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.
/plugin marketplace add eshwarvijay/secondmatenpx agentmods add plugins/eshwarvijay/secondmate/marketplacegit clone --depth 1 https://github.com/eshwarvijay/secondmateGrade A, and why
secondmate 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 yesterday.
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
{
"$schema": "https://anthropic.com/claude-code/marketplace.schema.json",
"name": "secondmate",
"description": "Your coding agent's second-in-command: a rival model reviews every diff, gates stop the sloppy ones, and nothing merges without your word.",
"owner": {
"name": "Eshwar Vijay",
"url": "https://github.com/eshwarvijay"
},
"plugins": [
{
"name": "secondmate",
"description": "Cross-model review that ships only what survives: an edit-locked checker with a verdict envelope, a verify-gate, durable holds, loop guards, and reasoning one-shots.",
"source": "./",
"category": "productivity"
}
]
}
What ships with it
1 file beside marketplace.json in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- yesterday First seen · 18 lines scan A 1f2443221644
secondmate is a plugin published in the GitHub repository eshwarvijay/secondmate (3 stars, last pushed 5d ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. 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 2026-08-31.
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