21 Editor Integrations

Editor & Agent Integrations

nitpik runs as a long-lived server so editors and AI agents can use the same review engine as the CLI. Two transports are exposed under nitpik serve:

• nitpik serve lsp — a Language Server that publishes findings as diagnostics in any LSP client (VS Code, Neovim, Helix, JetBrains, …).
• nitpik serve mcp — a Model Context Protocol server exposing nitpik as tools for agents (GitHub Copilot, Claude Code, Cursor, …).

Editor and agent reviews require an active subscription. Reviews run in agentic mode and use whatever provider the process is configured with.

VS Code

Install the nitpik extension from the Marketplace. It:

• runs nitpik serve lsp and shows findings in the Problems panel;
• by default runs reviews on your Copilot model via a local bridge (nitpik.modelSource: "copilot") — no extra API key — or uses your .nitpik.toml provider with nitpik.modelSource: "byom";
• auto-registers nitpik serve mcp so Copilot's agent can call nitpik too.

Commands: Review Changes, Review Current File, Review Workspace, Re-review from Scratch (ignores cache + prior findings). See the extension README.

Claude Code (and other MCP agents)

nitpik ships a Claude Code plugin (editors/claude-code) that registers the MCP server. Without the plugin:

claude mcp add nitpik -- nitpik serve mcp

Claude Code does not expose its model to MCP servers, so reviews use your configured provider (BYOM) — set an API key and .nitpik.toml. The same MCP server works for Cursor, Codex, Gemini CLI, and other agents.

Tools: nitpik_review_diff, nitpik_review_files, nitpik_list_profiles.

Neovim / Helix / JetBrains (LSP)

Point your editor's LSP client at nitpik serve lsp (stdio). Reviews are triggered explicitly via the server commands (nitpik.reviewChanges, nitpik.reviewFile, nitpik.reviewWorkspace, nitpik.reviewFresh) or the "Review this file" code action — never on every save (each review is an LLM call). These editors use your .nitpik.toml provider (BYOM).

Neovim example

vim.lsp.start({
  name = "nitpik",
  cmd = { "nitpik", "serve", "lsp", "--path", vim.fn.getcwd() },
  root_dir = vim.fs.dirname(vim.fs.find({ ".git" }, { upward = true })[1]),
})

-- Trigger a review of the changes on the current branch:
vim.keymap.set("n", "<leader>nr", function()
  vim.lsp.buf.execute_command({ command = "nitpik.reviewChanges", arguments = { "HEAD" } })
end)