MCP SERVERHand the heavy reading to another model — big files, git archaeology, web lookups, adversarial review — and get back only the answer, not the material.
LABSCO SUMMARY
Reading a whole log to answer one question costs your session the whole log — delegating it costs a paragraph, and follow_up means the follow-up question does not resend anything either. The failure handling is unusually considered: quota exhaustion normally shows up as a silent hang, and here it is detected from the run log, failed over to the next model in the chain, and reported with the reset time. Set the client-side timeout generously when you register it, or long delegations will look like failures they are not.
A delegation bridge from your assistant to the Antigravity CLI. Six purpose-shaped tools each route to a preferred model, run the work outside your session, and return only the result — so large files and wide searches never enter your context window.
Node.js 18+, and the Antigravity CLI (agy) installed and authenticated — that is where the work actually runs, and AGY_PATH points at the binary if it is not on PATH. It runs as npx -y agy-bridge. One setup detail matters: register it with a generous client-side tool timeout, since a cold-start analysis or a long delegation will otherwise hit the client's default deadline while the run is still going.
One command — claude mcp add-json -s user agy-bridge '{"command":"npx","args":["-y","agy-bridge"],"timeout":600000}'
USE CASES
Send the file and the question out, and get back the answer instead of the contents.
Delegate the git log, diff and blame spelunking rather than running a dozen search commands in your own session.
Send the plan or the diff for adversarial review, which is looking for flaws and unstated assumptions rather than agreeing with you.
Delegate the lookup to a model with web access and get the answer back, not the pages.
Continue the earlier session by its id — the context is already there, so nothing is uploaded again.
Delegate the prompt directly with the working directory it needs, and let it use shell, file and web access on that side.
Counted once with only startup setup. Other versions, modes or optional credentials may expose a different list.
adversarial_reviewGet an adversarial second opinion from a different model family (Gemini Pro). ALWAYS use this for plan critiques, design reviews, and pre-merge code review: it hunts for flaws, edge cases, security issues, and unstated assumptions you may have missed.
analyze_filesDelegate file analysis to the Antigravity CLI (Gemini) instead of reading files yourself. USE THIS whenever a file is large (>200 lines) or the task spans more than 3 files: logs, database dumps, generated code, cross-file reviews, comparisons. The files never enter your context — only the answer does.
deep_searchDelegate codebase archaeology to the Antigravity CLI: git log/diff/blame spelunking, wide greps across a repo, 'when/why did X change', 'where is Y used'. USE THIS instead of running many search commands yourself — it saves your context.
delegateRaw delegation to the Antigravity CLI for heavy tasks that don't fit the other tools. agy has full tool access (shell, file reads, web) in the given cwd.
follow_upContinue a previous Antigravity session by session_id (returned by every other tool). USE THIS for follow-up questions about a prior delegation — the full prior context is already on agy's side, so you don't resend anything.
web_lookupDelegate a web/documentation lookup to the Antigravity CLI (Gemini with web access): library docs, API references, error messages, current versions, external knowledge. USE THIS when you need information you don't have or that may be newer than your training data.
BEFORE YOU INSTALL
6 tools when we connected.
Both documented clients run the server on your machine.
CONTEXT COST
Rated by the size of the 6 tool definitions that ride along on every turn, not by how many there are
INSTALLATION
claude mcp add-json -s user agy-bridge '{"command":"npx","args":["-y","agy-bridge"],"timeout":600000}'{
"mcpServers": {
"agy-bridge": {
"command": "npx",
"args": [
"-y",
"agy-bridge"
],
"timeout": 600000
}
}
}{
"mcpServers": {
"agy-bridge": {
"command": "npx",
"args": [
"-y",
"agy-bridge"
]
}
}
}MCP servers
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