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"text": "The answer I gave you earlier was actually about a *different* “MCP” and not the one that’s currently relevant in the AI/LLM space. Let me correct that and give you a more accurate and expanded overview of the **Model Context Protocol (MCP)** as it’s used with modern AI assistants and tools (e.g., Anthropic’s ecosystem).\n\nBelow is about the **Model Context Protocol for LLMs/tools**, not CAD/3D.\n\n---\n\n## 1. What MCP is (in the LLM/tools world)\n\n**Model Context Protocol (MCP)** is a protocol for connecting language models to external tools, data sources, and services in a standardized, extensible way.\n\nYou can think of it as:\n\n- A **standard “adapter” layer** between an AI model and:\n - APIs\n - databases\n - internal business systems\n - file systems\n - knowledge bases\n - etc.\n- It lets the model *discover*, *call*, and *reason about* tools and data uniformly, instead of having a custom integration for each service.\n\nThe aim is to move from ad‑hoc, per-app integrations to a **common protocol** any MCP-compatible server and any MCP-compatible client (LLM app) can use.\n\n---\n\n## 2. Key ideas\n\n### 2.1. Client–Server model\n\nMCP is structured around:\n\n- **MCP client**: \n The environment where the model “lives” or is orchestrated. \n Examples:\n - An AI IDE plugin\n - A chat UI that talks to an LLM\n - A workflow/orchestration system that uses a model\n\n- **MCP server**: \n A process that exposes tools and/or data according to the MCP spec. \n Examples:\n - A server that exposes your company’s internal APIs\n - A wrapper around a DB (Postgres, Elasticsearch, etc.)\n - A connector to third-party APIs (GitHub, Jira, Slack, etc.)\n\nThe LLM speaks through the **client**, which then speaks MCP to one or multiple **servers**.\n\n---\n\n### 2.2. What an MCP server can provide\n\nAn MCP server can expose three main kinds of capabilities (roughly):\n\n1. **Tools (“functions”)** \n - These are callable actions (similar to function-calling / tool calls in OpenAI, Anthropic, etc.).\n - Each tool has:\n - a **name**\n - a **description** (for the model to decide when to use it)\n - a **JSON schema** for its parameters\n - Example tool definitions:\n - `create_issue(project, title, description)`\n - `run_sql(query)`\n - `get_weather(location)`\n\n2. **Resources (data sources)** \n - Structured, readable content the model can fetch.\n - Often organized as *URIs* or *paths* (e.g., `resource://docs/guide.md`).\n - Can represent:\n - documents\n - configuration\n - database queries\n - knowledge base entries\n\n3. **Prompts / Templates (optional)** \n - Pre-defined prompt templates or patterns that the server can provide.\n - Helps standardize complex, repeated interactions (e.g., a specific “incident analysis” prompt format).\n\nThe model, via the client, can **list** what’s available, **inspect** it, and **call** it.\n\n---\n\n## 3. Why MCP matters\n\n### 3.1. For developers/integrators\n\nMCP aims to solve several problems:\n\n- **Avoid bespoke glue for each LLM vendor** \n Instead of:\n - Writing custom code for Anthropic,\n - Another for OpenAI,\n - Another for your internal assistant,\n \n you write one MCP server that exposes your tools. Any MCP-compatible client can use it.\n\n- **Strong typing + schema-based tools** \n Everything is described via JSON schemas:\n - Encourage correctness\n - Easier validation\n - Better tool-selection by the model\n - Less brittle than purely natural language conventions\n\n- **Secure, explicit capabilities** \n The server defines *exactly* what the model can do:\n - No implicit “full network access”\n - Clear permission boundaries and logging\n - You can gate or sandbox access to sensitive operations\n\n### 3.2. For users\n\nEnd users typically see:\n\n- The AI assistant can:\n - Query internal data\n - Operate on files\n - Create tickets\n - Run pipelines\n - Interact with external services\n- Without the user needing to know the technical details of how those integrations work: MCP handles that wiring behind the scenes.