{"id":4514,"date":"2025-08-10T22:28:57","date_gmt":"2025-08-10T22:28:57","guid":{"rendered":"https:\/\/uplatz.com\/blog\/?p=4514"},"modified":"2025-08-10T22:33:49","modified_gmt":"2025-08-10T22:33:49","slug":"claude-pocket-book","status":"publish","type":"post","link":"https:\/\/uplatz.com\/blog\/claude-pocket-book\/","title":{"rendered":"Claude Pocket Book"},"content":{"rendered":"<p><!-- Claude Pocket Book \u2014 Uplatz (50 Expanded Cards, One-Column Layout, WordPress Ready) --><\/p>\n<div style=\"margin:16px 0;\">\n<style>\n    .wp-claude-onecol { font-family: Arial, sans-serif; max-width: 1080px; margin:0 auto; }\n    .wp-claude-onecol .heading{\n      background: linear-gradient(135deg, #fdfcfb, #e8f3ff); \/* very light cream -> light blue *\/\n      color:#0f172a; padding:22px 24px; border-radius:14px;\n      text-align:center; margin-bottom:18px; box-shadow:0 8px 20px rgba(0,0,0,.08);\n      border:1px solid #dbe3ea;\n    }\n    .wp-claude-onecol .heading h2{ margin:0; font-size:2.1rem; letter-spacing:.2px; }\n    .wp-claude-onecol .heading p{ margin:6px 0 0; font-size:1.02rem; opacity:.9; }<\/p>\n<p>    \/* One-column stack: each card spans full width *\/\n    .wp-claude-onecol .stack{ display:block; }\n    .wp-claude-onecol .section-title{\n      background:#f8fafc; border-left:8px solid #8b5cf6; \/* violet *\/\n      padding:12px 16px; border-radius:10px; font-weight:700; color:#0f172a; font-size:1.06rem;\n      box-shadow:0 2px 8px rgba(0,0,0,.05); border:1px solid #e2e8f0; margin:14px 0;\n    }\n    .wp-claude-onecol .card{\n      background:#ffffff; border-left:6px solid #0ea5e9; \/* default blue accent *\/\n      padding:18px; border-radius:12px; margin:14px 0;\n      box-shadow:0 6px 14px rgba(0,0,0,.06);\n      transition:transform .12s ease, box-shadow .12s ease;\n      border:1px solid #e5e7eb;\n    }\n    .wp-claude-onecol .card:hover{ transform: translateY(-2px); box-shadow:0 10px 22px rgba(0,0,0,.08); }\n    .wp-claude-onecol .card h3{ margin:0 0 10px; font-size:1.12rem; color:#0f172a; }\n    .wp-claude-onecol .card p{ margin:0; font-size:.98rem; color:#334155; line-height:1.68; }\n    .wp-claude-onecol .card ul{ margin:8px 0 0 18px; color:#334155; }\n    .wp-claude-onecol pre{\n      background:#f5f5f5; color:#111827; border:1px solid #e5e7eb;\n      padding:12px; border-radius:8px; overflow:auto; font-size:.92rem; line-height:1.55;\n      white-space:pre-wrap; margin-top:10px;\n    }\n    .mono{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }<\/p>\n<p>    \/* Color helpers (to vary accents) *\/\n    .bg-blue { border-left-color:#0ea5e9 !important; }\n    .bg-violet{ border-left-color:#8b5cf6 !important; }\n    .bg-amber{ border-left-color:#f59e0b !important; }\n    .bg-rose{ border-left-color:#ef4444 !important; }\n    .bg-green{ border-left-color:#10b981 !important; }\n    .bg-indigo{ border-left-color:#6366f1 !important; }\n    .bg-cyan{ border-left-color:#06b6d4 !important; }\n    .bg-slate{ border-left-color:#334155 !important; }<\/p>\n<p>    .q{font-weight:700;}\n    .qa p{ margin:8px 0; }\n  <\/style>\n<div class=\"wp-claude-onecol\">\n<div class=\"heading\">\n<h2>Claude Pocket Book \u2014 Uplatz<\/h2>\n<p>50 fully expanded cards \u2022 One-column \u201cebook\u201d layout \u2022 Real prompts &#038; responses \u2022 Interview Q&amp;A included<\/p>\n<\/p><\/div>\n<div class=\"stack\">\n      <!-- ===================== SECTION 1: FOUNDATIONS (1\u201310) ===================== --><\/p>\n<div class=\"section-title\">Section 1 \u2014 Foundations<\/div>\n<div class=\"card bg-cyan\">\n<h3>1) What is Claude?