GPT55 x402 MCP Gateway vs Andrea9293 MCP | AllMCPs
Side-by-Side Model Context Protocol Comparison
GPT55 x402 MCP Gateway vs Andrea9293 MCP
In-depth architectural comparison of the GPT55 x402 MCP Gateway and Andrea9293 MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
GPT55 x402 MCP Gateway
Developer Tools · Remote HTTP/SSE
Quality: 56/100 (Good) | Auth: other
Andrea9293 MCP
Developer Tools · Local stdio
Quality: 65/100 (Great) | Auth: No auth required
Verdict Summary: Choose GPT55 x402 MCP Gateway if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Andrea9293 MCP if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
G
Choose GPT55 x402 MCP Gateway when:
You need dedicated capabilities in the Developer Tools domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: other (Paid Service).
GPT-5.6 Luna Standard paid API via x402: $0.00293 per request (2930 atomic) on Base USDC (eip155:8453), with browser-wallet checkout and an agent fallback client. Start at https://gpt55.558686.xyz/x402/service; POST https://gpt55.558686.xyz/v1/chat/completions/standard.
Local-first document management and semantic search for AI coding agents
Low-cost x402 payment proof endpoint with no upstream model call. Pay up to $0.002 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.
gpt55_balance_topup
Top up a GPT55 prepaid balance account with x402 exact USDC before using balance-metered GPT-5.5 chat. Pay up to $0.005 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.
gpt55_balance_metered_chat_completion
OpenAI-compatible GPT-5.5 chat that debits a persistent prepaid balance ledger after actual upstream usage is known using the read-only sub2api formula. Pay up to usage-metered balance debit per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
GPT55 x402 MCP Gateway is categorized under Developer Tools and uses a remote streaming HTTP/SSE transport. In contrast, Andrea9293 MCP belongs to Developer Tools using local stdio subprocess. Select GPT55 x402 MCP Gateway when you need capabilities focused on developer tools and Andrea9293 MCP when you require tools for developer tools.
GPT-5.6 Luna chat for mainstream short answers, routing decisions, extraction helpers, and buyer trials. The legacy mini path remains available as a compatibility alias. Pay up to $0.00293 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.
chat_gpt_5_6_soul
GPT-5.6 Soul flagship chat for advanced reasoning, production work, code, and structured responses at GPT-5.5-matched pricing. Pay up to $0.099995 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.
chat_gpt_5_6_luna
GPT-5.6 Luna chat on the independently verified upstream gpt-5.6-luna model. Pay up to $0.019999 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.
chat_gpt_5_6_terra
GPT-5.6 Terra chat on the independently verified upstream gpt-5.6-terra model. Pay up to $0.049998 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.
chat_gpt_5_5
GPT-5.5 chat for stronger reasoning, production work, code, and structured responses. Pay up to $0.019999 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.
chat_gpt_5_3_codex
GPT-5.3 Codex chat for coding-oriented agent work, patch planning, and structured development output. Pay up to $0.007472 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.
chat_gpt_5_4
GPT-5.4 chat for high-quality general reasoning, coding, and structured responses. Pay up to $0.010109 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.
gpt55_x402_buyer_payment_execution_runbook
Premium GPT-5.5 x402 buyer execution agent that turns a paid route, budget cap, runtime, payTo/network expectation, and receipt policy into runnable Node, Python, Bash, MCP, and Flowise payment execution assets. The service never asks for private keys and never pays the target endpoint. Pay up to $4.90 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.
gpt55_x402_wallet_payment_activation_agent
Premium wallet payment activation agent for quote-only x402 buyers. It turns a target paid route, wallet runtime, route id, payTo/network expectations, receipt-gate requirement, and live quote intent signals into a buyer-owned activation plan, Node activation client, MCP payment activation config, Flowise payment activation node, and receipt gate policy without taking custody of private keys. Pay up to $2.90 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.
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Andrea9293 MCP Tools (11)
add_document
Add a new document to the knowledge base
delete_document
Delete a document from the collection
search_documents
Search for chunks within a specific document using semantic similarity. Always tell the user if result is truncated because of length. for example if you recive a message like this in the response: 'Tool response was too long and was truncated'
get_document
Use this tool only when user explicitly requests it. Retrieve a specific document by ID. Always tell the user if result is truncated because of length. for example if you recive a message like this in the response: 'Tool response was too long and was truncated'
list_documents
List all documents in the knowledge base
search_all_documents
Search for relevant chunks across ALL documents in the knowledge base using semantic similarity (hybrid: full-text + vector). Useful for cross-document search when you don't know which document contains the answer.
get_context_window
Returns a window of parent content sections around a central parent_index. Use parent_index values from search results. Always tell the user if result is truncated because of length.
get_ui_url
Get the URL of the web UI. use this tool when user ask you to access the web interface, when the user ask you to upload a file or when the user ask you the uploads folder path. All these function are available in the web UI.
get_uploads_path
Get the absolute path to the uploads folder where you can manually place .txt and .md files
process_uploads
Process all .txt and .md files in the uploads folder and create embeddings for them
list_uploads_files
List all files in the uploads folder with their details