Borrowing it
Nothing to install: this file belongs to thmtz/nanoclaw-fleet. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/thmtz/nanoclaw-fleet/main/.claude/skills/add-signal/SKILL.mdgit clone --depth 1 https://github.com/thmtz/nanoclaw-fleetWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/thmtz/nanoclaw-fleet/add-signal)<a href="https://agentmods.dev/skills/thmtz/nanoclaw-fleet/add-signal"><img src="https://agentmods.dev/badge/skills/thmtz/nanoclaw-fleet/add-signal/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/thmtz/nanoclaw-fleet/add-signal"><img src="https://agentmods.dev/badge/skills/thmtz/nanoclaw-fleet/add-signal.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What 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 5.1 | $0.00022 | $0.01408 |
| Opus 5 | $0.00011 | $0.00704 |
| Sonnet 5 | $0.00004 | $0.00282 |
| Haiku 4.5 | $0.00002 | $0.00141 |
Grade A, and why
add-signal scanned grade A with 1 finding 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 11d 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.
Runs shell commandslowCapability
Expected in a hook, worth knowing in a rule or an instructions file.
No npm packages to install — the adapter uses only Node.js builtins (`node:net`, `node:child_process`, `node:fs`). How it starts
The opening of the file, as written. The whole thing — 149 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Add Signal Channel
Adds Signal messaging support via a native adapter that speaks JSON-RPC to a signal-cli TCP daemon. No Chat SDK bridge, no npm deps — only Node.js builtins.
Prerequisites
signal-cli installed and a Signal account linked:
- macOS:
brew install signal-cli - Linux: download from GitHub releases
- Link your account:
signal-cli -a +1YOURNUMBER link(follow the QR instructions)
Install
NanoClaw doesn't ship channels in trunk. This skill copies the Signal adapter and its tests in from the channels branch.
Pre-flight (idempotent)
Skip to Credentials if all of these are already in place:
src/channels/signal.tsandsrc/channels/signal.test.tsboth existsrc/channels/index.tscontainsimport './signal.js';
Otherwise continue. Every step below is safe to re-run.
1. Fetch the channels branch
git fetch origin channels
2. Copy the adapter and tests
git show origin/channels:src/channels/signal.ts > src/channels/signal.ts
git show origin/channels:src/channels/signal.test.ts > src/channels/signal.test.ts
3. Append the self-registration import
Append to src/channels/index.ts (skip if the line is already present):
import './signal.js';
4. Build
pnpm run build
No npm packages to install — the adapter uses only Node.js builtins (node:net, node:child_process, node:fs).
Credentials
Add to .env:
SIGNAL_ACCOUNT=+1YOURNUMBER
Optional settings
# TCP daemon host and port (default: 127.0.0.1:7583)
SIGNAL_TCP_HOST=127.0.0.1
SIGNAL_TCP_PORT=7583
# Path to the signal-cli binary (default: resolved on PATH)
SIGNAL_CLI_PATH=/usr/local/bin/signal-cli
# Whether NanoClaw manages the daemon lifecycle (default: true).
# Set to false if you run signal-cli daemon externally.
SIGNAL_MANAGE_DAEMON=true
# signal-cli data directory (default: ~/.local/share/signal-cli)
SIGNAL_DATA_DIR=~/.local/share/signal-cli
What ships with it
2 files 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.
- 11d ago First seen · 149 lines · 22 tokens per session scan A c1060ebd9e2e
add-signal is a skill published in the GitHub repository thmtz/nanoclaw-fleet (5 stars, last pushed 4mo ago), licensed MIT. It adds 22 tokens to every session and 1,408 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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