Agentic AI Cheat Sheet: A Guide to AI Agents, Tools, and Risks | eWeek

Agentic AI Cheat Sheet: A Guide to AI Agents, Tools, and Risks

Agentic AI performing multiple tasks.

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Jun 25, 2026
11 minute read
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For the better part of this decade, the dominant interaction paradigm with artificial intelligence has been reactive. We asked; it answered. We prompted; it generated. 

However, the emergence of Agentic AI marks an inflection point, a structural migration from Large Language Models (LLMs) as mere reasoning engines to LLMs as execution kernels. This transition is not an incremental software update; it is a redefinition of the machine's role in the digital ecosystem, moving it from a consultant to an autonomous delegate.

While a single, universally agreed-upon definition remains elusive, a consensus is forming around the core concept. At its core, Agentic AI refers to artificial intelligence systems capable of pursuing complex goals autonomously. These systems don't just wait for a prompt; they can anticipate, initiate, and act to achieve an objective.

The key to this autonomy is a system's ability to reason, plan, and adapt. Unlike traditional AI, which is constrained by predefined rules and a reactive nature, Agentic AI can break down a complex goal into a multi-step plan, execute those steps, and learn from the outcomes. It can interact with its environment, use external tools, and modify its approach in response to new information. 

This represents a shift from AI that helps with "thinking" to AI that helps with "doing."

Agentic AI vs AI agent vs generative AI vs workflow/automation

Not every AI system is an agent; the terms are often used interchangeably, but they describe different levels of capability, autonomy, and decision-making.

  • Generative AI: Produces an output (text, image, code) in response to a prompt. No persistent goal, no loop.
  • AI agent: One component, a model plus tools/memory, that can act toward a goal.
  • Agentic AI: The broader system/approach, often coordinating multiple AI agents toward a larger objective. 
  • Workflow/automation: A predefined code path that happens to call an LLM. 
CapabilityChatbotAI assistantWorkflow automationAI agentAgentic AI
InteractionQ&A, reactiveHelps users complete tasksExecutes predefined stepsPlans, decides, uses toolsBroad category of action-taking systems
PlanningNoLimitedFixed rulesBreaks goals into stepsCoordinates multiple agents
Tool useNoSome integrationsPredefinedSelects and uses toolsSystem-wide orchestration
MemorySession onlySession + contextNoneShort + long-termPersistent across agents
AutonomyNoneLowNoneModerate to highVariable by design

Core terminology and vocabulary

TermDefinition
AgentAn autonomous AI system that perceives its environment, makes decisions, and takes actions to achieve specific goals.
Agentic AIAI systems designed to act autonomously on behalf of users, making decisions and taking actions without constant human intervention.
AutonomyThe degree to which an agent can act independently without human approval.
PlanningThe process of breaking a goal into smaller steps or decisions.
ReasoningThe agent's ability to process information, draw conclusions, and make logical decisions.
Tool use/tool callingAn agent's ability to interact with APIs, databases, applications, or external systems.
Function callingA structured way for AI models to trigger tools or software actions.
MemoryStored context that helps an agent maintain continuity across interactions.
OrchestrationThe coordination layer that manages workflows, tools, models, and agents working together.
Human-in-the-Loop (HITL)A governance pattern where humans review, approve, or intervene before actions are completed.
GuardrailsPolicies, permissions, and controls that limit what an agent can access or do.
Multi-Agent System (MAS)A collection of multiple AI agents that work together, communicate, and coordinate to solve complex problems.
Context windowThe amount of text (in tokens) that an AI model can process and remember in a single interaction.
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How agentic AI works: The three-component model

At a high level, Agentic AI has three main components.

  • The agent itself: Powered by an LLM or other AI engine that provides reasoning and decision-making capabilities.
  • Tools and connectors: Allow the agent to access data, software, or the outside world—including APIs, databases, web search, code execution, and file system operations.
  • Protocols and frameworks: Guide how agents interact, collaborate, and stay within human-defined boundaries.

In practice, an agentic AI system doesn't just generate an answer; it can take actions such as scheduling meetings, researching information, managing workflows, optimizing processes, or collaborating with other agents in a network.

Architectural components

According to IBM's guide, an agentic AI system comprises:

  • Agent orchestration component: Manages and coordinates the actions of a set of agents.
  • Input component: One or more sources of input that trigger the agent to take action.

