{"title":"유틸리티 도구 (time, calc, random)","slug":"tools","category":"api","summary":"공용 유틸리티 엔드포인트 — 서버 시간, 안전한 계산기, 무작위 값 생성기. 인증 불필요.","audience":["human","llm"],"tags":["api","tools","utility","public"],"difficulty":"beginner","updated":"2026-06-27","word_count":215,"read_minutes":1,"llm_context":"No auth required for any /tools/* endpoint.\nGET /tools/time → { time, timezone, offset }\nGET /tools/calc?expr=(10+5)*3 → { result, expr } (safe, no eval, arithmetic only)\nGET /tools/random?type=uuid → { value, type } (types: uuid, int, float, hex, alpha)\nUse case: LLM agents that need current time, safe math, or random values.\n","lang":"ko","translated":true,"requested_lang":"ko","content_markdown":"\n# 유틸리티 도구\n\n`/tools` 엔드포인트는 공용 유틸리티입니다 — 인증이 필요하지 않습니다.\n서버 측 시간, 안전한 수학, 또는 무작위 값이 필요한 LLM 에이전트에\n유용합니다.\n\n## GET /tools/time\n\n현재 서버 시간, 시간대, UTC 오프셋을 가져옵니다.\n\n```bash\ncurl https://synapse.schaefer.zone/tools/time\n```\n\n응답:\n\n```json\n{\n  \"time\": \"2026-06-27T14:30:00.000Z\",\n  \"timezone\": \"Europe/Berlin\",\n  \"offset\": 120\n}\n```\n\n사용 사례: 스케줄링, 타임스탬프, 또는 상대적 날짜 계산을 위해 \"지금 몇\n시인지\" 알아야 하는 LLM 에이전트.\n\n## GET /tools/calc\n\n안전한 계산기 — 산술만 지원, `eval()` 없음. `+`, `-`, `*`, `/`, `%`,\n`(`, `)`, 숫자를 지원합니다.\n\n```bash\ncurl \"https://synapse.schaefer.zone/tools/calc?expr=(10+5)*3\"\n```\n\n응답:\n\n```json\n{\n  \"result\": 45,\n  \"expr\": \"(10+5)*3\"\n}\n```\n\n> [!TIP]\n> 머릿속으로 또는 문자열 파싱을 통해 수학을 하는 대신 이것을\n> 사용하십시오. 안전하고 (코드 주입 불가) 정확합니다.\n\n### 지원 연산자\n\n- `+` 덧셈\n- `-` 뺄셈\n- `*` 곱셈\n- `/` 나눗셈\n- `%` 나머지\n- `(` `)` 괄호\n- 숫자 (정수 및 소수)\n\n### 예시\n\n```bash\ncurl \".../tools/calc?expr=2+2\"          # → 4\ncurl \".../tools/calc?expr=3.14*100\"     # → 314\ncurl \".../tools/calc?expr=100%7\"        # → 2\ncurl \".../tools/calc?expr=(2+3)*4-1\"    # → 19\n```\n\n## GET /tools/random\n\n무작위 값을 생성합니다.\n\n```bash\n# UUID v4\ncurl \"https://synapse.schaefer.zone/tools/random?type=uuid\"\n# → { \"value\": \"a1b2c3d4-...\", \"type\": \"uuid\" }\n\n# Integer (default range 0-100)\ncurl \"https://synapse.schaefer.zone/tools/random?type=int&min=1&max=10\"\n# → { \"value\": 7, \"type\": \"int\" }\n\n# Float\ncurl \"https://synapse.schaefer.zone/tools/random?type=float&min=0&max=1\"\n# → { \"value\": 0.7234, \"type\": \"float\" }\n\n# Hex string\ncurl \"https://synapse.schaefer.zone/tools/random?type=hex&min=8&max=16\"\n# → { \"value\": \"a3f7b2c1\", \"type\": \"hex\" }\n\n# Alphabetic string\ncurl \"https://synapse.schaefer.zone/tools/random?type=alpha&min=8&max=12\"\n# → { \"value\": \"kQmzPwXn\", \"type\": \"alpha\" }\n```\n\n### 타입 파라미터\n\n| 타입 | 파라미터 | 출력 |\n|------|-----------|--------|\n| `uuid` | 없음 | UUID v4 문자열 |\n| `int` | `min`, `max` (기본값 0-100) | 정수 |\n| `float` | `min`, `max` (기본값 0-100) | 소수 |\n| `hex` | `min`, `max` (길이 범위, 기본값 8-16) | Hex 문자열 |\n| `alpha` | `min`, `max` (길이 범위, 기본값 8-16) | 알파벳 문자열 |\n\n## LLM 에이전트를 위한 사용 사례\n\n### 고유 ID 생성\n\n```bash\nID=$(curl -s .../tools/random?type=uuid | jq -r .value)\ncurl -X POST .../memory -d \"{\\\"key\\\": \\\"task_$ID\\\", ...