MCP ConfigsMay 14, 2026·2 min read

AssistAI — Eclipse IDE as an MCP Server

An Eclipse plugin exposing your IDE as MCP endpoints for read/edit/build/test/debug via Eclipse APIs; verified 148★, pushed 2026-05-14.

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Mcp Config
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npx -y tokrepo@latest install af87bc3b-8a86-5a60-8cbc-139dd384c8f0 --target codex

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Intro

An Eclipse plugin exposing your IDE as MCP endpoints for read/edit/build/test/debug via Eclipse APIs; verified 148★, pushed 2026-05-14.

Best for: Java teams who want agent edits to stay in sync with Eclipse (JDT, refactoring, local history)

Works with: Eclipse IDE; exposes HTTP MCP endpoints on localhost:8124 and can be used via npx mcp-remote (README)

Setup time: 15-35 minutes

Key facts (verified)

  • GitHub: 148 stars · 70 forks · pushed 2026-05-14.
  • License: MIT · owner avatar + repo URL verified via GitHub API.
  • README-backed entrypoint: npx -y mcp-remote http://localhost:8124/mcp/eclipse-ide --allow-http.

Main

  • Use MCP-through-Eclipse to avoid stale buffers: README explains reads reflect editor buffers and writes go through JDT/refactoring engines.

  • Split permissions by endpoint: IDE/coder/runner/git/context endpoints let you only enable what you need and reduce token overhead.

  • Generate and store the auth token: README shows Authorization: Bearer YOUR_TOKEN headers for clients.

  • Treat ignore rules as a safety layer: README mentions .gitignore-style patterns to prevent sensitive files from being exposed.

Source-backed notes

  • README lists default endpoints under http://localhost:8124/mcp/... including eclipse-ide, eclipse-coder, eclipse-runner, eclipse-context, and eclipse-git.
  • README provides a Claude Code config example using npx -y mcp-remote ... --header "Authorization: Bearer YOUR_TOKEN".
  • README installation section includes an Eclipse Update Site URL: https://gradusnikov.github.io/eclipse-chatgpt-plugin/.

FAQ

  • Do agents see unsaved editor changes?: README says reads reflect the editor buffer, not only on-disk files.
  • Can I connect from Codex/other MCP clients?: Yes — README notes any Streamable HTTP MCP client can connect using the endpoint URL + bearer token.
  • How do I install it?: Use Eclipse Marketplace or the Update Site URL in README, then enable the HTTP MCP server in Preferences.
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Source & Thanks

Source: https://github.com/gradusnikov/eclipse-chatgpt-plugin > License: MIT > GitHub stars: 148 · forks: 70

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