More detailed architectures include:

  • Agent(s) with access to models, tools, and memory to complete tasks.
  • Orchestration to coordinate multiple agents.
  • Guardrails to keep agent actions bounded and safe.

A unified academic taxonomy decomposes LLM-based agents into six modular dimensions.

  • Core Components: Perception, memory, action, profiling
  • Cognitive Architecture: Planning, reflection
  • Learning
  • Multi-Agent Systems
  • Environments
  • Evaluation
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Core capabilities of AI agents

Reasoning and planning

Agents use chain-of-thought reasoning to break complex tasks into manageable steps. Modern agents use techniques like:

  • ReAct (Reason + Act): Think > Act > Observe > Repeat
  • Plan-and-execute: Create a full plan, then execute the steps.
  • Tree of thought: Navigate complex problem spaces.

Memory systems

Memory typeDescription
Short-term memoryConversation history within a session
Working memoryScratchpad for intermediate results
Long-term memoryVector database for persistent knowledge
Episodic memoryRecords of past task executions for learning

Tool use

Agents can call external tools, including web search, code execution, database queries, API calls, and file system operations. The model decides which tool to use based on the task.

Multi-agent collaboration

Complex tasks are divided among specialized agents. For instance, a researcher gathers information, a coder writes code, and a reviewer checks quality. A supervisor agent orchestrates the team.

Agent design patterns

PatternHow it worksBest for
ReActThink > Act > Observe > RepeatGeneral-purpose agents
Plan and executeCreate full plan, then execute stepsStructured workflows
ReflectionAgent reviews and improves own outputQuality-critical tasks
SupervisorManager agent delegates to workersComplex multi-agent
SwarmPeer agents with handoff protocolsFlexible routing
Human-in-the-LoopAgent pauses for human approvalHigh-stakes decisions
Evaluator-optimizerOne agent evaluates, another optimizesIterative improvement
Prompt-chainingSequential prompts building on each otherMulti-step transformations
ParallelizationMultiple agents work simultaneouslySpeed-critical tasks
RoutingRoute tasks to specialized agentsClassification/dispatch
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The protocol layer: How agents talk to tools and to each other

Two open protocols now underpin most production multi-agent stacks, and they solve different problems:

Model Context Protocol (MCP) — Anthropic, November 2024

  • An open standard for how an AI system connects to external tools and data sources (databases, file systems, Slack, GitHub, etc.) — described by Anthropic as a "USB-C port for AI applications."
  • Solves the "N×M" integration problem: before MCP, every model needed a custom connector for each tool.
  • Built on JSON-RPC 2.0; reuses ideas from the Language Server Protocol.
  • Adopted by OpenAI (March 2025) and Google DeepMind shortly after launch.
  • December 2025: Anthropic donated MCP to the Agentic AI Foundation (AAIF), a Linux Foundation-directed fund co-founded by Anthropic, Block, and OpenAI.
  • A November 2025 Anthropic engineering post shows that letting agents write code that calls MCP tools (rather than injecting every tool definition into context) can cut token overhead by up to ~98.7% on tool-heavy tasks.

Agent2Agent Protocol (A2A) — Google, April 2025

  • An open standard for how one agent discovers and delegates work to another agent, across vendor boundaries, the "horizontal" protocol, complementary to MCP's "vertical" tool-access role.
  • Uses HTTP + Server-Sent Events + JSON-RPC 2.0; agents publish an Agent Card describing what they can do and how to be called.
  • Launched with 50+ technology partners (Salesforce, MongoDB, LangChain, Accenture); reported to have grown past 150 partner organizations by April 2026.
  • Google explicitly frames A2A as complementary to, not competing with, MCP.

Mental model: A2A routes the task to the right agent; MCP gives that agent the tools/data it needs to actually do the work.

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Frameworks and SDKs: What to actually build with

There is no single "best" framework. The right choice depends on whether you need fast prototyping, deterministic production control, or tight integration with one model vendor. The field consolidated heavily through 2025–2026.

