feat: add Claude Code marketplace and dexter-lsp plugin#59
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Explains how to wire up Dexter as the Elixir LSP for Claude Code's LSP tool (go-to-definition, hover docs, find references) using a local plugin manifest.
Turns the dexter repo into a Claude Code marketplace so users can install Dexter as their Elixir LSP with two commands: claude plugin marketplace add remoteoss/dexter claude plugin install dexter-lsp@dexter The plugin wires up `dexter lsp` for .ex/.exs/.heex files and exposes followDelegates and debug as user-configurable options.
pquadri
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Thanks for the PR @pquadri! I think this is a great addition. Going to sleep on whether to keep this in the same repo or in a different one. If you have any docs on the matter, I'd also be glad to read them. Should be able to merge this tomorrow. |
JesseHerrick
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May 6, 2026
| "$schema": "https://json.schemastore.org/claude-code-plugin-manifest.json", | ||
| "name": "dexter-lsp", | ||
| "description": "Dexter language server for Elixir (.ex, .exs, .heex)", | ||
| "version": "0.6.0", |
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I'd say that this would be the version of the plugin itself, no? So v0.1
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Cursor Bugbot has reviewed your changes and found 2 potential issues.
Reviewed by Cursor Bugbot for commit 305f540. Configure here.
Claude Code plugin template substitution (${user_config.X}) always
produces a JSON string even when the userConfig type is "boolean".
The strict `.(bool)` type assertions silently dropped the user's
followDelegates/debug settings, leaving them stuck at hardcoded defaults.
Add a coerceBool helper that accepts both native bool and string forms
("true"/"false"/"1"/"0"). Expand the initializationOptions test to call
server.Initialize and cover both forms.
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Summary
Turns the dexter repo into a Claude Code marketplace, so users can install Dexter as their Elixir LSP in Claude Code with just two commands:
Changes
.claude-plugin/marketplace.json— makes this repo a Claude Code marketplace nameddexterplugins/dexter-lsp/.claude-plugin/plugin.json— plugin manifest that wires updexter lspfor.ex,.exs, and.heexfiles, withfollowDelegatesanddebugexposed as user-configurable optionsREADME.md— adds a Claude Code section to the editor setup docsHow it works
Claude Code's LSP tool supports a plugin system. The
lspServersentry inplugin.jsontells Claude Code to spawndexter lspwhen opening Elixir files, giving it go-to-definition, hover docs, find references, workspace symbols, and more.Test plan
claude plugin marketplace add remoteoss/dextersucceedsclaude plugin install dexter-lsp@dextersucceeds.exfilesuserConfigprompts appear forfollowDelegatesanddebugon installNote
Low Risk
Low risk: mainly adds plugin/README metadata and only loosens
Initializeoption parsing to accept string booleans forfollowDelegates/debug.Overview
Enables installing Dexter as an Elixir LSP in Claude Code by adding a repo-level
.claude-plugin/marketplace.jsonand adexter-lspplugin manifest that launchesdexter lspfor.ex,.exs, and.heexfiles with user-configurablefollowDelegatesanddebug.Updates the LSP server
Initializepath to accept boolean initialization options provided as either JSON booleans or string values (e.g. from Claude Code template substitution), and expands tests to cover default behavior and the new coercion cases. Documentation is updated with Claude Code setup and install commands.Reviewed by Cursor Bugbot for commit 06e9523. Bugbot is set up for automated code reviews on this repo. Configure here.