}\"\n```\n\n### 백분율 계산\n\n```bash\nTOTAL=142\nDONE=87\nPERCENT=$(curl -s \".../tools/calc?expr=($DONE*100)/$TOTAL\" | jq -r .result)\necho \"Progress: $PERCENT%\"\n```\n\n### 현재 타임스탬프 가져오기\n\n```bash\nNOW=$(curl -s .../tools/time | jq -r .time)\ncurl -X POST .../var -d \"{\\\"key\\\": \\\"last_run\\\", \\\"value\\\": \\\"$NOW\\\"}\"\n```\n\n### 테스트 데이터 생성\n\n```bash\nfor i in {1..10}; do\n  NAME=$(curl -s \".../tools/random?type=alpha&min=5&max=10\" | jq -r .value)\n  curl -X POST .../memory -d \"{\\\"key\\\": \\\"test_$i\\\", \\\"content\\\": \\\"$NAME\\\"}\"\ndone\n```\n\n## 다음 단계\n\n- [API 개요](/docs/api/overview) — 모든 엔드포인트 그룹\n- [오류 및 오류 처리](/docs/api/errors)\n","content_html":"<h1>유틸리티 도구</h1>\n<p><code>/tools</code> 엔드포인트는 공용 유틸리티입니다 — 인증이 필요하지 않습니다.\n서버 측 시간, 안전한 수학, 또는 무작위 값이 필요한 LLM 에이전트에\n유용합니다.</p>\n<h2>GET /tools/time</h2>\n<p>현재 서버 시간, 시간대, UTC 오프셋을 가져옵니다.</p>\n<pre><code class=\"hljs language-bash\">curl https://synapse.schaefer.zone/tools/time</code></pre><p>응답:</p>\n<pre><code class=\"hljs language-json\"><span class=\"hljs-punctuation\">{</span>\n  <span class=\"hljs-attr\">&quot;time&quot;</span><span class=\"hljs-punctuation\">:</span> <span class=\"hljs-string\">&quot;2026-06-27T14:30:00.000Z&quot;</span><span class=\"hljs-punctuation\">,</span>\n  <span class=\"hljs-attr\">&quot;timezone&quot;</span><span class=\"hljs-punctuation\">:</span> <span class=\"hljs-string\">&quot;Europe/Berlin&quot;</span><span class=\"hljs-punctuation\">,</span>\n  <span class=\"hljs-attr\">&quot;offset&quot;</span><span class=\"hljs-punctuation\">:</span> <span class=\"hljs-number\">120</span>\n<span class=\"hljs-punctuation\">}</span></code></pre><p>사용 사례: 스케줄링, 타임스탬프, 또는 상대적 날짜 계산을 위해 &quot;지금 몇\n시인지&quot; 알아야 하는 LLM 에이전트.</p>\n<h2>GET /tools/calc</h2>\n<p>안전한 계산기 — 산술만 지원, <code>eval()</code> 없음. <code>+</code>, <code>-</code>, <code>*</code>, <code>/</code>, <code>%</code>,\n<code>(</code>, <code>)</code>, 숫자를 지원합니다.</p>\n<pre><code class=\"hljs language-bash\">curl <span class=\"hljs-string\">&quot;https://synapse.schaefer.zone/tools/calc?expr=(10+5)*3&quot;</span></code></pre><p>응답:</p>\n<pre><code class=\"hljs language-json\"><span class=\"hljs-punctuation\">{</span>\n  <span class=\"hljs-attr\">&quot;result&quot;</span><span class=\"hljs-punctuation\">:</span> <span class=\"hljs-number\">45</span><span class=\"hljs-punctuation\">,</span>\n  <span class=\"hljs-attr\">&quot;expr&quot;</span><span class=\"hljs-punctuation\">:</span> <span class=\"hljs-string\">&quot;(10+5)*3&quot;</span>\n<span class=\"hljs-punctuation\">}</span></code></pre><div class=\"callout callout-ok\">머릿속으로 또는 문자열 파싱을 통해 수학을 하는 대신 이것을\n사용하십시오. 