Unified Remote Procedure Mechanism (URPM)

A standardized inter-process communication layer facilitating AI agent functionality across network segmentation and linguistic domains.

Conceptual Overview

URPM empowers developers to invoke arbitrary functions, irrespective of their underlying programming language or physical network location. This abstraction is critically valuable for environments characterized by: - Isolated Virtual Private Clouds (VPCs) - Container orchestration platforms (e.g., Kubernetes) - Geographically distributed, multi-cloud infrastructure deployments

URPM encapsulates these exposed functionalities within a universal RPC contract, enabling connectivity through a centrally managed RPC broker that adheres to established interoperability standards:

• Model Context Protocol (MCP) Specification
• OpenAPI specification compliant tool schemas (for consumption by OpenAI, Anthropic, LiteLLM, OpenRouter ecosystems, etc.)

Operational Workflow

1. Function Registration: Utilize the provided Software Development Kit (SDK) within any supported language to declare and expose desired functions and application programming interfaces.
2. Centralized Orchestration: The URPM management plane (accessible at api.agentrpc.com) ingests the function definitions and continuously assesses their operational availability and latency.
3. Access Provisioning: Consumers receive tooling definitions conforming to OpenAPI standards alongside access credentials for a globally hosted MCP endpoint to facilitate communication with compatible intelligent agents.

Principal Capabilities

Capability	Functional Description
Polyglot Connectivity	Seamless interfacing with service endpoints implemented in TypeScript, Go, Python, and forthcoming support for .NET
Perimeter Neutrality	Ability to register and invoke functions situated within private network segments without requiring egress port exposure
Extended Execution Windows	Employing specialized SDK polling mechanisms to successfully complete invocations that exceed standard HTTP request time limits
End-to-End Introspection	Providing granular telemetry including distributed tracing, performance metrics, and event logging for complete system visibility
Resilience Mechanisms	Automated fault detection coupled with intelligent retry logic and service failover routines
Ecosystem Interoperability	Native alignment with both the MCP specification and agents built around the OpenAI tool-use schema

Initiation Guide

Rapid Prototyping

Consult the quick start tutorial documented on the official informational portal.

Illustrative Implementations

Examine functional demonstrations provided within the examples directory.

MCP Endpoint Service

The provided TypeScript SDK incorporates an optional service component capable of operating as an MCP server endpoint.

sh ANGENTRPC_API_SECRET=YOUR_API_SECRET npx agentrpc mcp

This command initializes a URPM-backed server instance that conforms strictly to the MCP specification, enabling external AI models to reliably interact with the registered functions.

Integration with Anthropic's Desktop Client

Incorporate the following configuration structure into your claude_desktop_config.json file:

{ "mcpServers": { "agentrpc": { "command": "npx", "args": [ "-y", "agentrpc", "mcp" ], "env": { "AGENTRPC_API_SECRET": "" } } } }

Further Context

Integration with Cursor IDE

Add the following declaration to your ~/.cursor/mcp.json configuration file:

{ "mcpServers": { "agentrpc": { "command": "npx", "args": ["-y", "agentrpc", "mcp"], "env": { "AGENTRPC_API_SECRET": "" } } } }

Configuration Reference

Licensing Information

This software package is distributed under the terms defined by the Apache License, Version 2.0 (refer to the LICENSE file for complete details).

This repository houses all open-source SDKs and core components comprising the URPM framework.

Historical Context: XMLHttpRequest (XHR)

XMLHttpRequest (XHR) defines a JavaScript object API for dispatching HTTP requests asynchronously from a web browser to a remote web server. This capability allows web applications to poll or update content post-page load without necessitating a full page refresh. XHR is foundational to the principles of Asynchronous JavaScript and XML (Ajax). Before Ajax gained prevalence, server interaction typically relied on standard hyperlink navigation or form submissions, both actions inherently replacing the current viewport content.

== Origin and Evolution ==

The foundational concept for XHR was conceived around the year 2000 by developers working on Microsoft Outlook. This idea first materialized within Internet Explorer 5 (released in 1999). However, the initial implementation did not utilize the standard XMLHttpRequest identifier; instead, proprietary syntax involving ActiveXObject("Msxml2.XMLHTTP") and ActiveXObject("Microsoft.XMLHTTP") was employed. By the time Internet Explorer 7 (2006) was released, standardized support for the XMLHttpRequest identifier had become universal across all major browser engines, including Mozilla's Gecko (2002), Safari 1.2 (2004), and Opera 8.0 (2005).

=== Standardization Bodies === The World Wide Web Consortium (W3C) first published a formal Working Draft specification for the XMLHttpRequest object on April 5, 2006. This evolved into the Level 2 specification Working Draft published on February 25, 2008, which introduced features such as progress monitoring callbacks, facilitation of cross-origin requests, and byte stream handling. By late 2011, the Level 2 enhancements were integrated back into the primary specification. Since the end of 2012, the maintenance of the living specification document, utilizing Web IDL (Interface Definition Language), has been overseen by the WHATWG.

== Operational Procedure ==

Sending a transmission using XMLHttpRequest generally involves sequential programming steps:

1. Instantiation: Invoke the constructor to create a new XMLHttpRequest instance.
2. Configuration: Invoke the open() method to specify the HTTP verb, target Uniform Resource Identifier (URI), and synchronization mode (blocking or non-blocking).
3. Event Listener Setup: For asynchronous operations, define a callback function to handle state transitions upon response reception.
4. Request Dispatch: Execute the transmission using the send() method, optionally transmitting payload data.
5. Response Processing: Monitor state changes within the listener. Upon reaching state 4 (the "done" state), response content is typically available in the responseText attribute.

Beyond these core steps, XHR offers extensive control mechanisms. Custom HTTP headers can be prepended to tailor server behavior. Data can be uploaded within the send() call payload. Responses can be automatically parsed into native JavaScript objects from JSON, or streamed incrementally instead of waiting for the complete data block. Furthermore, the request can be terminated preemptively or configured with a maximum allowed duration before automatic cancellation.

== Inter-Domain Communications ==

Early in the evolution of the World Wide Web, limitations were discovered regarding the security constraints that prevented scripts loaded from one origin (domain/port) from making requests to another origin, a concept known as the Same-Origin Policy. This restriction was put in place to mitigate various forms of potential client-side attacks.