FrameworkMakerOrchestration modelBest forNotable trade-off
LangGraphLangGraphDirected graph, conditional edges, built-in checkpointingProduction, regulated industries needing audit trails and human-in-the-loop pausesSteeper learning curve; more boilerplate to first working agent
CrewAICrewAIRole-based "crews" (researcher/writer/reviewer-style personas)Fastest path to a working multi-agent prototypeWeaker built-in checkpointing/observability historically; community reports of friction with non-OpenAI model integrations
OpenAI Agents SDKOpenAI Explicit "handoffs" between agentsClean, opinionated single-vendor builds with native MCP, sandboxed toolsOriginally OpenAI-model-locked, though the SDK works with 100+ models via compatible endpoints
Microsoft Agent FrameworkMicrosoftGraph-based workflows; unifies former AutoGen + Semantic Kernel.NET/Azure-native enterprises wanting one supported SDKAutoGen itself is now in maintenance mode, superseded by this framework (reached v1.0 GA)
Google ADK (Agent Development Kit)Google Hierarchical agent tree; native A2A supportMultimodal agents, GCP/Vertex-native deploymentsOptimized for Gemini, though it supports other models
Claude Agent SDKAnthropicTool-use chains with spawnable sub-agents (the same architecture behind Claude Code)Safety-first, MCP-native builds; agents needing extended/long reasoningClaude-models-only
SmolagentsHugging FaceMinimal single-agent loopFastest way to a single-agent system without heavy orchestrationNot designed for complex multi-agent coordination
Semantic KernelMicrosoftPlugin/skill-based.NET/enterprise teams (now folding into Microsoft Agent Framework)Being subsumed by the unified framework above
LlamaIndex (Workflows)LlamaIndexEvent-driven, RAG-firstDocument-heavy/data-intensive pipelinesLess general-purpose than LangGraph for arbitrary agent logic
HaystackdeepsetPipeline architectureRAG-centric retrieval pipelinesNarrower scope than full agent frameworks
DifyDifyVisual, drag-and-dropNon-engineers/fastest visual prototypingLess code-level control

How agents are benchmarked

No single benchmark captures "how good an agent is." The field uses a cluster of task-specific suites:

BenchmarkTestsScale
SWE-bench/SWE-bench VerifiedResolving real GitHub issues with a working patch2,294 problems (500 in the human-verified subset)
GAIAGeneral-assistant tasks requiring web browsing, file parsing, multi-step reasoning466 real-world questions
WebArenaAutonomous web navigation across e-commerce, forums, dev tools, CMS812 long-horizon tasks; human baseline ≈78%
AgentBenchCross-domain agent reasoning (OS, DB, knowledge graphs, games, web)8 environments, 29 LLMs evaluated originally
τ-bench/τ²-benchTool-agent-user interaction under real policy constraints (customer service)Retail and airline domains
OSWorldReal desktop computer control across OS environmentsFunctional, VM-based tasks
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Security and risk: The OWASP top 10 for agentic applications (2026)

Released December 2025 by the OWASP GenAI Security Project, developed with input from more than 100 security researchers and reviewed by representatives from NIST, the Alan Turing Institute, and Microsoft's AI Red Team, among others. It extends (rather than replaces) the existing OWASP Top 10 for LLM Applications, because autonomy, tool integration, and persistent state introduce genuinely new failure classes.

IDRisksWhat it is
ASI01Agent Goal HijackAn attacker redirects the agent's objective via poisoned input (email, document, web content, calendar invite) — agents can't reliably separate instructions from data
ASI02Tool Misuse and ExploitationThe agent invokes a legitimate tool in an unauthorized way/sequence, causing harmful side effects
ASI03Identity and Privilege AbuseThe agent's identity/permissions are misused or escalated
ASI04Agentic Supply Chain VulnerabilitiesRisk from third-party tools, MCP servers, frameworks, and registries the agent depends on at runtime
ASI05Unexpected Code Execution (RCE)The agent's code-execution sandbox boundary fails
ASI06Memory and Context PoisoningPersistent memory or retrieved context is manipulated to mislead future steps
ASI07Insecure Inter-Agent CommunicationMessages between agents are spoofed, replayed, or unauthenticated
ASI08Cascading FailuresOne agent's error/compromise propagates across a multi-agent system
ASI09Human-Agent Trust ExploitationHumans are deceived by, or over-trust, agent outputs into taking harmful action
ASI10Rogue AgentsAn agent operates outside its intended policy — by drift, design failure, or compromise

Core mitigation technique

  • Treat all natural-language input, including RAG documents and tool outputs, as untrusted.
  • Apply least-privilege ("least agency") to what an agent is allowed to do autonomously, not just what it can access.
  • Give agents their own scoped, short-lived identity rather than letting them borrow a user's session.
  • Put irreversible or high-stakes actions behind human approval gates.
  • Red-team specifically for prompt injection, tool misuse, and privilege escalation in agent workflows, not just single-turn jailbreaks.

