baphomet480/claude-use-gemini-acp
skills/claude-use-gemini-acp/SKILL.md
Delegate a sub-task to Gemini CLI via the Agent Client Protocol (ACP). Use this skill whenever you want to hand off work to Gemini — large-context summarization, Google Search grounding, tasks that exceed Claude's context window, or anything where Gemini's 1M-token window or real-time search gives an advantage. Also invoke when the user asks you to "ask Gemini", "check with Gemini", or "run this through Gemini". The script handles subprocess lifecycle and ACP session setup; you just provide the prompt and read stdout.
tools
Updated Apr 27, 2026
$ install --global
skillsauthnpx skillsauth add baphomet480/claude-skills claude-use-gemini-acpInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 27, 2026, 5:01 AM75.9s3 files scanned
SKILL.md
- name:
- claude-use-gemini-acp
- description:
- >
- version:
- 1.0.0
Claude → Gemini via ACP
Spawn a Gemini CLI subprocess in ACP mode, send a prompt, stream the response to stdout, and terminate cleanly. No persistent session — one prompt, one response.
When to use
- The task requires more context than fits in Claude's window
- You want real-time Google Search grounding
- You want a second opinion from a different model
- The user says "ask Gemini", "use Gemini for this", etc.
Setup (first use only)
cd ~/.claude/skills/claude-use-gemini-acp/scripts
pnpm install
This installs @agentclientprotocol/sdk into the local node_modules/. Subsequent runs skip this step — pnpm caches the result.
Usage
GEMINI_MODEL=gemini-2.5-pro \
TARGET_CWD=/path/to/project \
node ~/.claude/skills/claude-use-gemini-acp/scripts/gemini-delegate.mjs \
"Summarize the architecture in ARCHITECTURE.md and list the top 3 risks"
The response streams to stdout as Gemini generates it. Capture it for use in your response:
response=$(node ~/.claude/skills/claude-use-gemini-acp/scripts/gemini-delegate.mjs "your prompt")
Environment variables
| Variable | Default | Description |
|---|---|---|
| GEMINI_MODEL | gemini-2.5-pro | Model to use |
| GEMINI_CLI_VERSION | nightly | gemini-cli package version (nightly or a specific semver) |
| TARGET_CWD | current working dir | Working directory passed to the Gemini session |
How it works
- Spawns
pnpm dlx @google/gemini-cli@<version> --acp --yolo --model <model> - Connects via
@agentclientprotocol/sdk'sClientSideConnection+ndJsonStream - Sends
initialize→newSession→promptover the ACP session - Streams
agent_message_chunkdeltas to stdout as they arrive - Terminates the subprocess once the prompt response completes
The --yolo flag (-y) auto-approves all tool calls inside Gemini's session.
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 Gemini to read them (it can use its filesystem tools)
- Keep prompts focused: one clear task per invocation
- For multi-step work, do multiple sequential invocations rather than one sprawling prompt
Error handling
If the script exits non-zero, check stderr for:
pnpm dlxdownload failures (network, auth)- Gemini auth errors (
gemini auth loginmay be needed) - ACP initialization failures (version mismatch)
The script does not retry — if something fails, surface the error to the user and suggest re-running after fixing the root cause.
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