안전하고 (코드 주입 불가) 정확합니다.</div><h3>지원 연산자</h3>\n<ul>\n<li><code>+</code> 덧셈</li>\n<li><code>-</code> 뺄셈</li>\n<li><code>*</code> 곱셈</li>\n<li><code>/</code> 나눗셈</li>\n<li><code>%</code> 나머지</li>\n<li><code>(</code> <code>)</code> 괄호</li>\n<li>숫자 (정수 및 소수)</li>\n</ul>\n<h3>예시</h3>\n<pre><code class=\"hljs language-bash\">curl <span class=\"hljs-string\">&quot;.../tools/calc?expr=2+2&quot;</span>          <span class=\"hljs-comment\"># → 4</span>\ncurl <span class=\"hljs-string\">&quot;.../tools/calc?expr=3.14*100&quot;</span>     <span class=\"hljs-comment\"># → 314</span>\ncurl <span class=\"hljs-string\">&quot;.../tools/calc?expr=100%7&quot;</span>        <span class=\"hljs-comment\"># → 2</span>\ncurl <span class=\"hljs-string\">&quot;.../tools/calc?expr=(2+3)*4-1&quot;</span>    <span class=\"hljs-comment\"># → 19</span></code></pre><h2>GET /tools/random</h2>\n<p>무작위 값을 생성합니다.</p>\n<pre><code class=\"hljs language-bash\"><span class=\"hljs-comment\"># UUID v4</span>\ncurl <span class=\"hljs-string\">&quot;https://synapse.schaefer.zone/tools/random?type=uuid&quot;</span>\n<span class=\"hljs-comment\"># → { &quot;value&quot;: &quot;a1b2c3d4-...&quot;, &quot;type&quot;: &quot;uuid&quot; }</span>\n\n<span class=\"hljs-comment\"># Integer (default range 0-100)</span>\ncurl <span class=\"hljs-string\">&quot;https://synapse.schaefer.zone/tools/random?type=int&amp;min=1&amp;max=10&quot;</span>\n<span class=\"hljs-comment\"># → { &quot;value&quot;: 7, &quot;type&quot;: &quot;int&quot; }</span>\n\n<span class=\"hljs-comment\"># Float</span>\ncurl <span class=\"hljs-string\">&quot;https://synapse.schaefer.zone/tools/random?type=float&amp;min=0&amp;max=1&quot;</span>\n<span class=\"hljs-comment\"># → { &quot;value&quot;: 0.7234, &quot;type&quot;: &quot;float&quot; }</span>\n\n<span class=\"hljs-comment\"># Hex string</span>\ncurl <span class=\"hljs-string\">&quot;https://synapse.schaefer.zone/tools/random?type=hex&amp;min=8&amp;max=16&quot;</span>\n<span class=\"hljs-comment\"># → { &quot;value&quot;: &quot;a3f7b2c1&quot;, &quot;type&quot;: &quot;hex&quot; }</span>\n\n<span class=\"hljs-comment\"># Alphabetic string</span>\ncurl <span class=\"hljs-string\">&quot;https://synapse.schaefer.zone/tools/random?type=alpha&amp;min=8&amp;max=12&quot;</span>\n<span class=\"hljs-comment\"># → { &quot;value&quot;: &quot;kQmzPwXn&quot;, &quot;type&quot;: &quot;alpha&quot; }</span></code></pre><h3>타입 파라미터</h3>\n<table>\n<thead>\n<tr>\n<th>타입</th>\n<th>파라미터</th>\n<th>출력</th>\n</tr>\n</thead>\n<tbody><tr>\n<td><code>uuid</code></td>\n<td>없음</td>\n<td>UUID