Where to find agentic AI

Agentic AI appears in two main places:

  • Specialized vendors: Platforms built specifically for agent building, orchestration, multi-agent collaboration, and goal-directed workflows, including startups focused on enterprise automation, research assistants, developer agents, and vertical solutions in healthcare, finance, and customer service.
  • Mainstream software platforms: Productivity suites, CRM systems, marketing platforms, and IT management software are adding agents that can plan, prioritize, and execute specific tasks, often labeled as copilots, assistants, or workflows.
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Real products and use cases (What's actually shipping)

CategoryExamplesNotes
Agentic codingClaude Code, GitHub Copilot agent mode, OpenAI Codex, Cursor, Windsurf, Devin (Cognition)The most mature agentic category by consensus; measured heavily via SWE-bench
Computer-use/GUI agentsClaude Computer Use (Anthropic), Operator/CUA (OpenAI), Gemini Computer Use (Google, evolved from Project Mariner)Each takes screenshots and issues mouse/keyboard actions; benchmarked on OSWorld and WebArena.
Enterprise CRM/workflow agentsSalesforce Agentforce (formerly Einstein Copilot), IBM watsonx, Microsoft Copilot StudioGeared toward governed, auditable enterprise deployment
Customer-support agentsModeled and benchmarked via Sierra's τ-bench domains (retail, airline, telecom)Sierra explicitly built τ-bench from production experience with live customer-facing agents

Managing agentic AI

Best practices for managing agentic AI deployment:

  • Start small: Give an agent a clear, limited goal and observe performance.
  • Understand strengths and weaknesses before expanding the scope.
  • Maintain human oversight through rules, checkpoints, and governance.
  • Ensure high-quality data; the biggest deployment risk is poor, stale, or unstructured data feeding the agents.
  • Implement observability and safety controls.

A practical decision checklist

  • Could a single well-engineered LLM call (with retrieval/examples) solve this? If yes, stop there, don't build an agent.
  • Is the task's structure well-defined and repeatable? Use a workflow (chaining, routing, parallelization), not an autonomous agent. You get predictability and lower cost.
  • Does the task need open-ended flexibility, multi-step judgment, or recovery from unexpected states? An autonomous agent is justified, but budget for the latency/cost trade-off.
  • Do you have a clear, automatable evaluation signal? If yes, an evaluator-optimizer loop or Reflection pattern adds real value; if no, that loop can become circular and unreliable.
  • Is this high-stakes or irreversible (payments, deletions, external communications)? Insert a human-approval checkpoint regardless of how capable the agent benchmarks.
  • Are you coordinating more than one agent? Make sure writes stay single-threaded, or context is fully shared; don't assume parallel sub-agents will reach compatible conclusions without it.
  • Before shipping, run your own evals on your own workload. Public benchmark leaderboards are filters for "worth testing," not predictors of your production performance.
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Parting words

Agentic AI marks a pivotal moment in the evolution of technology. It represents a shift from AI systems that are tools to be consulted to AI systems that are partners capable of taking initiative. While the path forward is marked by significant hype, complex challenges, and a necessary market correction, the underlying potential is undeniable. 

Agentic AI is not just another trend; it is the next logical step in the journey to create machines that can truly collaborate with us to solve complex, real-world problems. The organizations that successfully navigate the complexities of governance, security, and data readiness will be best positioned to unlock their transformative power.

Also read: AI agents are moving from simple assistants to systems that can plan, use tools, and act across workflows; our AI agents cheat sheet explains the core terms, risks, and business use cases.

Aminu Abdullahi

Aminu Abdullahi is an experienced B2B technology and finance writer and award-winning public speaker. He is the co-author of the e-book, The Ultimate Creativity Playbook, and has written for various publications, including TechRepublic, eWEEK, Enterprise Networking Planet, eSecurity Planet, CIO Insight, Enterprise Storage Forum, IT Business Edge, Webopedia, Software Pundit, Geekflare and more.

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