Undertow market liquidity and exit-cost tools MCP Server

by beepboop2025 Your server? Claim it

answering

Undertow market liquidity and exit-cost tools is answering right now. Last checked 14 min ago. It exposes 16 tools. Last commit 11 Oct 2026.

Dated exit evidence, depth, tiers and gold cash scenarios. No executable quotes or trade authority.

Uptime history 91 days of history · worst day 54%

91 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

112 ms

Response time

average over 24h

Stars

last commit 11 Oct 2026

What changed 61

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 15 August 2026. No other catalogue keeps this.

28 Oct 15 tool descriptions were rewritten agent_access_status, crypto_exit_check, crypto_funding_cost and 12 more

9 Oct 4 tool descriptions were rewritten gold_cash_realisation, latest_article, market_corpus_context and 1 more

9 Oct a tool changed the parameters it asks for research_network

3 Oct a tool appeared market_corpus_context

3 Oct a tool changed version

2 Oct 14 tool descriptions were rewritten agent_access_status, crypto_exit_check, crypto_funding_cost and 11 more

2 Oct a tool appeared gold_cash_realisation

2 Oct a tool changed version

26 Sep 10 tool descriptions were rewritten11 times that day agent_access_status, depth_episodes, exit_cost and 7 more

26 Sep 3 tools appeared crypto_exit_check, crypto_funding_cost, crypto_portfolio_stress

and 10 more, back to 15 August 2026

Nothing serious here today

Today is the operative word: we check Undertow market liquidity and exit-cost tools every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add undertow --transport http https://api.seiche.info/undertow/mcp

Settings → Connectors → Add custom connector, then paste this address

https://api.seiche.info/undertow/mcp

~/.codex/config.toml

[mcp_servers.undertow]
url = "https://api.seiche.info/undertow/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "undertow": {
      "url": "https://api.seiche.info/undertow/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "undertow": {
      "type": "http",
      "url": "https://api.seiche.info/undertow/mcp"
    }
  }
}

Available tools 16

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

crypto

crypto_exit_check

Four BTC sell sizes by rung/bracket. Withholds stale/future, uncovered or unconverted venues. Fees excluded; no trade clearance.

crypto_funding_cost

Input perpetual funding/fees, net carry, linear break-even. Positive funding: longs pay shorts. Constant-rate scenario, not forecast.

crypto_portfolio_stress

Linear input shocks, 20 exposures: P&L/equity, asset/venue concentration. Symbols label scenarios. No liquidation/probability model.

venue

venue_concentration

BTC two-sided depth: HHI, effective/top venue, venue depth. Subscriber exit_desk_full: ETH and venue failure.

venue_price_reconciliation

BTC/ETH consensus: depth/squared-half-spread weights, deepest-venue blindness, concentration, dislocations. Experimental; no execution authority.

agent

agent_access_status

Identity, entitlement, daily usage, access instructions; missing/refused subscriber tools.

depth

depth_episodes

BTC depth-collapse onset/trough/recovery under preregistered rules. Zero differs from missing. Subscriber exit_desk_full: ETH.

exit

exit_cost

BTC nearest-rung sell estimates; interpolated bid-depth bands. Fees excluded; not executable. Sizes/freshness: crypto_exit_check.

gold

gold_cash_realisation

Gold sale/cash gates from inputs: decimal kg, fineness (0,1], USD/troy-oz bid, USD fees, currency/USD FX (USD=1), aware ISO clocks. Arithmetic and withheld-cash reasons only; no fetch, storage, execution or verified balance.

latest

latest_article

Latest published editorial: title/full text/URL/clock/quality receipt. No args or generated prose. Missing text/failed receipt errors. Board: liquidity_tiers.

liquidity

liquidity_tiers

Nine segment tiers, Seiche funding, measure counts, replay/withholding reasons. PARTIAL: missing history/unpassed replay, never calm.

market

market_corpus_context

Corpus coverage/rights/clocks. No summary pagination; other views: records/total/next_offset. Retrieval age is not observation freshness. Readings: liquidity_tiers.

research

research_network

Cross-product metadata, clocks, rights, next steps. Follow next_offset. Unavailable: retrieval/contract/size failure. Local counts: market_corpus_context. No shared score or authority.

sealed

sealed_record

Calls sealed/signed before outcomes: hits/misses, decided counts, ledger root. Report hits and misses together.

trade

trade_safety_exit_context

Exact-rung BTC/USD observe/paper: request hash, PIT source/rights, conversion, bid bands, six venue clocks, startup SHA. No live mode/clearance.

unwind

unwind_watch

Watched-filer headlines: effective positions, days-to-exit brackets, blind spots. No live execution model. Full grids: unwind_stress.

Endpoints

URL	Transport	State	Latency	Checked
https://api.seiche.info/undertow/mcp	streamable-http	answering	84 ms	14 min ago

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Undertow market liquidity and exit-cost tools — questions

Answers built from our own checks of this server.

What can Undertow market liquidity and exit-cost tools do?

It exposes 16 tools, read directly from the server on our last check. Among them: agent_access_status, crypto_exit_check, crypto_funding_cost, crypto_portfolio_stress, depth_episodes, exit_cost and 10 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

What is Undertow market liquidity and exit-cost tools mostly used for?

Its tools cluster around crypto and venue. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.

Is Undertow market liquidity and exit-cost tools working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 112 ms. The bar chart above shows every period we have measured.

How do I connect Undertow market liquidity and exit-cost tools?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Undertow market liquidity and exit-cost tools need an API key?

No. Undertow market liquidity and exit-cost tools completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 16 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Undertow market liquidity and exit-cost tools?

It answers our handshake in 112 ms on average, which is faster than 90% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Undertow market liquidity and exit-cost tools open source?

The code is open source: it is published under the MIT licence, written in Python and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at api.seiche.info, which runs on its operator's own terms.