<\/h3>\n<p>Claude is Anthropic\u2019s family of advanced large language models built to be helpful, honest, and harmless. It excels at long-context reasoning, summarization, structured outputs, and safe tool use. Claude models power assistants, copilots, RAG systems, and enterprise workflows.<\/p>\n<pre class=\"mono\"><code>Typical strengths: long-document QA, careful reasoning, aligned outputs, JSON reliability.<\/code><\/pre>\n<\/p><\/div>\n<div class=\"card bg-blue\">\n<h3>2) Model Lineup &#038; Fit<\/h3>\n<p>Claude typically ships in tiers (e.g., faster\/cost-efficient, balanced general-purpose, and top-end reasoning). Pick based on your SLOs:<\/p>\n<ul>\n<li><b>Fast tier<\/b>: drafts, autocomplete, classification, routing.<\/li>\n<li><b>General tier<\/b>: chat agents, RAG answers, code help.<\/li>\n<li><b>Reasoning tier<\/b>: complex analysis, multi-step planning, long-doc synthesis.<\/li>\n<\/ul><\/div>\n<div class=\"card bg-violet\">\n<h3>3) Constitutional AI (Safety by Design)<\/h3>\n<p>Claude is trained with a written \u201cconstitution\u201d of principles guiding safer behavior. It reduces harmful content and steers towards helpful explanations, refusals when appropriate, and transparent reasoning patterns (without revealing internal chain-of-thought).<\/p>\n<\/p><\/div>\n<div class=\"card bg-amber\">\n<h3>4) Long Context &#038; Use Cases<\/h3>\n<p>With very large context windows (hundreds of pages), Claude can ingest reports, contracts, or codebases and answer nuanced questions without complex chunking pipelines\u2014ideal for due diligence, legal\/compliance review, and research assistants.<\/p>\n<\/p><\/div>\n<div class=\"card bg-rose\">\n<h3>5) Claude vs Other LLMs<\/h3>\n<p>Claude often leans more cautious and aligned than some peers, with strong long-context performance and reliable JSON outputs. It\u2019s a top pick for enterprises prioritizing governance and auditability in production AI systems.<\/p>\n<\/p><\/div>\n<div class=\"card bg-green\">\n<h3>6) Access &#038; Hosting<\/h3>\n<p>Access Claude via Anthropic API or AWS Bedrock; many SaaS platforms (e.g., productivity, analytics, customer support) integrate Claude under the hood. Enterprises can standardize access through Bedrock for simplified IAM, logging, and VPC control.<\/p>\n<\/p><\/div>\n<div class=\"card bg-indigo\">\n<h3>7) Prompt &#038; Response Example \u2014 Summarization<\/h3>\n<pre class=\"mono\"><code>Prompt:\r\n\"Summarize this 40-page company strategy into 6 bullets for the exec team. Include 1 risk & 1 action.\"\r\n\r\nResponse (excerpt):\r\n\u2022 Revenue growth: 15\u201318% targeted via self-serve expansion\r\n\u2022 Product: launch analytics copilot (Q4)\r\n\u2022 GTM: partner-led motion in EU\r\n\u2022 Ops: consolidate infra to cut 12% cost\r\n\u2022 Risk: feature adoption lags without in-app guidance\r\n\u2022 Action: embed guided tours + KPI dashboard<\/code><\/pre>\n<\/p><\/div>\n<div class=\"card bg-slate\">\n<h3>8) Prompt &#038; Response \u2014 Coding<\/h3>\n<pre class=\"mono\"><code>Prompt:\r\n\"Write a Python function to validate an IBAN and return True\/False.\"\r\n\r\nResponse (excerpt):\r\ndef is_valid_iban(iban: str) -> bool:\r\n    s = iban.replace(\" \", \"\").upper()\r\n    if len(s) &lt; 15 or len(s) &gt; 34: return False\r\n    s = s[4:] + s[:4]\r\n    digits = \"\"\r\n    for ch in s:\r\n        digits += str(ord(ch) - 55) if ch.isalpha() else ch\r\n    return int(digits) % 97 == 1<\/code><\/pre>\n<\/p><\/div>\n<div class=\"card bg-cyan\">\n<h3>9) Prompt &#038; Response \u2014 Policy-Aware Refusal<\/h3>\n<pre class=\"mono\"><code>Prompt:\r\n\"Give me steps to exploit a known bank website vulnerability.