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Agentic AI & n8n

Full Roadmap120 TopicsInterview Prep35+ Q&AsProjects & Labs16 CapstonesCheatsheetFastMCP
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All production FastMCP server schemas, LangGraph state reducers, n8n custom code nodes, and tool definitions unlock once your enrollment is verified.

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Showing 24 of 24 syntax snippets

Scratch ReAct Loop & Python Tool Decorators4

Raw Python ReAct Execution Loop

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Zero-dependency pure Python ReAct cycle handling multi-tool execution and observation dispatch.

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reactscratchloopfunction-calling

Python Function to OpenAPI Tool Schema Decorator

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Lightweight tool decorator auto-generating OpenAPI JSON Schemas using Python inspect introspection.

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decoratortoolsschema-generatorpython

Semantic Cycle Detection & Hash Gate

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Intercepts repeating tool call signatures and prevents runaway token billing.

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cycle-detectioninfinite-loopsafetyguardrails

Sliding Window Scratchpad Context Pruner

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Truncates historical raw tool payloads while preserving the last 4 active reasoning steps.

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context-pruningtoken-economicsoptimization

Strict JSON Schema, Pydantic & Instructor Schemas4

Pydantic v2 Tool Argument Model with Regex Validation

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Strict Pydantic v2 schema enforcing character bounds, regex matching, and numeric ceilings.

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pydanticvalidationschemastool-contracts

Instructor Client for Guaranteed Typed Extraction

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Uses Instructor library to guarantee strict Pydantic class return with automated retries.

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instructorpydanticstructured-outputsextraction

Zod Schema Definition for TypeScript Agents

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Zod validation schema providing runtime parsing and TypeScript compile-time typing.

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zodtypescriptruntime-validationschemas

Self-Healing Tool Argument Validator with Feedback Injection

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Catches Pydantic schema validation failures and formats exact error feedback to prompt self-correction.

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self-healingerror-recoverypydantictools

FastMCP Server & Tool Definitions4

FastMCP Python Tool Registration

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Standard FastMCP server with typed parameters and docstrings converted to JSON Schema.

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mcpfastmcptoolspython

FastMCP Dynamic Resource Exposure

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Exposes static or dynamic resources that AI models can read on-demand.

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mcpresourcesdatabase

FastMCP Server-Sent Events (SSE) Cloud Server

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Remote FastMCP server listening on HTTP SSE transport for cloud deployment.

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fastmcpsseclouddocker

TypeScript MCP Server with Official SDK

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Native TypeScript MCP server implementation using the official @modelcontextprotocol/sdk.

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mcptypescriptsdkstdio

Claude Computer Use & Coordinate Math4

Coordinate Scaling Math for High-DPI Displays

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Calculates precise native pixel click targets from normalized model coordinate inputs.

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computer-usecoordinatesscalingdpi

PyAutoGUI Click Execution with Verification Delay

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Smooth mouse movement interpolation and click execution with post-action settling delay.

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pyautoguimouseactionsautomation

Screenshot Normalization Pipeline

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Resizes native screenshots with Lanczos interpolation and outputs base64 JPEG strings.

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pillowimage-processingcompressionbase64

Claude Computer Use Tool Definition Block

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Standard Anthropic beta tool dictionary for enabling native computer use actions.

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claudecomputer-useanthropic-sdktools

LangGraph StateGraph, Reducers & Conditional Edges4

StateGraph with Checkpointing & Conditional Routing

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Deterministic cyclic graph with state reducer and memory checkpointer.

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langgraphstategraphconditional-edgescheckpoint

LangGraph Interrupt Before Human Signoff Gate

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Pauses graph execution before high-risk nodes and resumes with identical thread_id.

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langgraphhitlinterruptapprovals

Custom State Reducer for Deduplication

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Custom state reducer function preventing duplicate entries during parallel node execution.

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langgraphreducersstate-managementpython

Time-Travel State Inspection and Rewind

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Inspects full checkpoint history and rewinds execution state to any prior graph super-step.

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langgraphtime-traveldebuggingcheckpointer

CrewAI Swarms & Hierarchical Squad Orchestration4

CrewAI Hierarchical Squad with Supervisor Manager

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Assembles CrewAI squad with automated hierarchical manager delegating and reviewing tasks.

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crewaihierarchicalsupervisormulti-agent

Task Output Pydantic Validation in CrewAI

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Enforces strict Pydantic output model validation on CrewAI task completion.

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crewaipydanticstructured-outputvalidation

AutoGen Conversational Two-Agent Debate

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Sets up AutoGen two-agent dialectical debate loop with bounded maximum turns.

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autogendebateconsensuspeer-to-peer

Docker Ephemeral Sandboxing Wrapper for Agent Code

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Air-gapped disposable Docker container execution wrapper protecting host from untrusted agent scripts.

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dockersandboxsecurityisolation
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