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Undertow market liquidity and exit-cost tools

connects

api.seiche.info

Daily editorials, exit costs, depth concentration, tiers, and sealed records. No commodity futures.

https://api.seiche.info/undertow/mcpWebsiteNo authMCP 2025-11-25v1.13.0last checked 18 Oct 2026spoke MCP on 96.4% of 84 checks (30 days)initialize in 117 ms

Will my client connect?

Decided from what the probe found at the endpoint, and from what each client's own documentation says it can complete. Every row carries the day that documentation was read.

✓Claude CodeConnects

The endpoint answers an anonymous handshake, so no credential is needed.

claude mcp add --transport http undertow-market-liquidity-and-exit-cost-tools https://api.seiche.info/undertow/mcp

Claude Code docs · read on 2026-08-30

✓Claude (claude.ai & Desktop)Connects

The endpoint answers an anonymous handshake, so no credential is needed.

Settings → Connectors → Add custom connector, then paste https://api.seiche.info/undertow/mcp.

Claude (claude.ai & Desktop) docs · read on 2026-08-30

✓ChatGPTConnects

The endpoint answers an anonymous handshake, so no credential is needed.

Settings → Apps → Advanced settings → Developer mode, then create a connector pointing at https://api.seiche.info/undertow/mcp.

ChatGPT docs · read on 2026-08-30

✓CursorConnects

The endpoint answers an anonymous handshake, so no credential is needed.

{
  "mcpServers": {
    "undertow-market-liquidity-and-exit-cost-tools": {
      "url": "https://api.seiche.info/undertow/mcp"
    }
  }
}

Cursor docs · read on 2026-08-30

✓VS Code (Copilot)Connects

The endpoint answers an anonymous handshake, so no credential is needed.

{
  "servers": {
    "undertow-market-liquidity-and-exit-cost-tools": {
      "type": "http",
      "url": "https://api.seiche.info/undertow/mcp"
    }
  }
}

VS Code (Copilot) docs · read on 2026-08-30

How to authenticate

Checked against the endpoint by our probe on 18 Oct 2026. These are the capabilities the server advertises, not a prediction about any particular client.

Scheme
No auth
Protected-resource metadata
✕Not found

Without it a client has to guess where the authorization server lives.

Anonymous access
Handshake succeeds; 16 tools listable

Tools

agent_access_statuscrypto_exit_checkcrypto_funding_costcrypto_portfolio_stressdepth_episodesexit_costgold_cash_realisationlatest_articleliquidity_tiersmarket_corpus_contextresearch_networksealed_recordtrade_safety_exit_contextunwind_watchvenue_concentrationvenue_price_reconciliation

Contract history

9 Oct 2026v1.13.04 cosmeticinstructions rewritten

Instructions rewritten: gold_cash_realisation, latest_article, market_corpus_context, research_network. The description an agent follows changed; the callable contract may not have.

4 Oct 2026v1.13.01 compatible
2 Oct 2026v1.12.01 compatible14 cosmeticinstructions rewritten

Instructions rewritten: agent_access_status, crypto_exit_check, crypto_funding_cost, crypto_portfolio_stress, depth_episodes, exit_cost, latest_article, liquidity_tiers, research_network, sealed_record, trade_safety_exit_context, unwind_watch, venue_concentration, venue_price_reconciliation. The description an agent follows changed; the callable contract may not have.

26 Sep 2026v1.11.03 compatible10 cosmeticinstructions rewritten

Instructions rewritten: agent_access_status, depth_episodes, exit_cost, latest_article, liquidity_tiers, research_network, sealed_record, unwind_watch, venue_concentration, venue_price_reconciliation. The description an agent follows changed; the callable contract may not have.

14 Sep 2026v1.10.01 breaking

Breaking: exit_cost

8 Sep 2026v1.10.01 compatible
2 Sep 2026v1.10.0first recorded contract

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Status badge

Status for a README, from the last probe — cached an hour, so up to seven hours behind the endpoint. Links back to this page.

MCP status badge for Undertow market liquidity and exit-cost tools
[![MCP status](https://mcpi.app/servers/undertow-market-liquidity-and-exit-cost-tools/badge.svg)](https://mcpi.app/servers/undertow-market-liquidity-and-exit-cost-tools)