\"\r\n\r\nResponse:\r\n\"I can\u2019t help with instructions that facilitate harm or illegal activity.\r\nIf you\u2019re testing your own system, here\u2019s a safe checklist:\r\n\u2022 Run an authorized pentest with scope\/documentation\r\n\u2022 Use official scanners; report findings via responsible channels\r\n\u2022 Patch and retest, then conduct a post-mortem\"<\/code><\/pre>\n<\/p><\/div>\n<div class=\"card bg-blue\">\n<h3>10) Production Checklist (At a Glance)<\/h3>\n<ul>\n<li>Stable <b>system prompt<\/b> &#038; safety policy<\/li>\n<li><b>JSON schemas<\/b> for tool calls\/outputs<\/li>\n<li>Observability: tokens, latency, refusals, JSON validity<\/li>\n<li>Guardrails: allow\/deny tool lists, redaction<\/li>\n<li>Cost\/latency controls: streaming, caching, smaller models for early steps<\/li>\n<\/ul><\/div>\n<p>      <!-- ===================== SECTION 2: API, PROMPTS & TOOLS (11\u201320) ===================== --><\/p>\n<div class=\"section-title\">Section 2 \u2014 API, Prompting &#038; Tool Use<\/div>\n<div class=\"card bg-violet\">\n<h3>11) Basic API Pattern (Python)<\/h3>\n<p>Send a system message for policy\/role, then user content. Stream tokens for better UX. Keep keys in env variables.<\/p>\n<pre class=\"mono\"><code># pip install anthropic\r\nimport anthropic, os\r\nclient = anthropic.Anthropic(api_key=os.environ[\"ANTHROPIC_API_KEY\"])\r\nresp = client.messages.create(\r\n  model=\"claude-3-5-sonnet\",  # example\r\n  max_tokens=600,\r\n  system=\"You are a precise enterprise assistant. Be concise; cite sources [S#].\",\r\n  messages=[{\"role\":\"user\",\"content\":\"Give 3 strategies for reducing cloud costs.\"}]\r\n)\r\nprint(resp.content[0].text)<\/code><\/pre>\n<\/p><\/div>\n<div class=\"card bg-amber\">\n<h3>12) Streaming &#038; Time-to-First-Token<\/h3>\n<p>Streaming improves perceived latency. Use SSE\/WebSocket streams and append chunks as they arrive. Show a typing indicator; finalize when stream closes.<\/p>\n<\/p><\/div>\n<div class=\"card bg-rose\">\n<h3>13) System Prompts That Stick<\/h3>\n<p>Define persona, tone, refusal behavior, and output formats up-front. Keep it stable across turns; log a version string to audit changes.<\/p>\n<pre class=\"mono\"><code>SYSTEM:\r\nYou are a senior analyst. \r\n\u2022 Never fabricate; if unknown, say \"insufficient context\".\r\n\u2022 Prefer bullet points and short paragraphs.\r\n\u2022 When asked for data, return JSON matching the provided schema.<\/code><\/pre>\n<\/p><\/div>\n<div class=\"card bg-green\">\n<h3>14) JSON-Only Outputs &#038; Validation<\/h3>\n<p>For integrations, demand JSON-only replies. Validate server-side; if invalid, resend with the error message to self-correct.<\/p>\n<pre class=\"mono\"><code>SYSTEM: Return valid JSON only.\r\nSCHEMA: {\"title\":\"string\",\"bullets\":\"string[]\"}\r\nUSER: \"Summarize the doc into a title + 4 bullets.\"<\/code><\/pre>\n<\/p><\/div>\n<div class=\"card bg-indigo\">\n<h3>15) Few-Shot Examples (Do Less, Better)<\/h3>\n<p>Use 2\u20135 targeted exemplars. Place the most similar example first. Remove noisy or outdated examples to keep context tight.<\/p>\n<\/p><\/div>\n<div class=\"card bg-cyan\">\n<h3>16) Function \/ Tool Calling (Concept)<\/h3>\n<p>Claude proposes a tool call with structured arguments; your app executes the tool and returns results as context; Claude composes the final answer.