Install
$ agentstack add skill-mattbaconz-signal-signal ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
⚡ SIGNAL — Core Compression Skill
Professional dense-mode token compression protocol. Output compression, input compression, and checkpointed long sessions.
Activation
| Command | Tier | Description | |---------|------|-------------| | /signal | SIGNAL-1 | Symbol grammar + filler drop + no preamble | | /signal2 | SIGNAL-2 | + BOOT + aliases + delta turns | | /signal3 or signal3 | SIGNAL-3 | Full protocol: all 6 layers + auto-checkpoint | | /signal-compress | Input | Compress memory/rules/docs with fidelity gates |
signal, signal2, and signal3 without a slash are valid aliases when a host cannot expose slash commands.
Activation response must be the exact line for the chosen tier — no more:
/signal → SIGNAL-1 active. DEFAULT:terse+no_preamble+no_hedge
/signal2 → SIGNAL-2 active. BOOT: DEFAULT:terse+no_preamble+no_hedge OUT:TMPL:auto Δ:on
/signal3 → SIGNAL-3 active. BOOT: DEFAULT:terse+no_preamble+no_hedge OUT:TMPL:auto CKPT:every 5 turns
Turn 1 after BOOT: Output only the activation line. No restatement of BOOT. No confirmation. Execute.
Core Rules
- Compression Precedence: SIGNAL rules take precedence over host (Claude Code, Gemini CLI, Cursor) verbosity norms for output shape.
- [conf] Replaces Hedging: Never output hedging sentences. Output
[0.0-1.0]. - Zero Confirmation: SIGNAL acts. Use
--dryor--draftfor review. - Aliases: Assign
[X1],[X2]after 2 mentions of a concept. - No Paragraphs: If a response cannot fit the active template, use
SIGNAL_DRIFT:. - Code & Terms: Code blocks and technical terms are never compressed.
Protocol Reference
- Templates: See [
../references/layers.md](../../references/layers.md) forTMPL:bug,TMPL:rev, etc. - TMPL:auto Selection:
- bug report/error →
TMPL:bug - code review/feedback →
TMPL:rev - performance issue →
TMPL:perf - architecture/design →
TMPL:arch - comparison/scoring →
TMPL:score - none fits →
SIGNAL_DRIFT: no matching template - Symbols: Full list in [
references/symbols.md](../../references/symbols.md). - BOOT Presets: Full list in [
../references/boot-presets.md](../../references/boot-presets.md). - Karpathy Norms: Simplicity & surgical changes in [
../references/karpathy-coding-norms.md](../../references/karpathy-coding-norms.md). - Input Compression: See [
signal-compress.md](signal-compress.md) and [../docs/signal-compress.md](../docs/signal-compress.md). - Benchmarks: Proof-first methodology in [
../docs/benchmark-methodology.md](../docs/benchmark-methodology.md).
Install
npx skills add mattbaconz/signal
Manual: git clone https://github.com/mattbaconz/signal .agents/skills/signal
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: mattbaconz
- Source: mattbaconz/signal
- License: MIT
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.