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native-mcp

Connect Zeus Agent to external MCP servers and register their tools.

Updated May 5, 2026
Search Tags:#tool integration#mcp#tool discovery#sampling#http transport#stdio transport#async connections
One-click install
npx skills add https://github.com/Z43L/zeus-agent --skill native-mcp-z43l
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: native-mcp
Source: https://github.com/Z43L/zeus-agent/tree/main/skills/mcp/native-mcp
Command: npx skills add https://github.com/Z43L/zeus-agent --skill native-mcp-z43l

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires mcp.

What problem does it solve?

It eliminates the manual work of bridging external MCP servers into Zeus Agent by automatically connecting, discovering, and registering MCP-provided tools for direct use in every conversation.

Core Features & Use Cases

  • Automatic MCP server discovery at startup: Reads your configured MCP servers and loads their available tools into the agent’s tool registry.
  • First-class tool availability with naming: Exposes tools with the mcp_{server_name}_{tool_name} prefix (sanitizing names for compatibility).
  • Works with both stdio and HTTP/StreamableHTTP transports: Runs local stdio-based servers (via npx/uvx) and connects to remote HTTP-based MCP servers.
  • Tool-call robustness and safety: Uses persistent background connections, retries with exponential backoff, filters stdio subprocess environment variables, and redacts credential-like strings in errors.
  • Optional sampling support: Enables MCP server-initiated LLM “sampling” requests through configurable per-server settings, including tool-round limits to prevent infinite loops.

Quick Start

Configure your MCP servers under the mcp_servers key in ~/.hermes/config.yaml, then restart Zeus Agent so it discovers tools and registers them as mcp_{server_name}_{tool_name}.

Frequently Asked Questions about native-mcp

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I connect external MCP servers to my agent for tool discovery?▼

To connect external MCP servers, you configure them under the `mcp_servers` key in `~/.hermes/config.yaml`, and the agent automatically performs startup tool discovery, registering their tools for direct conversation use.

Can I use both stdio subprocesses and HTTP endpoints for MCP server integration?▼

MCP server integration supports both local stdio-based subprocesses launched via npx/uvx and remote HTTP/StreamableHTTP endpoints, handling persistent async connections and retries automatically across both transport types.

How does MCP tool naming work when registered inside the agent?▼

Discovered MCP tools are registered using an `mcp_{server_name}_{tool_name}` naming convention, sanitizing the original tool names for compatibility so you can call them directly within your agent conversations.

Does MCP sampling support allow servers to initiate LLM requests safely?▼

MCP sampling allows servers to initiate LLM sampling requests through configurable per-server settings, applying tool-round limits to prevent infinite loops while maintaining controlled message flows.

How are credentials protected when stdio subprocess errors occur during MCP connections?▼

Credential safety during stdio subprocess errors is handled by filtering environment variables and redacting credential-like strings in error messages, ensuring sensitive data is not exposed in connection failures.

What is the best way to integrate filesystem and database capabilities via MCP?▼

Integrating filesystem, GitHub, database, and API capabilities via MCP requires configuring the respective servers in your config file, letting the agent connect and register their tools automatically for immediate use.

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