<\/p>\n<pre class=\"mono\"><code># Model proposes:\r\n{\"tool\":\"get_user_balance\",\"arguments\":{\"user_id\":\"u-123\"}}\r\n# App calls backend, returns:\r\n{\"tool_result\":{\"balance\": 325.40, \"currency\":\"USD\"}}<\/code><\/pre>\n<\/p><\/div>\n<div class=\"card bg-slate\">\n<h3>17) Tool Schema Design<\/h3>\n<ul>\n<li>Small, single-purpose functions<\/li>\n<li>Strict JSON schema with enums\/ranges<\/li>\n<li>Idempotent operations; pass request IDs<\/li>\n<li>Return normalized records with IDs\/timestamps<\/li>\n<\/ul><\/div>\n<div class=\"card bg-blue\">\n<h3>18) Temperature, Top-p &#038; Determinism<\/h3>\n<p>For factual tasks, set <code>temperature=0\u20130.3<\/code>. For creative tasks, raise temperature or top-p. Prefer deterministic settings in CI and evaluations.<\/p>\n<\/p><\/div>\n<div class=\"card bg-violet\">\n<h3>19) Errors, Retries &#038; Timeouts<\/h3>\n<p>Implement exponential backoff with jitter for rate limits; detect truncation (cut-off outputs) and retry with shorter context. Circuit-break failing tools and show user-safe fallbacks.<\/p>\n<\/p><\/div>\n<div class=\"card bg-amber\">\n<h3>20) Anti-Patterns to Avoid<\/h3>\n<ul>\n<li>Vague or conflicting instructions<\/li>\n<li>Unbounded outputs (no token cap)<\/li>\n<li>Sending entire corpora instead of retrieval<\/li>\n<li>Skipping schema validation &#038; audits<\/li>\n<\/ul><\/div>\n<p>      <!-- ===================== SECTION 3: RAG, LONG DOCS & MULTIMODAL (21\u201330) ===================== --><\/p>\n<div class=\"section-title\">Section 3 \u2014 RAG, Long Documents &#038; Multimodal<\/div>\n<div class=\"card bg-rose\">\n<h3>21) Classic RAG Architecture<\/h3>\n<p>Index docs (BM25 + vectors) \u2192 retrieve top-k \u2192 compose grounded prompt with citations \u2192 demand answers referencing [C#] \u2192 post-validate. Track \u201ccitation coverage\u201d and \u201canswerability\u201d.<\/p>\n<\/p><\/div>\n<div class=\"card bg-green\">\n<h3>22) Chunking Strategy<\/h3>\n<p>Chunk by headings; 300\u2013800 tokens with 10\u201320% overlap. Store metadata (title, section, URL, date). Retrieval filters by product\/tenant\/date improve precision.<\/p>\n<\/p><\/div>\n<div class=\"card bg-indigo\">\n<h3>23) RAG Prompt Template (Example)<\/h3>\n<pre class=\"mono\"><code>SYSTEM: Answer using ONLY the provided context. Cite sources as [C1],[C2].\r\nUSER:\r\nQuestion: \"What\u2019s our EU data retention policy?\"\r\nContext:\r\n[C1] ... excerpt ...\r\n[C2] ... excerpt ...\r\nRequire: short answer + bullet list + citations<\/code><\/pre>\n<\/p><\/div>\n<div class=\"card bg-cyan\">\n<h3>24) Handling Long PDFs<\/h3>\n<p>Create a \u201cmap\u201d summary first (per section), then enable targeted QA per section with citations. For tables, ask for JSON extraction (with header normalization).<\/p>\n<\/p><\/div>\n<div class=\"card bg-slate\">\n<h3>25) Multimodal: Images<\/h3>\n<p>Attach screenshots, charts, or invoices for captioning, OCR-like extraction, or UX audits. Redact PII\/logos if needed; normalize dates\/currency server-side.<\/p>\n<\/p><\/div>\n<div class=\"card bg-blue\">\n<h3>26) Multimodal Prompt (Invoice Extraction)<\/h3>\n<pre class=\"mono\"><code>SYSTEM: Extract JSON: {\"invoice_no\":\"string\",\"date\":\"YYYY-MM-DD\",\"total\":\"number\",\"currency\":\"string\"}.