v4 문자열</td>\n</tr>\n<tr>\n<td><code>int</code></td>\n<td><code>min</code>, <code>max</code> (기본값 0-100)</td>\n<td>정수</td>\n</tr>\n<tr>\n<td><code>float</code></td>\n<td><code>min</code>, <code>max</code> (기본값 0-100)</td>\n<td>소수</td>\n</tr>\n<tr>\n<td><code>hex</code></td>\n<td><code>min</code>, <code>max</code> (길이 범위, 기본값 8-16)</td>\n<td>Hex 문자열</td>\n</tr>\n<tr>\n<td><code>alpha</code></td>\n<td><code>min</code>, <code>max</code> (길이 범위, 기본값 8-16)</td>\n<td>알파벳 문자열</td>\n</tr>\n</tbody></table>\n<h2>LLM 에이전트를 위한 사용 사례</h2>\n<h3>고유 ID 생성</h3>\n<pre><code class=\"hljs language-bash\">ID=$(curl -s .../tools/random?<span class=\"hljs-built_in\">type</span>=uuid | jq -r .value)\ncurl -X POST .../memory -d <span class=\"hljs-string\">&quot;{\\&quot;key\\&quot;: \\&quot;task_<span class=\"hljs-variable\">$ID</span>\\&quot;, ...}&quot;</span></code></pre><h3>백분율 계산</h3>\n<pre><code class=\"hljs language-bash\">TOTAL=142\nDONE=87\nPERCENT=$(curl -s <span class=\"hljs-string\">&quot;.../tools/calc?expr=(<span class=\"hljs-variable\">$DONE</span>*100)/<span class=\"hljs-variable\">$TOTAL</span>&quot;</span> | jq -r .result)\n<span class=\"hljs-built_in\">echo</span> <span class=\"hljs-string\">&quot;Progress: <span class=\"hljs-variable\">$PERCENT</span>%&quot;</span></code></pre><h3>현재 타임스탬프 가져오기</h3>\n<pre><code class=\"hljs language-bash\">NOW=$(curl -s .../tools/time | jq -r .<span class=\"hljs-keyword\">time</span>)\ncurl -X POST .../var -d <span class=\"hljs-string\">&quot;{\\&quot;key\\&quot;: \\&quot;last_run\\&quot;, \\&quot;value\\&quot;: \\&quot;<span class=\"hljs-variable\">$NOW</span>\\&quot;}&quot;</span></code></pre><h3>테스트 데이터 생성</h3>\n<pre><code class=\"hljs language-bash\"><span class=\"hljs-keyword\">for</span> i <span class=\"hljs-keyword\">in</span> {1..10}; <span class=\"hljs-keyword\">do</span>\n  NAME=$(curl -s <span class=\"hljs-string\">&quot;.../tools/random?type=alpha&amp;min=5&amp;max=10&quot;</span> | jq -r .value)\n  curl -X POST .../memory -d <span class=\"hljs-string\">&quot;{\\&quot;key\\&quot;: \\&quot;test_<span class=\"hljs-variable\">$i</span>\\&quot;, \\&quot;content\\&quot;: \\&quot;<span class=\"hljs-variable\">$NAME</span>\\&quot;}&quot;</span>\n<span class=\"hljs-keyword\">done</span></code></pre><h2>다음 단계</h2>\n<ul>\n<li><a href=\"/docs/api/overview\">API 개요</a> — 모든 엔드포인트 그룹</li>\n<li><a href=\"/docs/api/errors\">오류 및 오류 처리</a></li>\n</ul>\n","urls":{"html":"/docs/api/tools","text":"/docs/api/tools?format=text","json":"/docs/api/tools?format=json","llm":"/docs/api/tools?format=llm"},"translations_available":["en","zh","hi","es","fr","ar","pt","ru","ja","de","it","ko","nl","pl","tr","sv","vi","th","id","uk"]}