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 skills add cruzs85/opencode-multiagente-local-37-iterations --skill json-safe-editgit clone --depth 1 https://github.com/cruzs85/opencode-multiagente-local-37-iterationsWrote 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/cruzs85/opencode-multiagente-local-37-iterations/json-safe-edit)<a href="https://agentmods.dev/skills/cruzs85/opencode-multiagente-local-37-iterations/json-safe-edit"><img src="https://agentmods.dev/badge/skills/cruzs85/opencode-multiagente-local-37-iterations/json-safe-edit/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/cruzs85/opencode-multiagente-local-37-iterations/json-safe-edit"><img src="https://agentmods.dev/badge/skills/cruzs85/opencode-multiagente-local-37-iterations/json-safe-edit.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 | $0.00056 | $0.01050 |
| Opus 5 | $0.00028 | $0.00525 |
| Sonnet 5 | $0.00011 | $0.00210 |
| Haiku 4.5 | $0.00006 | $0.00105 |
Grade A, and why
json-safe-edit 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 9d 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.
How it starts
The opening of the file, as written. The whole thing — 124 lines — stays where its author put it; the contents beside it link to each section on GitHub.
JSON Safe Edit Protocol
Objetivo
Evitar la corrupción de archivos JSON al editarlos, especialmente cuando contienen valores string largos de línea única (como prompts de agentes).
Cuándo usarla
Siempre que vayas a modificar un archivo .json en el proyecto, especialmente:
opencode.json— contiene prompts de línea única con\nescapadospackage.json— dependencias y scriptsangular.json— configuración del proyecto Angulartsconfig.json,tsconfig.app.json,tsconfig.spec.json— configuración TypeScript
Métodos de edición segura
Método 1: node -e programático (RECOMENDADO para modificar valores específicos)
Usa bash con node -e para parsear, modificar y serializar el JSON. Así evitas problemas con caracteres escapados.
node -e "
const fs = require('fs');
const ruta = 'archivo.json';
const doc = JSON.parse(fs.readFileSync(ruta, 'utf8'));
// Modifica las propiedades necesarias
doc.agenteX.propiedad = 'nuevo valor con \\n saltos';
fs.writeFileSync(ruta, JSON.stringify(doc, null, 2) + '\n');
console.log('✅ JSON actualizado correctamente');
"
Ventajas: No toca el formato del archivo, maneja escapes automáticamente, seguro.
Método 2: cat heredoc (RECOMENDADO para reescribir archivos completos)
Cuando necesites reemplazar el contenido COMPLETO de un archivo JSON (ej: archivos pequeños o nueva creación):
cat > archivo.json << 'EOF'
{
"clave": "valor con \\n saltos"
}
EOF
Ventajas: Control total del contenido, ideal para archivos nuevos o pequeños.
Método 3: edit tool (SOLO para archivos con estructura multilínea y valores cortos)
Usa la herramienta edit ÚNICAMENTE cuando:
- El archivo JSON tiene estructura multilínea (pretty-printed)
- Los valores string son cortos (< 100 caracteres)
- No contienen caracteres escapados complejos
⚠️ PROHIBIDO usar edit para:
- Archivos JSON con valores string de línea única (como prompts con
\n) - Valores que contengan caracteres escapados
- Reemplazar contenido completo de un archivo JSON
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.
- 9d ago First seen · 124 lines · 56 tokens per session scan A f229582ba064
json-safe-edit is a skill published in the GitHub repository cruzs85/opencode-multiagente-local-37-iterations (5 stars, last pushed 1mo ago), licensed MIT. It adds 56 tokens to every session and 1,050 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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