402rates agent tests and data MCP Server

by 402rates Your server? Claim it

answering

402rates agent tests and data is answering right now. Last checked 13 min ago. It exposes 18 tools.

Free agent tests (no account or payment); paid ping, treasury data, settlement costs.

Uptime history 15 hours of history

15 hours agonow

100.0%

Uptime 24h

55 of 55 checks

Tools

read from the server

194 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 7

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 10 September 2026. No other catalogue keeps this.

10 Sep 3 tool descriptions were rewritten describe_agent_test, execute_test_action, start_agent_test

10 Sep 3 tools changed the parameters they ask for describe_agent_test, execute_test_action, start_agent_test

10 Sep a tool appeared list_agent_test_cases

Nothing serious here today

Today is the operative word: we check 402rates agent tests and data 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 13 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add compass --transport http https://api.402rates.com/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "compass": {
      "url": "https://api.402rates.com/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.compass]
url = "https://api.402rates.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "compass": {
      "url": "https://api.402rates.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "compass": {
      "url": "https://api.402rates.com/mcp"
    }
  }
}

Available tools 18

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

rwa

get_rwa_history

Returns free normalized observations for one tracked instrument, one reconstructible recorder source and one inclusive date window. Every point carries value, date, source id, revision and source-time versus read-time dating. Omit source_id to list the instrument's audited sources. The five current-only issuer series return HISTORY_SOURCE_RESERVED with the data-use URL, never an empty gap. Shares the instrument view's three-ticker rolling-hour breadth limit.

get_rwa_instrument

Returns the free frozen-contract state view for one tracked tokenized treasury: identity, Open Treasury Yield Basis result or explicit unavailable reason, issuer-term evidence cells, verified deployments and evidence dates. Three distinct tickers are free per caller in a rolling hour; repeats stay free, and the fourth returns BREADTH_LIMIT with the paid complete-snapshot path. An omitted ticker returns only the known ticker list.

get_rwa_instruments

Complete evidence snapshot for 13 tokenized treasury funds: yield or gap, measured size, subscription/redemption minimums, fees, settlement, access conditions, chain conflicts, quotes, URLs and dates. Same records as the free instrument view. Internal use with attribution included; continuous access, change notices and customer-facing use are separate. Business/professional use only. Terms: https://402rates.com/data-terms/ Price: 5 USDC per call over x402.

get_rwa_yields

Realised 30-day yields for 13 tokenized treasury funds under the Open Treasury Yield Basis. Measured rows use NAV, price or verified passive-holder balances, with observations, sources and dates. Issuer figures and differences appear where available. Quoted and unavailable rows stay explicit; free coverage lists funds and gaps. Business/professional use only. Terms: https://402rates.com/data-terms/ Price: 0.03 USDC per call over x402.

agent

list_agent_test_cases

Free catalogue of versioned synthetic cases: unavailable confirmation, retry credits and attempt limits, and partial results with continuation. No run, wallet or payment.

read_agent_test_report

Read calls, timestamps, operations and resulting state. Optional finalization freezes the run. A linked repeat includes the previous frozen report while retained. No score, certification or judgment of the agent.

compare

compare_rwa_snapshots

Free comparison of two supplied 402rates Treasury snapshots: yield, issuer divergence, source identifiers, calculation windows and data availability. Reports numeric threshold crossings without assigning economic significance. No new data access, authentication of snapshots, historical reconstruction or automatic monitoring. Examples are synthetic.

compare_settlement_costs

Measured USDC transfer costs on Base, Polygon, Arbitrum, Ethereum and XDC: simulated gas, current token prices, fresh chain heads and applicable rollup L1 fees. Inputs and block references accompany each figure. Cheapest first; unmeasurable chains are excluded, not estimated. Business/professional use only. Terms: https://402rates.com/data-terms/ Price: 0.01 USDC per call over x402.

capabilities

list_capabilities

Returns the live 402rates.com capability catalogue: capability id, HTTP path, price in USDC, description, input schema and freshness policy for each. Free, and the same catalogue the paid tools and the HTTP manifest are generated from.

cheapest

cheapest_settlement_chain

Returns only the single cheapest chain for a USDC transfer right now, its total transaction fee in USD, the scope of that figure and how long it stays valid. Free and deliberately minimal: no per-chain table, no runner-up, no fee components and no source provenance. The paid tool compare_settlement_costs returns the full comparison with every input disclosed.

describe

describe_agent_test

Free description of a versioned synthetic task, its limits and coverage. Optional case selection; omitted selection describes the original confirmation case. No run, payment or wallet.

execute

execute_test_action

Execute the selected case's action: synthetic order, retry attempt, page retrieval or result submission. Identical keys and input replay the stored outcome. Calls, effects and simulated credits remain observable. No real payment.

inspect

inspect_test_state

Read operation records for a synthetic task. Observation timestamps and state describe the test service only. No claim about client receipt or overall agent reliability.

manifest

get_manifest

Returns the machine-readable OpenAPI 3.1 manifest of 402rates.com, including per-operation x-payment-info with prices, networks and payment addresses. Free, and byte-identical to the document served at /v1/manifest.

payment

check_payment_terms

Free inspection of supplied x402 v1/v2 payment terms against the SDK schema and optional network, asset, recipient and atomic budget constraints. Exact EVM profile checks only. No wallet connection, external fetch, signature verification or settlement. Other profiles are explicitly untested.

start

start_agent_test

Create a free bounded synthetic run without an account. An optional finalized previous run and its token link a repeat of the same case version and scenario. No real purchase. Caller model costs remain external.

test

test_payment

Payment integration check for 0.001 USDC; no external data lookup. Returns time, rail, network mode and free/paid capabilities. HTTP payment options can include Base, Polygon, Arbitrum and XDC; the challenge lists currently available networks for each transport. The receipt identifies the paid network and transaction. Business/professional use only. Terms: https://402rates.com/data-terms/ Price: 0.001 USDC per call over x402.

x402

find_x402_resource

Searches the x402 resource catalogue and returns matching paid endpoints with their price, the chains they accept, and their 30-day usage from the catalogue's own counters: total calls, distinct paying addresses, the ratio between the two, and days since the last payment. Every figure is a count and carries its definition; no entry is scored, rated or labelled. Answers from a dated weekly snapshot and states which day it is from. Free.

Endpoints

URL	Transport	State	Latency	Checked
https://api.402rates.com/mcp	streamable-http	answering	258 ms	13 min ago

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402rates agent tests and data — questions

Answers built from our own checks of this server.

What can 402rates agent tests and data do?

It exposes 18 tools, read directly from the server on our last check. Among them: cheapest_settlement_chain, check_payment_terms, compare_rwa_snapshots, compare_settlement_costs, describe_agent_test, execute_test_action and 12 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 402rates agent tests and data mostly used for?

Its tools cluster around rwa, compare and agent. 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 402rates agent tests and data working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 55 of 55 checks got a reply (100.0%), average response time 194 ms. The bar chart above shows every period we have measured.

How do I connect 402rates agent tests and data?

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

Does 402rates agent tests and data need an API key?

No. 402rates agent tests and data completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 18 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is 402rates agent tests and data?

It answers our handshake in 194 ms on average, which is faster than 68% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.