Connect Undertow market liquidity and exit-cost tools and your agent gets 11 tools, among them agent_access_status, depth_episodes, exit_cost. It answers at https://api.seiche.info/undertow/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 6 of 6 times since 11 September 2026; the last check, on 21 October 2026, succeeded.
Dated exit evidence, depth, tiers and gold cash scenarios. No executable quotes or trade authority.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
agent_access_status | Where this caller stands: whether the bearer token verified, the entitlement tier behind it (checked fresh, never trusted from the token), today's tool-call meter, and how to get full access. Call this first when a subscriber tool is missin |
depth_episodes | Realized depth-collapse episodes in BTC ±1% aggregate depth: onset, trough, drawdown fraction and recovery time for each episode that crossed the pre-registered threshold. Detection rules were declared before any episode accrued. Use when a |
exit_cost | What selling a position of a given USD size costs RIGHT NOW, venue by venue, from live public order books (BTC, six venues). Returns the per-venue cost in basis points at the nearest published size rung, the cheapest and dearest venue with Inputs: size_usd |
latest_article | The exact full-text Undertow editorial published today, with its evidence clock, generation mode and passing quality receipt. This returns the canonical revision verbatim and never rewrites facts. |
liquidity_tiers | The Undertow board's TIER ROW: one liquidity tier per market segment (UST, IG, HY, EQUITY, ETF, FX, CN, CRYPTO, BSTOCK) plus the funding-stress overlay regime. PARTIAL means insufficient scoring history, reported honestly instead of guessed |
research_network | Read Palimpsest source evidence alongside Seiche funding context, with explicit paths into institution research, global data and exit liquidity. Metadata, dates and source rights stay attached; no common score or order authority. Inputs: topic, offset, limit |
sealed_record | Undertow's own sealed forward-calls record: every call hash-chained and signed BEFORE its outcome, scored against the immutable point-in-time board for its horizon date, with misses kept published. Returns the full record with outcomes and |
trade_safety_exit_context | Exact-rung BTC/USD sell evidence for observe/paper Trade Safety. Binds the opaque request, source pack and reviewed rights to PIT; rechecks USD/USDT conversion, required bid bands, six venue clocks and startup SHA. Context only: no nearest Inputs: request_hash, mode, instrument, side, venue, requested_size_usd |
unwind_watch | Can a watched fund's book actually leave the building? Unwind stress for the watched 13F filers (incl. the Situational Awareness LP replay): effective position count, whole-book days-to-exit at 10% of a median day's volume (bracketed as-if Inputs: cik |
venue_concentration | How concentrated the BTC depth backbone is today: which venue holds the largest share of ±1% aggregate depth, the HHI, the effective venue count (1/HHI), and per-venue depth in USD. Low effective venue count means an exit depends on one ven |
venue_price_reconciliation | What the price IS when venues disagree: the cross-venue consensus mark for BTC and ETH, weighted by resting depth over squared half-spread (NOT a median of last prices), with the BLINDNESS GAP — how far the deepest venue sits from consensus |
Every block below points at https://api.seiche.info/undertow/mcp. Pick your client and copy.
claude mcp add --transport http undertow-market-liquidity-and-ex https://api.seiche.info/undertow/mcp
{
"mcpServers": {
"undertow-market-liquidity-and-ex": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://api.seiche.info/undertow/mcp"]
}
}
}{
"mcpServers": {
"undertow-market-liquidity-and-ex": {
"url": "https://api.seiche.info/undertow/mcp"
}
}
}{
"servers": {
"undertow-market-liquidity-and-ex": {
"type": "http",
"url": "https://api.seiche.info/undertow/mcp"
}
}
}{
"context_servers": {
"undertow-market-liquidity-and-ex": {
"url": "https://api.seiche.info/undertow/mcp"
}
}
}{
"mcpServers": {
"undertow-market-liquidity-and-ex": {
"serverUrl": "https://api.seiche.info/undertow/mcp"
}
}
}{
"mcpServers": {
"undertow-market-liquidity-and-ex": {
"url": "https://api.seiche.info/undertow/mcp"
}
}
}name: Undertow market liquidity and exit-cost tools
version: 0.0.1
schema: v1
mcpServers:
- name: Undertow market liquidity and exit-cost tools
type: streamable-http
url: https://api.seiche.info/undertow/mcp{
"mcpServers": {
"undertow-market-liquidity-and-ex": {
"httpUrl": "https://api.seiche.info/undertow/mcp"
}
}
}{
"mcpServers": {
"undertow-market-liquidity-and-ex": {
"type": "http",
"url": "https://api.seiche.info/undertow/mcp"
}
}
}{
"mcpServers": {
"undertow-market-liquidity-and-ex": {
"url": "https://api.seiche.info/undertow/mcp"
}
}
}goose://extension?url=https%3A%2F%2Fapi.seiche.info%2Fundertow%2Fmcp&type=streamable_http&id=undertow-market-liquidity-and-ex&name=Undertow%20market%20liquidity%20and%20exit-cost%20tools
It answered our last check on 21 October 2026 in 54 ms. Over 6 checks since 11 September 2026 it answered 6. Status here comes from Neuronto's own probes, not from the publisher.
11, as returned by the server's own tools/list on 13 September 2026: agent_access_status, depth_episodes, exit_cost, latest_article, liquidity_tiers, research_network, sealed_record, trade_safety_exit_context, and 3 more.
It answered our last check on 21 October 2026 in 54 ms. Over 6 checks since 11 September 2026 it answered 6.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://api.seiche.info/undertow/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: io.github.beepboop2025. Endpoint host: api.seiche.info. ARD identifier: urn:air:io.github.beepboop2025:mcp:undertow.
First indexed 10 September 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.