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open-connector-pro 🌐

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Next-Generation Unified AI Agent SaaS Connector & Multi-Provider Gateway
Connect AI agents to 1,000+ SaaS platforms, vector databases, and 500+ LLM models via standard Model Context Protocol (MCP), REST API, and CLI interfaces. Built for high resilience, zero-trust security, and real-time metering.


πŸš€ Key Features

  • Universal MCP & REST Connector Bridge: Native bidirectional translation between MCP tool definitions (listMcpTools), OpenAPI specs, and HTTP endpoints.

  • Multi-Provider LLM Router & Circuit Breaker: Intelligent request dispatching across AI providers (OpenAI, Anthropic, Gemini, Groq, Ollama) with latency-based auto-failover, exponential retry, and circuit breaker protection (lib/router.js).

  • Zero-Trust Encrypted Credential Vault: AES-256-CBC encrypted credential manager supporting granular agent scope permissions, token rotation, and immutable audit logs (lib/vault.js).

  • Sliding-Window Rate Limiter & Token Metering Engine: Precision sliding-window rate limiting and per-agent token usage tracking for prompt/completion metering (lib/metering.js).

  • Interactive Browser Playground Studio: Single-file visual dashboard (demo/index.html) featuring live MCP tool registry, route inspector, and real-time circuit state telemetry.

  • Strict Automated Quality Gate: Comprehensive inspection engine auditing tool schema completeness, encryption status, rate limiting rules, and circuit breaker health (lib/qualityGate.js).

  • Checkpointed Auto-Installer: Includes executable ./install.sh --resume script for error recovery during setup.


Related MCP server: mcpgate

πŸ“Š Comparison & Superiority

Feature

🌐 open-connector-pro

πŸ“¦ Zapier / Make

🐍 LangChain Connectors

Dependencies

🌟 0 External Dependencies

Proprietary closed SaaS

Complex Python dependency chain

Security

πŸ›‘οΈ AES-256-CBC Zero-Trust Vault

Cloud-hosted third party

Plaintext env vars

Resilience

⚑ Built-in Circuit Breaker

Basic HTTP retries

Standard exceptions

Auto-Installer

πŸ”„ Checkpoint Resume (./install.sh)

SaaS subscription

Manual pip setup


πŸ—οΈ Architecture

Open Connector Pro Architecture


⚑ Quick Start

git clone https://github.com/tonysheesh/open-connector-pro.git
cd open-connector-pro

# Run checkpointed installer
./install.sh

πŸ§ͺ Testing

npm test

πŸ—ΊοΈ Roadmap

  • 🌐 OAuth2 auto-refresh flow manager for enterprise SaaS integrations

  • πŸ“Š Grafana / Prometheus metrics exporter endpoint

  • πŸ”’ Hardware Security Module (HSM) key storage adapter

  • πŸ€– Auto-discovery engine for local MCP servers on network

  • ⚑ WebAssembly request router for high-throughput gateway proxying


πŸ“œ License

MIT License Β© 2026 tonysheesh

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quality - not tested
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maintenance

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–Releases (12mo)
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