ciel-mode

by Rui He · ★ 1 · updated 10 days ago

GuardsCommandsTools & agentsAutomationwarnings

0

ciel-mode (Call-in-CEL mode) for Claude Code: the model writes a small sandboxed CEL program that calls MCP and read-only tools, filters and joins their results, and returns only what it needs, so large tool outputs never fill the context. Every call still goes through the permission checks.

install ciel-mode

Install

git clone https://github.com/ruihe774/cc-ciel-mode
claude --plugin-dir ./cc-ciel-mode

Then run /reload-plugins or start a new session. Requires Claude Code 2.1.287+.

View source on GitHub

What it hooks into

From an automated scan with claude plugin validate, not a security review. Mods run with your permissions; read the code before installing.

Events
session.startsession.endtool.calltool.checkcommand.run
API calls
$.command.register$.env.get$.fs.read$.session.id$.tool.call$.tool.check$.tool.list$.tool.register$.ui.ask
Can see
mcp__ciel-mode__run callsmcp__ciel-mode__tools calls/"^mcp__"/ calls
Reach
level 2 of 3 drives Claudereads filesreads env varsdraws

Origin

How it got here
Automated scan of public GitHub repos, via the CC0 dataset awesome-claude-code-mods (scan of ).
Repository
github.com/ruihe774/cc-ciel-mode
Path in repo
repository root
Source commit
1efcb27 the exact code the scan read
Author
Rui He @ruihe774
License
Unlicense
First published
Last pushed
First listed here

Name and description come from the mod's own manifest. We link to the code; we don't host it, and it stays under its author's license.