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add-integration

Register MCP servers by adding YAML entries to config/mcp_servers.yaml.

34|5|Updated Jan 15, 2026
Search Tags:#integration#permissions#mcp#yaml#mcp-server#transport#prompt-filtering
One-click install
npx skills add https://github.com/ebongard/renfield --skill add-integration-ebongard
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: add-integration
Source: https://github.com/ebongard/renfield/tree/main/.claude/skills/add-integration
Command: npx skills add https://github.com/ebongard/renfield --skill add-integration-ebongard

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Provides a clear, no-code workflow to onboard external MCP servers into Renfield via declarative YAML so teams can expose new services and tools without touching application code or deployment artifacts.

Core Features & Use Cases

  • YAML-driven registration: Register MCP servers by adding entries to config/mcp_servers.yaml so tools auto-appear as mcp.<server>.<tool>.
  • Multiple transport support: Configure streamable_http, sse, or stdio transports for network or local subprocess servers.
  • Access control & notifications: Define server- and tool-level permissions, prompt_tools filtering, refresh intervals, and optional notification polling for proactive events.
  • Use Case: Onboard a calendar or home-automation MCP server to expose list_events and create_event tools with fine-grained permissions and background notification polling.

Quick Start

Add a new MCP server named calendar using streamable_http at http://localhost:9095/mcp with prompt_tools list_events and create_event and enable notifications with a 900 second poll interval.

Frequently Asked Questions about add-integration

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

FAQPage Schema
How do I add an MCP server to my application without writing code?▼

You can add MCP servers without code by defining them as YAML entries in config/mcp_servers.yaml. This declarative approach registers the server's tools automatically in the mcp.<name>.<tool> namespace.

Can I configure MCP servers using streamable_http, sse, and stdio transports?▼

Yes, MCP servers can be configured using streamable_http, sse, or stdio transports. This allows you to onboard both network services and local subprocess servers through your YAML configuration.

How do I control permissions and prompt filtering for MCP tools?▼

You control MCP tool permissions and prompt filtering by defining server-level and tool-level permission mappings alongside prompt_tools exposure directly within the YAML entry for each server.

Does MCP server configuration support background notification polling?▼

Yes, MCP server configuration supports background notification polling. You can enable proactive event polling by setting the optional notifications configuration and defining a refresh_interval in seconds.

What configuration fields are required to register a new MCP server?▼

Registering a new MCP server requires a name, transport type, and either a URL or command with arguments. Optional fields include prompt_tools, examples, permission mappings, refresh_interval, and notifications configuration.

How do I expose specific tools from an MCP server to prompts?▼

To expose specific MCP tools to prompts, you define the tool names in the optional prompt_tools list within the server's YAML entry. This filters which tools are available to the prompt system.

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