feat: add bridgenode remote MCP server

[BridgeNode-cc]

MCP Server Information

Server Name: bridgenode
Repository URL: https://github.com/bridgenode-ai/bridgenode-mcp
Brief Description: Pay-per-request LLM inference for AI agents via x402 on Solana USDC — no API keys, no accounts, no registration. Remote streamable-HTTP server at https://bridgenode.cc/mcp.

Basic Requirements

• Open Source: Uses acceptable license (MIT-0 — permissive license)
• MCP Compliant: Implements MCP API specification (streamable HTTP)
• Active Development: Recent commits and maintained
• Docker Artifact: N/A — remote MCP server (streamable-http URL), no Dockerfile needed
• Documentation: Basic README and setup instructions
• Security Contact: Method for reporting security issues (GitHub repo issues)

Submitter Checklist

• This server meets the basic requirements listed above
• I understand this will undergo automated and manual review.
• I have tested the MCP Server using task validate -- --name bridgenode (all checks pass)
• I have built the MCP Server using task build -- --tools bridgenode (skipped for remote server)
• If the server requires credentials to test it, I have shared test credentials using this form — N/A: remote server requires no credentials (pay-per-request via x402, no API keys)