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    Home»AI News»Build a Hybrid-Memory Autonomous Agent with Modular Architecture and Tool Dispatch Using OpenAI
    Build a Hybrid-Memory Autonomous Agent with Modular Architecture and Tool Dispatch Using OpenAI
    AI News

    Build a Hybrid-Memory Autonomous Agent with Modular Architecture and Tool Dispatch Using OpenAI

    May 13, 20264 Mins Read
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    changelly

    rewrite this content and keep HTML tags as is. This is content from rss feed and I don’t need their *Daily Debrief Newsletter*, their tags from bottom like this *Share this articleCategoriesTags*, Editorial Process section, phrases like *Featured image from Peakpx, chart from Tradingview.com*, SPECIAL OFFERS and similar sections – just remove such sections and save only article itself:

    class MemoryStoreTool(Tool):
    name = “memory_store”
    description = “Save an important fact or piece of information to long-term memory.”

    def __init__(self, memory: MemoryBackend):
    self._mem = memory

    def run(self, text: str, category: str = “general”) -> str:
    chunk_id = self._mem.store(text, {“category”: category})
    return f”Stored as {chunk_id}.”

    def schema(self) -> Dict:
    return {
    “type”: “function”,
    “function”: {
    “name”: self.name,
    “description”: self.description,
    “parameters”: {
    “type”: “object”,
    “properties”: {
    “text”: {“type”: “string”, “description”: “The fact to remember.”},
    “category”: {“type”: “string”, “description”: “Category tag, e.g. ‘user_pref’, ‘task’, ‘fact’.”},
    },
    “required”: [“text”],
    },
    },
    }

    livechat

    class MemorySearchTool(Tool):
    name = “memory_search”
    description = “Search long-term memory for information relevant to a query.”

    def __init__(self, memory: MemoryBackend):
    self._mem = memory

    def run(self, query: str, top_k: int = 3) -> str:
    results = self._mem.search(query, top_k=top_k)
    if not results:
    return “No relevant memories found.”
    lines = [f”[{r[‘id’]}] (score={r[‘rrf_score’]}) {r[‘text’]}” for r in results]
    return “Relevant memories:\n” + “\n”.join(lines)

    def schema(self) -> Dict:
    return {
    “type”: “function”,
    “function”: {
    “name”: self.name,
    “description”: self.description,
    “parameters”: {
    “type”: “object”,
    “properties”: {
    “query”: {“type”: “string”, “description”: “What to look for.”},
    “top_k”: {“type”: “integer”, “description”: “Max results (default 3).”},
    },
    “required”: [“query”],
    },
    },
    }

    class CalculatorTool(Tool):
    name = “calculator”
    description = “Evaluate a safe mathematical expression, e.g. ‘2 ** 10 + sqrt(144)’.”

    def run(self, expression: str) -> str:
    allowed = {k: getattr(math, k) for k in dir(math) if not k.startswith(“_”)}
    allowed.update({“abs”: abs, “round”: round})
    try:
    result = eval(expression, {“__builtins__”: {}}, allowed)
    return str(result)
    except Exception as exc:
    return f”Error: {exc}”

    def schema(self) -> Dict:
    return {
    “type”: “function”,
    “function”: {
    “name”: self.name,
    “description”: self.description,
    “parameters”: {
    “type”: “object”,
    “properties”: {
    “expression”: {“type”: “string”, “description”: “Math expression to evaluate.”},
    },
    “required”: [“expression”],
    },
    },
    }

    class WebSnippetTool(Tool):
    name = “web_search”
    description = “Search the web for current information on a topic (simulated).”

    _KB = {
    “openai”: “OpenAI is an AI safety company that develops the GPT family of models.”,
    “rag”: “Retrieval-Augmented Generation (RAG) combines a retrieval system with an LLM to ground answers in external documents.”,
    “bm25”: “BM25 (Best Match 25) is a probabilistic keyword ranking function used in search engines.”,
    }

    def run(self, query: str) -> str:
    q = query.lower()
    for kw, snippet in self._KB.items():
    if kw in q:
    return f”Web snippet for ‘{query}’: {snippet}”
    return f”No snippet found for ‘{query}’. (Mock tool — integrate a real search API here.)”

    def schema(self) -> Dict:
    return {
    “type”: “function”,
    “function”: {
    “name”: self.name,
    “description”: self.description,
    “parameters”: {
    “type”: “object”,
    “properties”: {
    “query”: {“type”: “string”, “description”: “Search query.”},
    },
    “required”: [“query”],
    },
    },
    }

    @dataclass
    class AgentPersona:
    name: str
    role: str
    traits: List[str]
    forbidden_phrases: List[str] = field(default_factory=list)
    goals: List[str] = field(default_factory=list)

    def compile_system_prompt(self, extra_context: str = “”) -> str:
    lines = [
    f”You are {self.name}, {self.role}.”,
    “”,
    “## Core Traits”,
    *[f”- {t}” for t in self.traits],
    ]
    if self.goals:
    lines += [“”, “## Goals”, *[f”- {g}” for g in self.goals]]
    if self.forbidden_phrases:
    lines += [“”, “## Forbidden Phrases (never say these)”, *[f”- \”{p}\”” for p in self.forbidden_phrases]]
    if extra_context:
    lines += [“”, “## Live Context”, extra_context]
    lines += [
    “”,
    “## Behaviour”,
    “- Always reason step-by-step before answering.”,
    “- Use available tools proactively; never guess when you can look up.”,
    “- After using memory_search, quote the retrieved ID in your answer.”,
    “- Keep answers concise unless depth is explicitly requested.”,
    ]
    return “\n”.join(lines)

    ARIA = AgentPersona(
    name=”Aria”,
    role=”a precise, helpful research assistant with a hybrid memory system”,
    traits=[“Methodical”, “Curious”, “Transparent about uncertainty”, “Concise”],
    goals=[
    “Remember and connect information across conversations”,
    “Use tools whenever they can improve accuracy”,
    ],
    forbidden_phrases=[“I cannot”, “As an AI language model”],
    )

    print(“✅ Tools and AgentPersona ready.”)

    synthesia
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