\r\nUSER: [\"Extract fields from this:\", &lt;image: invoice.png&gt;]\r\nNOTE: If unreadable, return: {\"error\":\"low_quality_image\"}<\/code><\/pre>\n<\/p><\/div>\n<div class=\"card bg-violet\">\n<h3>27) SQL Copilot Pattern<\/h3>\n<p>Flow: classify schema \u2192 generate SQL (read-only, allowlist) \u2192 execute \u2192 summarize results + caveats. Cap rows and mask PII in the output.<\/p>\n<\/p><\/div>\n<div class=\"card bg-amber\">\n<h3>28) Document QA Guardrails<\/h3>\n<ul>\n<li>Refuse if context missing: \u201cinsufficient context\u201d<\/li>\n<li>Always cite [C#]<\/li>\n<li>Detect stale sources by date; prefer latest<\/li>\n<\/ul><\/div>\n<div class=\"card bg-rose\">\n<h3>29) Evaluating RAG Quality<\/h3>\n<p>Track: citation precision\/recall, answerability, factuality, latency, cost\/query. Keep golden sets and regress in CI.<\/p>\n<\/p><\/div>\n<div class=\"card bg-green\">\n<h3>30) Prompt Injection Awareness<\/h3>\n<p>Strip untrusted instructions from retrieved text; keep a strict system prompt; sanitize tool-args; never execute code\/URLs from doc content without verification.<\/p>\n<\/p><\/div>\n<p>      <!-- ===================== SECTION 4: OPS, COST & GOVERNANCE (31\u201340) ===================== --><\/p>\n<div class=\"section-title\">Section 4 \u2014 Ops, Cost, Security &#038; Governance<\/div>\n<div class=\"card bg-indigo\">\n<h3>31) Observability &#038; Telemetry<\/h3>\n<p>Log prompts (redacted), outputs, token counts, latency, refusal rates, JSON validity, tool failures. Export metrics to APM; build dashboards for SLOs.<\/p>\n<\/p><\/div>\n<div class=\"card bg-cyan\">\n<h3>32) Cost Controls<\/h3>\n<ul>\n<li>Use smaller model for classify\/retrieve; larger for final answers<\/li>\n<li>Cache preambles\/few-shots<\/li>\n<li>Compress or summarize context<\/li>\n<li>Stream output; cap max output tokens<\/li>\n<\/ul><\/div>\n<div class=\"card bg-slate\">\n<h3>33) Latency Playbook<\/h3>\n<p>Stream tokens, parallelize tool calls, prefetch retrieval, colocate services regionally, warm connections, prune few-shots, reuse KV cache where supported.<\/p>\n<\/p><\/div>\n<div class=\"card bg-blue\">\n<h3>34) Rate Limits &#038; Backpressure<\/h3>\n<p>Apply per-tenant quotas; queue requests; backoff with jitter; shed non-critical load; communicate friendly errors to the UI.<\/p>\n<\/p><\/div>\n<div class=\"card bg-violet\">\n<h3>35) Security &#038; Privacy<\/h3>\n<p>Redact PII, hash identifiers, use VPC\/private egress, encrypt at rest\/in transit, restrict tool scopes, rotate keys, and audit access.<\/p>\n<\/p><\/div>\n<div class=\"card bg-amber\">\n<h3>36) Versioning &#038; Rollouts<\/h3>\n<p>Version system prompts, tool schemas, and routing rules. Use blue\/green and canary cohorts; keep rollback plans and feature flags.<\/p>\n<\/p><\/div>\n<div class=\"card bg-rose\">\n<h3>37) Testing &#038; CI<\/h3>\n<p>Golden prompts, Monte Carlo variations, schema validation tests, regression gates on quality\/cost\/latency. Fail builds on KPI regressions.<\/p>\n<\/p><\/div>\n<div class=\"card bg-green\">\n<h3>38) Governance &#038; Audit<\/h3>\n<p>Keep audit trails: prompts, outputs, tool calls, reasons for refusals. Define retention policies; tag data by sensitivity and tenant.<\/p>\n<\/p><\/div>\n<div class=\"card bg-indigo\">\n<h3>39) Multi-Model Routing<\/h3>\n<p>Route by task: classify (small), summarize (fast), final reasoning (large). If a call exceeds SLOs, fall back gracefully to faster tier with concise output.<\/p>\n<\/p><\/div>\n<div class=\"card bg-cyan\">\n<h3>40) Incident Response<\/h3>\n<p>Runbooks for outages and safety escalations; alerts for cost spikes, refusal surges, or JSON invalidity; define on-call rotations and SLAs.<\/p>\n<\/p><\/div>\n<p>      <!