MCP profile

Github DeanWard HAL

HAL (HTTP API Layer) - An MCP server that provides HTTP API capabilities to Large Language Models

Developer ToolsPackageJavaScript/TypeScriptOpen SourceExternal

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Last updated

March 16, 2026

Visibility

Public

ByRegistry

About This MCP Server

1. Environment Variables: Define secrets using the HAL_SECRET_ prefix:

2. Template Substitution: Reference secrets in your requests using {secrets.key} syntax:

3. Security: The AI never sees the actual secret values, only the template placeholders. Values are substituted at request time.

Capabilities

✅ OpenAPI 3.x and Swagger 2.x specifications✅ JSON and YAML format support✅ Path parameters (/users/{id})✅ Query parameters✅ Request body (JSON, form-encoded)✅ All HTTP methods (GET, POST, PUT, PATCH, DELETE, etc.)✅ Parameter validation (string, number, boolean, arrays)✅ Required/optional parameter handling✅ Custom headers support

What Problems It Solves

HAL is designed to work with MCP-compatible clients. Here are some examples:

Why Use Github DeanWard HAL?

HTTP GET/POST/PUT/PATCH/DELETE/OPTIONS/HEAD Requests: Fetch and send data to any HTTP endpoint
Secure Secret Management: Environment-based secrets with {secrets.key} substitution and automatic redaction
Swagger/OpenAPI Integration: Automatically generate tools from API specifications
Built-in Documentation: Self-documenting API reference
Secure: Runs in isolated environment with controlled access
Fast: Built with TypeScript and optimized for performance

Specifications

Status

live

Industry

Developer Tools

Requirements

Node.js 18 or later
npm or yarn

Hosting

Hosting Options

Package

API

Integrate this server into your application. Choose a connection method below.

Configure

Configuration

json

{
  "mcpServers": {
    "hal": {
      "command": "npx",
      "args": ["hal-mcp"],
      "env": {
        "HAL_SWAGGER_FILE": "/swagger/v1/swagger.json",
        "HAL_API_BASE_URL": "http://localhost:5065",
        "HAL_SECRET_API_KEY": "your-secret-api-key"
      }
    }
  }
}

Performance

Usage

Quick Reference

Name: Github DeanWard HAL
Function: HAL (HTTP API Layer) - An MCP server that provides HTTP API capabilities to Large Language Models
Transport: Package
Language: JavaScript/TypeScript
Source: External (Registry)
License: Open Source