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Custom Endpoints in MCP

Custom endpoints created through the Custom Endpoint Builder are automatically available in the MCP Server — no server changes required.
The Anysite MCP Server dynamically loads all endpoints from the OpenAPI specification at startup. This means any custom endpoint you create through the Custom Endpoint Builder instantly becomes available to all your AI agents.

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How It Works

1

Create a custom endpoint

Use the Custom Endpoint Builder to define your parser — specify the target URL, data extraction rules, and output schema.
2

Endpoint appears in MCP

The MCP Server dynamically loads it from the OpenAPI specification. No server restart or configuration changes needed.
3

Discover and use

Your AI agent can find the new endpoint via discover() and call it via execute():
discover("your_source", "your_category")
  → Shows your custom endpoint with parameters

execute("your_source", "your_category", "your_endpoint", {params})
  → Fetches data using your custom parser

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Features

Zero Deployment

Custom endpoints appear instantly in MCP — no code, no deployment, no server updates.

Full MCP Support

Same caching, pagination (get_page), analysis (query_cache), and export (export_data) as built-in endpoints.

All Clients

Works with Claude Desktop, Claude Code, Cursor, n8n, and any MCP-compatible client.

Unlimited Plan Compatible

Custom endpoints are included in the MCP Unlimited Plan — no additional costs.

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Example

Suppose you’ve built a custom parser for a job board: 
1. discover("my_jobboard", "search")
   → Shows: endpoint "search_jobs" with params: query, location, salary_min

2. execute("my_jobboard", "search", "search_jobs", {
     query: "python developer",
     location: "Berlin",
     salary_min: 60000
   })
   → Returns job listings + cache_key

3. query_cache(cache_key, sort_by="salary", sort_order="desc", limit=10)
   → Top 10 highest-paying positions

4. export_data(cache_key, "csv")
   → Download all results as CSV

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Getting Started

Custom Endpoint Builder

Create your first custom endpoint at app.anysite.io