\n\n---\n\n## 4. High-level workflow\n\nHere’s the conceptual flow in an MCP setup:\n\n1. **Client starts** and connects to one or more MCP servers.\n2. The client **requests capabilities**:\n - “List your tools”\n - “List your resources”\n3. The model is given:\n - A description of each tool/resource:\n - names\n - descriptions\n - parameters\n4. During a conversation/task, the model decides:\n - “I should call `search_documents` with `query='Model Context Protocol'`”\n5. The client:\n - Serializes that tool call according to MCP\n - Sends it to the MCP server\n - Gets the result back\n6. The result then becomes new context for the model, which can:\n - Respond with an answer\n - Or call more tools\n\nAll of this happens in a uniform, protocol-defined way.\n\n---\n\n## 5. How it compares to other approaches\n\n### 5.1. Versus direct function calling (per-vendor)\n\nMost LLM vendors now support “function calling” / “tool use.” \nProblem: each vendor has:\n\n- its own JSON formats\n- its own conventions\n- sometimes its own transport mechanisms\n\nMCP sits **outside** that and says:\n\n- “Here is a *standard way* to expose tools & data to any LLM client that understands MCP.”\n- The client then maps the model’s vendor-specific function-calling to MCP’s standardized server API.\n\n### 5.2. Versus ad-hoc plugins\n\nTraditional plugin systems (for a single app) are:\n\n- tightly coupled to that app’s UI and lifecycle\n- not easily portable between environments\n\nMCP is:\n\n- a **general protocol** not tied to a specific product UI\n- aimed at being reusable across:\n - editors\n - chat apps\n - automation systems\n - internal assistants\n\n---\n\n## 6. Typical use cases\n\nSome common patterns where MCP is useful:\n\n1. **Internal “AI assistant” for a company**\n - MCP servers:\n - HR data\n - CRM/ERP\n - Ticketing (Jira, ServiceNow)\n - Knowledge base (Confluence, Notion, wikis)\n - One AI client (chat/web/Slack bot) uses them all.\n\n2. **Developer tools**\n - MCP server for:\n - Git operations\n - CI/CD (GitHub Actions, GitLab)\n - Issue tracking\n - IDE plugin as the MCP client:\n - The AI can open files, read diffs, create PRs, link to issues.\n\n3. **Data/analytics assistant**\n - MCP server for:\n - SQL databases\n - Warehouse (Snowflake, BigQuery)\n - BI tool API\n - AI can:\n - Inspect schema\n - Run parameterized queries\n - Summarize results\n\n---\n\n## 7. Technical characteristics (at a glance)\n\nWhile exact details depend on the spec version and implementation, MCP generally features:\n\n- **JSON-based messages**\n- **Schema-defined tools** (JSON Schema)\n- A **request–response** pattern:\n - `list_tools`\n - `call_tool`\n - `list_resources`\n - `read_resource`\n - etc.\n- Designed to be:\n - **Language-agnostic** (servers in any language)\n - **Transport-agnostic** (often over stdio, sockets, or similar, depending on environment)\n\nThis makes it resemble protocols like the Language Server Protocol (LSP), but for **model-context and tools**, not autocomplete/diagnostics.\n\n---\n\n## 8. Practical implications\n\n- If you’re building an AI application and want **modular, reusable integrations**, MCP is appealing:\n - You implement a server once.\n - Use it in multiple AI clients and model providers.\n\n- If you’re operating in a security-sensitive environment:\n - You can audit exactly what the MCP server allows the model to do.\n - You control which tools are exposed, with what parameters and constraints.\n\n---\n\nIf you tell me your context—e.g., “I’m building an internal AI assistant for X” or “I want to expose our APIs to an LLM safely”—I can walk through how MCP would fit that specific scenario and what components you’d actually need to implement.",
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"created_at": "2025-12-27T07:57:30",
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"text": "can you please expand upon this answer",
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