OmenSwap

No-signup instant swap with an unusual four-surface access model — you can hit Omenswap through a normal web app, an SSH terminal, an MCP server (for LLM agents), or an HTTP API. Grade C on the tenure rule: the ToS is clean and structured, the pricing is transparent, but the domain and brand have thin independent history — a fresh instant-swap earns a Grade C shelf position until history accumulates.

What it is. Instant crypto-to-crypto swap engine, no account required. Pick a pair, enter your receive address, send to the one-time deposit address, receive on confirmation. Supports floating-rate and fixed-rate swaps. The site's terminal-first aesthetic (ASCII-art homepage banner, `TERMINAL`/`DOCS`/`NO-JS`/`ONION` footer links) matches the four-surface access model — the operator is clearly targeting the users who reach for `ssh omenswap.com` before opening a browser.

Access surfaces. Four ways in, per the ToS: web app (the standard UI at omenswap.com), SSH terminal (typed swap flow over SSH), MCP server (Model Context Protocol endpoint for LLM-driven swaps), HTTP API (programmatic access). The MCP surface in particular is novel — no other listed swap engine ships a first-class MCP interface — and if you route swaps through an LLM agent, it's the shape you want. The `NO-JS` footer link implies a graceful-degradation path for locked-down browsers.

KYC posture. *(ToS clause 07)* *"Omenswap will never ask for your personal information or documentation."* Confirmed on the visible signup / swap flow: no account, no email, no identity fields — just a receive address and (optionally) a refund address.

AML posture. *(ToS clause 06)* Omenswap runs OFAC / sanctioned-entity screening on incoming deposits above a threshold. If your deposit trips the screen, the swap will not execute and a refund is initiated. Same category posture as most compliant instant swaps — clean funds pass through, mixed-history funds may get bounced back. Manual refund verification (needed when you didn't set a refund address) requires cryptographic proof-of-key across both wallets in the swap and carries a 1% fee.

Refund flow. Structured, and more generous than most: *(clause 08)* *"Refunds will be provided in any case in which omenswap is unable to exchange your funds in a reasonable time window."* Providing a refund address in the pre-swap form makes refunds free and automatic; without one, the manual sign-proof process kicks in.

Why this grade. Grade C reflects the default for a new listing for this category combined with an otherwise-clean surface — clear ToS, transparent fees, novel access model, no scam-flag or peer-directory concerns to work against. What would move it higher: 12+ months of clean operation, a peer-directory pickup (kycnot / monerica currently do not list), and a user-report track record from the terminal/API/MCP crowd.

Useful when. You want a swap without touching a browser (SSH surface). You're driving swaps from a script or an agent (API / MCP). You want a minimalist swap engine that spends its complexity budget on transport, not marketing.

Caveats. New brand — no independent user-report history yet; treat first swaps as small and disposable until you've validated the flow yourself. The four-surface access model is unusual and worth its own trust-verification pass (does the MCP endpoint honor the same rate quote as the web UI? Does the SSH flow match the HTTP API's fee schedule? Verify before scaling deposit sizes). The `NO-JS` and `ONION` links in the footer are advertised — verify each renders before relying on the promise. No published reserve or third-party audit; you are trusting the operator's short-tenure track record and the clarity of the ToS.