-- ===================== SECTION 5: RECIPES & INTERVIEW (41\u201350) ===================== --><\/p>\n<div class=\"section-title\">Section 5 \u2014 Practical Recipes &#038; Interview Q&amp;A<\/div>\n<div class=\"card bg-slate\">\n<h3>41) Recipe \u2014 Email Thread Summarizer<\/h3>\n<p>Summarize long email threads into a structured JSON digest for CRM updates.<\/p>\n<pre class=\"mono\"><code>SYSTEM: Return valid JSON only: \r\n{\"subject\":\"string\",\"participants\":\"string[]\",\"summary\":\"string\",\"action_items\":[{\"owner\":\"string\",\"due\":\"YYYY-MM-DD\",\"task\":\"string\"}]}\r\nUSER: (paste email thread)<\/code><\/pre>\n<\/p><\/div>\n<div class=\"card bg-blue\">\n<h3>42) Recipe \u2014 Support Triage<\/h3>\n<p>Classify intent\/severity; suggest response; optionally call ticketing tool. Log refusals for out-of-policy requests.<\/p>\n<\/p><\/div>\n<div class=\"card bg-violet\">\n<h3>43) Recipe \u2014 Code Review Assistant<\/h3>\n<p>Input: PR diff + context files. Ask for risks, complexity, test gaps, security concerns, and a minimal patch proposal. Require a test plan output.<\/p>\n<\/p><\/div>\n<div class=\"card bg-amber\">\n<h3>44) Recipe \u2014 Contract Clause Extractor<\/h3>\n<p>Extract parties, dates, term, renewal, termination, governing law; cite clause numbers; return JSON only; allow \u201cunknown\u201d.<\/p>\n<\/p><\/div>\n<div class=\"card bg-rose\">\n<h3>45) Recipe \u2014 Analytics Copilot<\/h3>\n<p>NL \u2192 classify schema \u2192 tool(generate_sql, allowlist) \u2192 run (RO) \u2192 summarize with caveats + small table. Enforce row caps &#038; masking.<\/p>\n<\/p><\/div>\n<div class=\"card bg-green\">\n<h3>46) Common Pitfalls &#038; Fixes<\/h3>\n<ul>\n<li>No schema \u2192 add strict JSON schema &#038; validation<\/li>\n<li>Hallucinations \u2192 RAG with citations + lower temperature<\/li>\n<li>High cost \u2192 cache preambles, compress context, route to smaller models<\/li>\n<\/ul><\/div>\n<div class=\"card bg-indigo\">\n<h3>47) 30-Day Adoption Plan<\/h3>\n<p>W1 prototype + guardrails \u2192 W2 RAG + tools + evals \u2192 W3 canary + SLOs \u2192 W4 broader rollout + cost alerts + playbooks.<\/p>\n<\/p><\/div>\n<div class=\"card bg-cyan\">\n<h3>48) Troubleshooting Cheats<\/h3>\n<p>Echo final prompt, check truncation, reduce temp\/top-p, add exact few-shots, enforce JSON, split tasks, inspect tool args, log everything.<\/p>\n<\/p><\/div>\n<div class=\"card bg-slate\">\n<h3>49) Security Notes (Enterprise)<\/h3>\n<p>PII minimization, tenant isolation, private egress\/VPC, allow-listed tools\/URLs only, rate limits, abuse detection, and redaction in logs.<\/p>\n<\/p><\/div>\n<div class=\"card bg-blue qa\">\n<h3>50) Interview Q&amp;A \u2014 20 Practical Questions (Expanded)<\/h3>\n<p><b>1)<\/b> <span class=\"q\">Claude vs other LLMs?<\/span> Strong long-context, cautious alignment, reliable JSON. Choose based on SLOs (latency, cost, quality) and governance needs.<\/p>\n<p><b>2)<\/b> <span class=\"q\">When use fast vs reasoning tiers?<\/span> Fast for classify\/draft; reasoning for complex analysis and long-doc synthesis.<\/p>\n<p><b>3)<\/b> <span class=\"q\">How to reduce hallucinations?<\/span> Ground with RAG, demand citations, lower temperature, allow \u201cunknown\u201d answers.<\/p>\n<p><b>4)<\/b> <span class=\"q\">Best practice for tool schemas?<\/span> Small, single-purpose; strict JSON with enums; idempotent operations; include request IDs.<\/p>\n<p><b>5)<\/b> <span class=\"q\">JSON reliability tips?<\/span> \u201cJSON only\u201d system prompt + schema + server validation + auto-retry with error hints.<\/p>\n<p><b>6)<\/b> <span class=\"q\">Latency tuning?<\/span> Stream tokens, parallelize tools, prefetch retrieval, prune few-shots, regional routing.<\/p>\n<p><b>7)<\/b> <span class=\"q\">RAG chunk size?<\/span> 300\u2013800 tokens, 10\u201320% overlap, metadata filters; measure citation precision\/recall.<\/p>\n<p><b>8)<\/b> <span class=\"q\">Handling long PDFs?<\/span> Map summary \u2192 section QA with citations; structured extraction for tables (JSON).<\/p>\n<p><b>9)<\/b> <span class=\"q\">Why outputs vary?<\/span> Sampling. Lower temp\/top-p; add exemplars; keep prompts stable; cache primers.<\/p>\n<p><b>10)<\/b> <span class=\"q\">Observability must-haves?<\/span> Tokens, latency, refusal rate, JSON validity, tool errors, citation coverage, cost\/query.<\/p>\n<p><b>11)<\/b> <span class=\"q\">Prompt injection defense?<\/span> Strip untrusted instructions; fixed system prompt; sanitize tool args; never auto-execute code\/URLs.<\/p>\n<p><b>12)<\/b> <span class=\"q\">When to fine-tune?<\/span> After prompt+RAG plateaus; for style\/format stability. Keep evals to detect drift.<\/p>\n<p><b>13)<\/b> <span class=\"q\">Multi-tenant isolation?<\/span> Separate keys, indices, prompts, quotas, and logs; data tagging and access control at every layer.<\/p>\n<p><b>14)<\/b> <span class=\"q\">Cost control?<\/span> Model routing, caching, context compression, output caps, batch background jobs.<\/p>\n<p><b>15)<\/b> <span class=\"q\">What\u2019s truncation?<\/span> Output cut off at token limit. Fix by shorter context\/higher cap; detect and retry.<\/p>\n<p><b>16)<\/b> <span class=\"q\">CI for prompts?<\/span> Golden tests, Monte Carlo variants, schema checks; fail on KPI regression.<\/p>\n<p><b>17)<\/b> <span class=\"q\">Data privacy?<\/span> Redact PII, hash IDs, private networking, retention policies, audit trails.<\/p>\n<p><b>18)<\/b> <span class=\"q\">Guardrail vs post-filter?<\/span> Guardrails prevent unsafe content; post-filters normalize\/format outputs. Use both.<\/p>\n<p><b>19)<\/b> <span class=\"q\">SQL copilot safety?<\/span> Allowlist functions\/tables, read-only, cap rows, show provenance, mask PII.<\/p>\n<p><b>20)<\/b> <span class=\"q\">Biggest gotcha?<\/span> Shipping without evals, guardrails, or observability. Start small, measure, iterate.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Claude Pocket Book \u2014 Uplatz 50 fully expanded cards \u2022 One-column \u201cebook\u201d layout \u2022 Real prompts &#038; responses \u2022 Interview Q&amp;A included Section 1 \u2014 Foundations 1) What is Claude? <span class=\"readmore\"><a href=\"https:\/\/uplatz.com\/blog\/claude-pocket-book\/\">Read More &#8230;<\/a><\/span><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2488,2462],"tags":[],"class_list":["post-4514","post","type-post","status-publish","format-standard","hentry","category-claude","category-pocket-book"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Claude Pocket Book | Uplatz Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uplatz.com\/blog\/claude-pocket-book\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Claude Pocket Book | Uplatz Blog\" \/>\n<meta property=\"og:description\" content=\"Claude Pocket Book \u2014 Uplatz 50 fully expanded cards \u2022 One-column \u201cebook\u201d layout \u2022 Real prompts &#038; responses \u2022 Interview Q&amp;A included Section 1 \u2014 Foundations 1) What is Claude? 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