Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add mcp/gemini-cli-extensions/data-agent-kit-starter-pack/spannergit clone --depth 1 https://github.com/gemini-cli-extensions/data-agent-kit-starter-packGrade A, and why
spanner scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
{
"spanner": {
"command": "npx",
"args": [
"-y",
"@toolbox-sdk/server@latest",
"--prebuilt",
"spanner",
"--stdio",
"--user-agent-metadata",
"datacloud.codex"
],
"env": {
"SPANNER_DATABASE": "",
"SPANNER_DIALECT": "",
"SPANNER_INSTANCE": "",
"SPANNER_PROJECT": "$PROJECT_ID"
}
}
}What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- today Changed 42e4b0af5dd0
- 2d ago First seen · 20 lines scan A da2873313062
spanner is an MCP server published in the GitHub repository gemini-cli-extensions/data-agent-kit-starter-pack (177 stars, last pushed today), licensed Apache-2.0. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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