gemini-use-claude-acp

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Delegate a sub-task to Claude Code via the Agent Client Protocol (ACP). Use this skill whenever you want to hand off work to Claude — complex agentic coding with MCP tool access, detailed multi-file refactors, tasks requiring Claude's reasoning style, or anything where Claude's strengths give an advantage. Also invoke when the user asks you to "ask Claude", "use Claude for this", or "run this through Claude". The script handles subprocess lifecycle and ACP session setup; you just provide the prompt and read stdout.

3installs

Sourcebaphomet480/claude-skills

Added on2026-05-14

NPX Install

npx skill4agent add baphomet480/claude-skills gemini-use-claude-acp

SKILL.md Content

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Gemini → Claude via ACP

Spawn a Claude Code ACP adapter subprocess, send a prompt, stream the response to stdout, and terminate cleanly. No persistent session — one prompt, one response.

When to use

The task requires complex multi-step agentic coding with MCP tool access
You want Claude's reasoning on a specific problem
The user says "ask Claude", "use Claude for this", etc.
You want a second opinion from a different model

Setup (first use only)

bash

cd ~/.gemini/skills/gemini-use-claude-acp/scripts
pnpm install

This installs

@agentclientprotocol/sdk

into the local

node_modules/

. Subsequent runs skip this step.

Usage

bash

CLAUDE_MODEL=claude-sonnet-4-6 \
TARGET_CWD=/path/to/project \
node ~/.gemini/skills/gemini-use-claude-acp/scripts/claude-delegate.mjs \
  "Refactor the auth module to use JWT tokens. The code is in src/auth/."

The response streams to stdout as Claude generates it. Capture it:

bash

response=$(node ~/.gemini/skills/gemini-use-claude-acp/scripts/claude-delegate.mjs "your prompt")

Environment variables

Variable	Default	Description
`CLAUDE_MODEL`	`claude-sonnet-4-6`	Model to use (applied via ACP `unstable_setSessionModel` )
`TARGET_CWD`	current working dir	Working directory passed to the Claude session

How it works

Spawns
```
pnpm dlx @zed-industries/claude-code-acp
```
with:
- ```
CLAUDE_CODE_SKIP_PERMISSIONS=1
```
  — auto-approves all tool calls
- ```
TERM=dumb
```
  — prevents ANSI escape sequences in output
- ```
CLAUDECODE
```
  unset — prevents the adapter refusing to start inside another Claude session
- ```
~/.local/bin
```
  prepended to
```
PATH
```
  — ensures the
```
claude
```
  binary is found

Connects via

@agentclientprotocol/sdk

's

ClientSideConnection

+

ndJsonStream

Sends

initialize

→

newSession

→

unstable_setSessionModel

→

prompt

over ACP

Streams
```
agent_message_chunk
```
deltas to stdout as they arrive
Terminates the subprocess once the prompt response completes

Prompt construction tips

Include all relevant context in the prompt string — this is a fresh session with no prior history
Reference files by absolute path if you want Claude to read/edit them
Keep prompts focused: one clear task per invocation
Claude can use its MCP tools (filesystem, shell, etc.) during the session

Error handling

If the script exits non-zero, check stderr for:

```
pnpm dlx
```
download failures (network, auth)
Claude auth errors — ensure
```
claude
```
CLI is authenticated
```
CLAUDECODE
```
environment variable being set (indicates you're running inside Claude Code; the adapter refuses to nest)
ACP initialization failures

The script does not retry — surface the error to the user and suggest re-running after fixing the root cause.

gemini-use-claude-acp

NPX Install

Tags

SKILL.md Content

Gemini → Claude via ACP

When to use

Setup (first use only)

Usage

Environment variables

How it works

Prompt construction tips

Error handling