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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Code & DevOps

CrossFin

AI agent access to Asian crypto markets. Korean exchange routing and x402 paid APIs.

Checks passed
11 / 22

3 failed · 8 not measured

Median response
3587 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
16

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
220
Publisher identityCan the publisher be traced to its source?
312

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 3587 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name crossfin.

  • Pass
    Lists tools

    tools/list returned 16 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 3587 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 3587 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Fail
    Parameters documented

    4 of 21 parameters have a description (19%). The bar is 80%.

  • Fail
    Safety hints

    16 tools set neither readOnlyHint nor destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Not measured
    Website matches publisher

    This namespace is not a reverse domain, so the website comparison does not apply.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Pass
    Repo owner matches

    The GitHub repository owner matches the namespace login.

  • Fail
    Recently updated

    Updated 2026-02-25T09:06:53.279557Z, which is older than 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using CrossFin

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http crossfin https://crossfin.dev/api/mcp

Capabilities

Tools 16

call_paid_service

Call any CrossFin paid API with automatic x402 USDC payment. Requires local install with EVM_PRIVATE_KEY.

Discovered
compare_exchange_prices

Compare Bithumb KRW prices vs Binance USD prices for tracked coins with transfer-time estimates

Discovered
create_wallet

Create a wallet in the local CrossFin ledger. Requires local install.

Discovered
find_optimal_route

Find cheapest/fastest path across 14 exchanges (incl. Coinbase, SUI, APT) using 13 bridge coins. Paid: $0.10 via x402. Requires local install with EVM_PRIVATE_KEY.

Discovered
get_analytics

CrossFin gateway usage analytics — total calls, top services, recent activity

Discovered
get_balance

Get wallet balance (KRW). Requires local install.

Discovered
get_guide

Complete CrossFin API guide — services, pricing, x402 payment flow, code examples

Discovered
get_kimchi_premium

Free preview of Route Spread — real-time price spread between Korean and global crypto exchanges (top 3 pairs)

Discovered
get_service

Get detailed information about a specific service by ID

Discovered
list_categories

List all service categories with counts

Discovered
list_exchange_fees

Trading fees, withdrawal fees, and transfer times for all supported exchanges (Bithumb, Upbit, Coinone, GoPax, bitFlyer, WazirX, bitbank, Indodax, Bitkub, Binance, OKX, Bybit, KuCoin, Coinbase)

Discovered
list_services

List services from the CrossFin registry with optional category filter

Discovered
list_transactions

List transactions. Requires local install.

Discovered
search_services

Search the CrossFin service registry (184 services) by keyword

Discovered
set_budget

Set daily spend limit (KRW). Requires local install.

Discovered
transfer

Transfer funds between wallets (KRW). Requires local install.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected3587 ms16