.io/t/too-many-error-with-vscode-extension/1357)

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**Author:** [@Kim\_Huy\_Vo](https://community.seqera.io/u/Kim_Huy_Vo)\
**Replies:** 11\
**Last updated:** [November 25, 2024, 9:40pm UTC](https://community.seqera.io/t/too-many-error-with-vscode-extension/1357 "2024-11-25T21:40:58Z")

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I have installed the vscode extension right away after they released it and I have a bad experience about this. There are no DAG preview, Code navigation as their blog said and when I open my nextflow repo, there are so…

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## [Variables trapped in 'if' statment](https://community.seqera.io/t/variables-trapped-in-if-statment/1494)

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**Author:** [@Matt\_Storey](https://community.seqera.io/u/Matt_Storey)\
**Replies:** 2\
**Last updated:** [November 25, 2024, 8:36pm UTC](https://community.seqera.io/t/variables-trapped-in-if-statment/1494 "2024-11-25T20:36:42Z")

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TLDR: when a variable is set within an ‘if’ block a syntax error might be raised when that variable is accessed outside of this block. Really appreciating the new features afforded by the update to the Nextflow VS code …

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## [Include directories for nextflow VSCode extension?](https://community.seqera.io/t/include-directories-for-nextflow-vscode-extension/1484)

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**Author:** [@nschan](https://community.seqera.io/u/nschan)\
**Replies:** 3\
**Last updated:** [November 25, 2024, 8:01am UTC](https://community.seqera.io/t/include-directories-for-nextflow-vscode-extension/1484 "2024-11-25T08:01:45Z")

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Hello, I am using VSCode for remote development, including nextflow. However, if I connect to my home directory workspace, the nextflow extension will go through my whole home directory and flag ~26k problems after runn…

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## [Backslashes when auto-formatting processes](https://community.seqera.io/t/backslashes-when-auto-formatting-processes/1374)

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**Author:** [@nrminor](https://community.seqera.io/u/nrminor)\
**Replies:** 5\
**Last updated:** [November 15, 2024, 2:15pm UTC](https://community.seqera.io/t/backslashes-when-auto-formatting-processes/1374 "2024-11-15T14:15:50Z")

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Hi all, I’m a huge fan of automatic formatting of code on save and was excited to see that the new language server offers code-formatting as well. The only thing that’s keeping me from using it is how it handles backsla…

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## [Advice with some linting messages](https://community.seqera.io/t/advice-with-some-linting-messages/1405)

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**Author:** [@Poshi](https://community.seqera.io/u/Poshi)\
**Replies:** 2\
**Last updated:** [November 13, 2024, 1:29pm UTC](https://community.seqera.io/t/advice-with-some-linting-messages/1405 "2024-11-13T13:29:48Z")

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I’m using VSCode to codify my Nextflow pipelines and with the last updates I started getting some linting. Good! Now I’m wondering about the meaning of some of the messages, but I will start with some comments and opini…

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## [Nextflow Extension Code Formatting breaking my code?](https://community.seqera.io/t/nextflow-extension-code-formatting-breaking-my-code/1366)

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**Author:** [@mpampuch](https://community.seqera.io/u/mpampuch)\
**Replies:** 1\
**Last updated:** [November 4, 2024, 10:16am UTC](https://community.seqera.io/t/nextflow-extension-code-formatting-breaking-my-code/1366 "2024-11-04T10:16:28Z")

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After updating the nextflow extension, I think some of the automatic formatting may be breaking my code. Here is a snippet of code before formatting with the new formatter: After hitting Format, this is what I get (…

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## [Nextflow language server errors](https://community.seqera.io/t/nextflow-language-server-errors/1342)

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**Author:** [@Midnighter](https://community.seqera.io/u/Midnighter)\
**Replies:** 6\
**Last updated:** [October 30, 2024, 11:18am UTC](https://community.seqera.io/t/nextflow-language-server-errors/1342 "2024-10-30T11:18:32Z")

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I’m using the nextflow plugin within VS Code, but the language server fails to start. It seems to be a version compatibility issue, but I’m too much of a Java newb to figure it out. Do I just need to get my hands on a ne…

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## [What editor are you guys using for nextflow?](https://community.seqera.io/t/what-editor-are-you-guys-using-for-nextflow/1018)

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**Author:** [@Andrey](https://community.seqera.io/u/Andrey)\
**Replies:** 3\
**Last updated:** [August 29, 2024, 9:31pm UTC](https://community.seqera.io/t/what-editor-are-you-guys-using-for-nextflow/1018 "2024-08-29T21:31:23Z")

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Which code editor do you find the best for writing nextflow scripts? :slight\_smile:
