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Practical guides and examples for using Claude effectivelyAll CookbooksTitleCategoriesAuthor(s)DateReproduce Claude's agentic search benchmark scores in the Messages APIJun 2026•EvalsToolsBuild a Messages API harness that reproduces published DeepSearchQA and BrowseComp scores, using programmatic tool calling, server-side compaction, and task budgets.EvalsToolsMengting LiJun 2026Classifier fallback and billing for Claude Fable 5Jun 2026•ResponsesSafeguardsBillingDetect safety classifier blocks on Fable 5 and fall back to Opus 4.8 with server-side or SDK-based client-side fallback, including streaming behavior and the new billing changes.ResponsesSafeguardsBillingAlexander BrickenMahesh MuragMikaela GraceJun 2026Async multi-agent orchestrationJun 2026•Agent PatternsTwo async multi-agent patterns — a fixed N-agent team with peer messaging through a shared hub, and dynamically spawned async subagents — reduced to their bare messaging and lifecycle mechanics.Agent PatternsPaul ChenJun 2026Hosting your agentMay 2026•Claude Agent SDKDeploy the research agent from notebook 00 through three tiers of operational maturity (Docker, Modal, Kubernetes) with the same container image and HTTP interface at every tier.Claude Agent SDKKevin TangAnav SharmaMay 2026Multiagent: coordinate a specialist teamMay 2026•Claude Managed AgentsToolsHeterogeneous team via the multiagent coordinator config — a coordinator runs three specialists (web-search researcher, file-reading librarian, rules-based pricer) with scoped toolsets to assemble a sales proposal. Covers the multiagent field, the thread_created / thread_message_received event types, and per-role tool scoping.Claude Managed AgentsToolsMark NowickiMay 2026Outcomes: agents that verify their own workMay 2026•Claude Managed AgentsEvalsBuild a grade-and-revise loop with Outcomes: a writer drafts a cited research brief, a stateless grader fetches every URL and checks every quote against a rubric, and feedback drives revisions until the brief passes. Covers user.define_outcome, the span.outcome_evaluation_* events, and how to write a rubric the grader can act on.
Claude Managed AgentsEvalsMark NowickiGagan BhatMay 2026Build agents that remember your usersApr 2026•Claude Managed AgentsToolsGive your Claude Managed Agents a Memory store so they learn and remember your users' preferences across multiple interactions.Claude Managed AgentsToolsGagan BhatApr 2026The vulnerability detection agentApr 2026•Claude Agent SDKCybersecurityBuild a vulnerability-discovery agent with the Claude Agent SDK that threat-models a C target, hunts memory-safety bugs with built-in file tools, and triages findings into a structured report.Claude Agent SDKCybersecurityEugene YanApr 2026Build an SRE incident response agent with Claude Managed AgentsApr 2026•Claude Managed AgentsObservabilityWire Claude into your on-call flow: when an alert fires, the agent reads logs and runbooks, pinpoints the root cause, opens a fix PR, and waits for your approval before merging.Claude Managed AgentsObservabilityGagan BhatApr 2026Build a data analyst agent with Claude Managed AgentsApr 2026•Claude Managed AgentsToolsBuild an analyst that turns a CSV into a narrative HTML report with interactive charts, using a sandboxed environment and file mounting.Claude Managed AgentsToolsCharmaine LeeJess YanApr 2026Build a Slack data analyst bot with Claude Managed AgentsApr 2026•Claude Managed AgentsIntegrationsMention the bot with a CSV to get an analysis report in-thread, with multi-turn follow-ups on the same session.Claude Managed AgentsIntegrationsCharmaine LeeApr 2026Managed Agents tutorial: iterate on a failing test suiteApr 2026•Claude Managed AgentsToolsEntry-point tutorial for the Claude Managed Agents API. Walks through agent / environment / session creation, file mounts, and the streaming event loop by getting an agent to fix three planted bugs in a calc.py package.
Claude Managed AgentsToolsPaul YangApr 2026Managed Agents tutorial: production setupApr 2026•Claude Managed AgentsIntegrationsEnd-to-end production story for Managed Agents — vault-backed MCP credentials, the session.status_idled webhook pattern for human-in-the-loop without long-lived connections, and the resource lifecycle CRUD verbs.Claude Managed AgentsIntegrationsPaul YangApr 2026Managed Agents tutorial: prompt versioning and rollbackApr 2026•Claude Managed AgentsEvalsServer-side prompt versioning — create v1, evaluate against a labelled test set, ship v2, detect a regression, roll back by pinning sessions to version 1. Covers agents.update, version pinning on sessions.create, and where the review gate moves when prompts are not code.Claude Managed AgentsEvalsMark NowickiApr 2026Threat intelligence enrichment agentApr 2026•ToolsAgent PatternsCybersecurityBuild an agent that autonomously investigates IOCs by querying multiple threat intel sources, cross-referencing findings, mapping to MITRE ATT&CK, and producing structured reports for SIEM and SOAR integration.ToolsAgent PatternsCybersecurityJannet ParkApr 2026Building a session browserMar 2026•Claude Agent SDKAgent PatternsList, read, rename, tag, and fork Agent SDK sessions on disk to build a conversation history sidebar without writing a transcript parser.Claude Agent SDKAgent PatternsQing WangMar 2026Knowledge graph construction with ClaudeMar 2026•RAG & RetrievalToolsBuild knowledge graphs from unstructured text using Claude for entity extraction, relation mining, deduplication, and multi-hop graph querying.RAG & RetrievalToolsAnthropicMar 2026Context engineering: memory, compaction, and tool clearingMar 2026•ToolsAgent PatternsCompare context engineering strategies for long-running agents and learn when each applies, what it costs, and how they compose.
ToolsAgent PatternsIsabella HeMar 2026Migrating from the OpenAI Agents SDKMar 2026•Claude Agent SDKAgent PatternsPort an OpenAI Agents SDK app to the Claude Agent SDK, mapping each primitive (tools, guardrails, sessions, handoffs) through a single expense-approval agent example.Claude Agent SDKAgent PatternsPreston TuggleMar 2026The site reliability agentFeb 2026•Claude Agent SDKAgent PatternsBuild an incident response agent with read-write MCP tools for autonomous diagnosis, remediation, and post-mortem documentation.Claude Agent SDKAgent PatternsBen LehrburgerIsabella HeFeb 2026Session memory compactionJan 2026•Agent PatternsResponsesManage long-running Claude conversations with instant session memory compaction using background threading and prompt caching.Agent PatternsResponsesJoe ShamonJan 2026Programmatic tool calling (PTC)Nov 2025•ToolsReduce latency and token consumption by letting Claude write code that calls tools programmatically in the code execution environment.ToolsPedram NavidNov 2025Tool search with embeddingsNov 2025•ToolsRAG & RetrievalScale Claude applications to thousands of tools using semantic embeddings for dynamic tool discovery.ToolsRAG & RetrievalHenry KeetayNov 2025Automatic context compactionNov 2025•ToolsAgent PatternsManage context limits in long-running agentic workflows by automatically compressing conversation history.ToolsAgent PatternsPedram NavidNov 2025Low latency voice assistant with ElevenLabsNov 2025•IntegrationsBuild a low-latency voice assistant using ElevenLabs for speech-to-text and text-to-speech combined with Claude.IntegrationsAdriaan EngelbrechtNov 2025Giving Claude a crop tool for better image analysisNov 2025•MultimodalToolsGive Claude a crop tool to zoom into image regions for detailed analysis of charts, documents, and diagrams.MultimodalToolsNadine YasserNov 2025Prompting for frontend aestheticsOct 2025•ResponsesSkillsGuide to prompting Claude for distinctive, polished frontend designs avoiding generic aesthetics.
ResponsesSkillsPrithvi RajasekaranOct 2025Claude Skills for financial applicationsOct 2025•SkillsBuild financial dashboards and portfolio analytics using Claude's Excel, PowerPoint, PDF skills.SkillsAlex NotovOct 2025Building custom Skills for ClaudeOct 2025•SkillsCreate, deploy, and manage custom skills extending Claude with specialized organizational workflows.SkillsAlex NotovOct 2025Introduction to Claude SkillsOct 2025•SkillsCreate documents, analyze data, automate workflows with Claude's Excel, PowerPoint, PDF skills.SkillsAlex NotovOct 2025The one-liner research agentSep 2025•Claude Agent SDKAgent PatternsBuild a research agent using Claude Code SDK with WebSearch for autonomous research.Claude Agent SDKAgent PatternsRodrigo OlivaresJiri De JongheSep 2025The chief of staff agentSep 2025•Claude Agent SDKAgent PatternsBuild multi-agent systems with subagents, hooks, output styles, and plan mode features.Claude Agent SDKAgent PatternsRodrigo OlivaresJiri De JongheSep 2025The observability agentSep 2025•Claude Agent SDKAgent PatternsConnect agents to external systems via MCP servers for GitHub monitoring and CI workflows.
Claude Agent SDKAgent PatternsRodrigo OlivaresJiri De JongheSep 2025Tool evaluationSep 2025•EvalsRun parallel agent evaluations on tools independently from evaluation task files.EvalsAnthropicSep 2025Usage & cost Admin API cookbookAug 2025•ObservabilityProgrammatically access and analyze your Claude API usage and cost data via Admin API.ObservabilityAnthropicAug 2025Memory & context management with Claude Sonnet 4.6May 2025•ToolsAgent PatternsBuild AI agents with persistent memory using Claude's memory tool and context editing.ToolsAgent PatternsAlex NotovMay 2025Speculative prompt cachingMay 2025•ResponsesReduce time-to-first-token by warming cache speculatively while users formulate their queries.ResponsesAnthropicMay 2025Parallel tool calls on Claude 3.7 SonnetMar 2025•ToolsEnable parallel tool calls on Claude 3.7 Sonnet using batch tool meta-pattern workaround.ToolsAnthropicMar 2025Extended thinkingFeb 2025•ThinkingUse Claude's extended thinking for transparent step-by-step reasoning with budget management.ThinkingAlex AlbertFeb 2025Extended thinking with tool useFeb 2025•ThinkingToolsCombine extended thinking with tools for transparent reasoning during multi-step workflows.ThinkingToolsAlex AlbertFeb 2025Basic workflowsDec 2024•Agent PatternsThree simple multi-LLM workflow patterns trading cost or latency for improved performance.Agent PatternsAnthropicDec 2024Evaluator optimizerDec 2024•Agent PatternsEvalsWorkflow pattern using one LLM for generation and another for evaluation feedback loop.Agent PatternsEvalsAnthropicDec 2024Orchestrator workersDec 2024•Agent PatternsCentral LLM dynamically delegates tasks to worker LLMs and synthesizes their combined results.Agent PatternsAnthropicDec 2024Batch processing with Message Batches APIOct 2024•ResponsesProcess large volumes of Claude requests asynchronously with 50% cost reduction using batches.