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AfterFees

MCP server · hosted · v0.18.9 · io.github.linyejia/afterfees
Online · tested 2h agoNEW · 3h agoSeen in the registry 2h ago

Crypto funding-rate arbitrage across 50 exchanges, net of fees and order-book slippage. Read-only.

Website ↗Source code ↗How to connect ↓

What it does

AfterFees is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.

No capability identified yet from its description.

Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.

At a glance

Hosted (remote)YES
Local installNO
Version0.18.9
PriceNot in the registry
First seen30 Oct 2026
Last checked2h ago

How to connect

As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 2h ago (live check)

Hosted endpoint

  • https://afterfees.xyz/mcp streamable-http

In Claude Code: claude mcp add --transport http afterfees https://afterfees.xyz/mcp

MCP settings (Claude Desktop, Cursor and other MCP clients)

{
  "mcpServers": {
    "afterfees": {
      "url": "https://afterfees.xyz/mcp"
    }
  }
}

Live check

Electra Index connected to the hosted endpoint 2h ago

ONLINE AfterFees answered an MCP connection on 30 Oct 2026 and introduced itself as afterfees 0.18.9 (MCP protocol 2025-06-18).

27 tools offered to AI assistants

  • best_opportunities · Ranked funding-rate arbitrage pairs (long one market, short another) with the net result after taker fees and order-book slippage at your size, max size, breakeven, settled 7-day replay, tier (actionable / watch) and reasons.
  • coin_overview · Funding rate of one coin on every exchange (rate, interval, APR, predicted, OI, volume, settled 7-day sum) plus its best pairs, net after fees and slippage at your size.
  • pair_breakdown · Full calculation of one pair: funding per leg and settlement count, taker fees, order-book VWAP and slippage per trade, carry, net, net if rates halve, breakeven, capacity, settled 7/30-day replay. pair_key comes from best_opportunities or
  • funding_rates · Current perpetual funding rates (gross, before costs). With base: that coin on every exchange, highest first. Without: the top N markets by absolute APR (OI filter applies).
  • borrow_rates · Margin borrow rates per coin and exchange (VIP0, current and 24 h / 7 d averages, limits, inventory) with the most negative perp funding: the two halves of a reverse spot-perp carry.
  • fixed_vs_floating · Pendle Boros markets: the fixed funding rate you can lock (net of Boros fees and fill at your size) against the term-matched floating benchmark, advantage, win rate, capacity. side=short locks an income, side=long locks a cost.
  • execution_cost · Taker fee + order-book slippage to buy or sell a given USD size of one coin on every exchange (perps and spot), cheapest first.
  • basis_trades · Spot or perp against a dated future held to delivery, on one exchange or across two (perp on one, future on another), and two same-day futures on different exchanges: net to expiry after fees and slippage at your size, net APR, basis APR, m
  • transfer_routes · Buy a coin on one exchange, withdraw it on a network both exchanges share (same chain and contract, never matched by ticker), sell on another: real-transfer net after taker fees, order-book slippage and the withdrawal fee at your size, pre-
  • pair_history · Funding actually settled on both legs over 7 / 30 / 90 / 180 / 365 days, applied to today's orientation at your size: net after the four trading costs, max drawdown, negative days, daily sign flips, how far back each exchange's history reac
  • term_structure · Annualised basis of every delivery future of one coin on every exchange we cover, next to perp funding.
  • venue_execution_cost · Taker fee plus order-book slippage to enter $10k / $100k / $1M long and short on one exchange's biggest markets, in basis points.
Show 15 more
  • service_status · Whether AfterFees data is live right now, which exchange feeds are down, and availability over 1 / 7 / 30 / 90 days.
  • order_checklist · The two orders to place by hand for one pair: action, exchange, symbol, quantity in the exchange's own unit (contracts where one contract is not one coin), notional, assumed leverage and a link to each contract's trading page (no referral p
  • holding_scenarios · Net after fees and slippage of one live pair held 8 h, 1 d, 3 d, 7 d and 30 d, optionally with your own assumed funding rate per leg (percent per funding period, keyed by instrument_id).
  • manual_calculator · Net, net APR, breakeven and funding-halved case for two legs you describe (no live data): each leg {side: long|short, rate_pct per period, interval_hours, taker_bps, first_in_hours?}.
  • boros_lock_calculator · Locked net (income) or cost APR on Pendle Boros at an implied APR you give, after the taker and settlement fees and the entry cost, its advantage over a floating APR you expect and the break-even floating rate. Percent inputs.
  • transfer_calculator · Buy on exchange A, withdraw, sell on exchange B at prices you give: real-transfer and prefunded net, break-even premium. Fees in percent, withdrawal fee in coins.
  • boros_market · Detail of one Boros market (id from fixed_vs_floating): fixed rate at your size net of fees, floating benchmarks, advantage, win rate, capacity, reasons.
  • boros_futures_basis · Lock funding on Boros against a delivery future of the same maturity: implied APR vs basis APR, net after fees and slippage at your size.
  • exchanges · Every exchange AfterFees reads: kind, fully calculated or watch-only, status, markets, taker / maker fee, open interest, 24 h volume.
  • exchange_overview · One exchange: fees and their source, funding intervals, open interest, volume, highest and lowest funding and its best after-fee pairs.
  • coins · Coins with a perp on two or more exchanges: exchange count, open interest, highest and lowest funding APR and the best after-fee pair.
  • track_record · How AfterFees' daily top picks actually did: predicted net vs net realised from settled funding over the hold, hit rate, mean error, latest picks.
  • dex_scan · Tokens our exchanges list with a verified contract on Ethereum, BNB Chain, Base, Arbitrum or Solana whose DEX price is more than 1% away: net at $1k / $5k / $10k after aggregator price impact, swap gas, the token transfer gas and the exchan
  • spread_chart · Candles of (A − B) / B between any two instruments (book mids where stored, else marks). Free: 1 h candles and longer over up to 7 days; Pro: 1 m and up, up to 365 days.
  • my_positions · Your positions across the read-only exchange keys connected to your AfterFees account, grouped into hedges: delta drift, distance to liquidation, funding received, issues. Needs a Pro account token; AfterFees only accepts read-only keys. Ne

What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method

Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.

Facts & evidence

Each fact shows where it was seen and when.
FactValueEvidenceSourceLast confirmed
Hosted endpointhttps://afterfees.xyz/mcpDECLAREDSRC-001 Official MCP Registry2h ago
Local install (package)noDECLAREDSRC-001 Official MCP Registry2h ago
Remote access (hosted)yesDECLAREDSRC-001 Official MCP Registry2h ago
Websitehttps://afterfees.xyzDECLAREDSRC-001 Official MCP Registry2h ago
Repositoryhttps://github.com/linyejia/afterfees-mcpDECLAREDSRC-001 Official MCP Registry2h ago
Registry statusactiveDECLAREDSRC-001 Official MCP Registry2h ago
Version0.18.9DECLAREDSRC-001 Official MCP Registry2h ago
MCP serveryesDECLAREDSRC-001 Official MCP Registry2h ago

Change history

  • NEW30 Oct 2026
    first seen in the index

Is this page accurate?

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Questions about AfterFees

How do I connect AfterFees?

Use the hosted endpoint https://afterfees.xyz/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.

What tools does AfterFees offer?

When Electra Index connected on 30 Oct 2026, it listed 27 tools: best_opportunities, coin_overview, pair_breakdown, funding_rates, borrow_rates, fixed_vs_floating, execution_cost, basis_trades and more. The full list is in "Live check" above.

Is AfterFees online?

Yes. Its hosted endpoint answered an MCP connection from Electra Index 2h ago.