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 skills/open-latch/latch/source-command-latch-treenpx skills add open-latch/latch --skill source-command-latch-treegit clone --depth 1 https://github.com/open-latch/latchWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00056 | $0.00604 |
| Opus 5 | $0.00028 | $0.00302 |
| Sonnet 5 | $0.00011 | $0.00121 |
| Haiku 4.5 | $0.00006 | $0.00060 |
Grade A, and why
source-command-latch-tree scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
source-command-latch-tree
Use this skill when the user asks Codex to rebuild the latch KB hierarchy for the current project.
Command Template
Resolve the active latch checkout, then run:
latch_home="${LATCH_HOME:-}"
if [ -z "$latch_home" ] && [ -n "${CLAUDE_KB_HOME:-}" ]; then
latch_home="$CLAUDE_KB_HOME"
fi
if [ -z "$latch_home" ]; then
search_dir="$PWD"
while [ "$search_dir" != "/" ]; do
if [ -f "$search_dir/AGENTS.md" ]; then
latch_home="$(sed -n 's|.*Follow `\([^`]*\)/README\.md` per-user setup.*|\1|p' "$search_dir/AGENTS.md" | head -n 1)"
[ -n "$latch_home" ] && break
fi
search_dir="$(dirname "$search_dir")"
done
fi
if [ -z "$latch_home" ]; then
candidate="$(git rev-parse --show-toplevel 2>/dev/null || pwd)"
if [ -f "$candidate/src/mcp_server.py" ] && [ -d "$candidate/commands" ]; then
latch_home="$candidate"
fi
fi
if [ -z "$latch_home" ] || [ ! -f "$latch_home/src/mcp_server.py" ]; then
echo "Could not find latch checkout; set LATCH_HOME to your latch install." >&2
exit 1
fi
if [ -z "${LATCH_MAINTENANCE_BACKEND:-}" ] && [ -z "${CLAUDE_KB_MAINTENANCE_BACKEND:-}" ] && [ -z "${LATCH_MODEL_BACKEND:-}" ] && [ -z "${LATCH_GATE_BACKEND:-}" ] && [ -z "${CLAUDE_KB_GATE_BACKEND:-}" ]; then
export LATCH_MAINTENANCE_BACKEND=codex
fi
python "$latch_home/src/maintenance.py" tree "$(pwd)"
Report the JSON summary, especially linkage, leaves, landmarks,
clusters, largest_cluster, p95_cluster_size, summaries_generated,
singletons, oversized_skipped, budget_blocked, llm_failed, and
prior_summaries_staled. If the command fails, check maintenance.log and
tree.log in the selected latch checkout.
What ships with it
1 file beside SKILL.md 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.
- 2d ago First seen · 51 lines · 56 tokens per session scan A 2bb48489698f
source-command-latch-tree is a skill published in the GitHub repository open-latch/latch (9 stars, last pushed 2d ago), licensed Apache-2.0. It adds 56 tokens to every session and 604 once invoked, about $0.0003 per session on Opus 5. 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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