Blackwall X402 Guardrail vs Gate DEX MCP
A side-by-side look at the Blackwall X402 Guardrail and Gate DEX MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Blackwall X402 Guardrail for finance & fintech work over a hosted endpoint; choose Gate DEX MCP for finance & fintech as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Blackwall X402 Guardrail when
- You need dedicated capabilities in the Finance & Fintech domain.
- You prefer a remote HTTP/SSE transport.
- You want tools like
forecast_payment.
Choose Gate DEX MCP when
- You need dedicated capabilities in the Finance & Fintech domain.
- You prefer a local stdio subprocess transport.
- You want tools like
dex_auth_google_login_start, dex_auth_google_login_poll, dex_auth_login_google_wallet.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Finance & Fintech | Finance & Fintech |
| Quality signal | 47/100 · Fair | 59/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Remote HTTP/SSE | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 44 |
| Directory activity | 1 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 1 | 33 |
| Full listing | View Blackwall X402 Guardrail | View Gate DEX MCP |
Tools & capabilities
Blackwall X402 Guardrail tools 1
forecast_paymentPre-signature x402 payment verdict: GO / HOLD / STOP for paying a counterparty, from settlement reputation, price-anomaly (quoted vs the payee's own median), and OFAC sanctions — with a third-party-verifiable Ed25519 signed receipt. Verdict only; never takes custody. Free under $10 at risk; over that, returns an x402 payment challenge.
Gate DEX MCP tools 33
dex_auth_google_login_startStart Google OAuth login flow, returns verification URLdex_auth_google_login_pollPoll login status, returns mcp_token on successdex_auth_login_google_walletLogin with Google OAuth authorization codedex_auth_gate_login_startStart Gate OAuth login flow, returns verification URLdex_auth_gate_login_pollPoll Gate OAuth login status, returns mcp_token on successdex_auth_login_gate_walletLogin directly with Gate OAuth authorization codedex_auth_logoutRevoke current sessiondex_wallet_get_addressesGet wallet addresses for each chain (EVM, Solana)dex_wallet_get_token_listToken balances with prices and paginationdex_wallet_get_total_assetTotal portfolio value and 24h changedex_wallet_sign_messageSign a message with wallet private key (EVM / Solana)dex_wallet_sign_transactionSign a raw transaction with wallet private key- +21 more on the listing page
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Blackwall X402 Guardrail
{
"mcpServers": {
"blackwall-x402-guardrail-2": {
"url": "https://mcp.blackwalltier.com"
}
}
}
Gate DEX MCP
{
"mcpServers": {
"gate-dex-mcp": {
"command": "npx",
"args": [
"-y",
"mcporter"
]
}
}
}
Frequently asked questions
Blackwall X402 Guardrail is categorized under Finance & Fintech and uses a remote HTTP/SSE transport. Gate DEX MCP belongs to Finance & Fintech and uses a local stdio subprocess. Pick Blackwall X402 Guardrail for finance & fintech work and Gate DEX MCP for finance & fintech.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Blackwall X402 Guardrail has no declared pricing — check the project's own site. Gate DEX MCP has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add blackwall-x402-guardrail-2 and gate-dex-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Blackwall X402 Guardrail has a quality signal of 47/100 (Fair) with 1 views, 0 installs and 0 GitHub stars. Gate DEX MCP has 59/100 (Good) with 1 views, 0 installs and 44 GitHub stars.