MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

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

Read-only probes

MCP server · Other

Open Country: USDA Section 538 and 515 data

USDA rural eligibility, Section 538 income limits, 538 loans and lenders, 515 rentals.

Checks passed
13 / 22

1 failed · 8 not measured

Median response
200 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
6

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Outdated check

Last connection measurement is over 24 hours old. Current availability is unknown.

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?
400
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 200 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name usda538-loans.

  • Pass
    Lists tools

    tools/list returned 6 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 200 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 200 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.

  • Pass
    Parameters documented

    31 of 31 parameters have a description (100%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-11-02T14:20:39.470322Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using Open Country: USDA Section 538 and 515 data

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 open-country-usda-section-538-and-515-data https://usda538.loans/mcp

Capabilities

Tools 6

check_rural_eligibility

Checks one US street address against USDA Rural Development's ineligible-area map for its single family and multifamily housing programs (which governs Section 538): eligible or not on the current map, the proposed 2020-census map and the previous map, plus the matched address, county and place (Census Bureau geocoder, or OpenStreetMap and the FCC when Census does not answer).

Discovered
find_usda_rural_rentals

Active USDA Section 515 rural rental and 514 farm labor housing properties in one county from USDA's file (as of October 19, 2026): name, address, housing type, bedroom mix, units, rental assistance units, recorded vacancies, accessible units, opening year, restriction end date and management company. Optional town filter; paged.

Discovered
get_538_income_limits

FY2026 USDA Section 538 income limits (115% of area median income, 1 to 8 persons, effective July 13, 2026) for a county or USDA area in one state, with the per-unit rent cap (30% of the limit / 12) and the approximate project-average cap. Without county or area, lists every area in the state, paged.

Discovered
get_538_lender_table

National Section 538 lender table from USDA's public file (as of October 19, 2026): each lender's loan count, total loan amount and latest fiscal year, ranked by loan count, plus the total portfolio and how many loans each state has. Paged.

Discovered
list_538_loans

USDA's public Section 538 guaranteed loans in one state (file as of October 19, 2026): count, total amount, apartments, tax credit deals, median loan-to-cost and lenders, then loan rows (project, city, lender, closing date, amount, loan-to-cost, units, rents) newest first, paged and filterable by lender or fiscal year.

Discovered
size_538_loan

Sizes a USDA Section 538 loan the way the site's loan sizer does: the 90% (for-profit) or 97% (nonprofit or public) cap on the lower of cost or value against the DSCR cap (1.15x default), with NOI, debt service, loan-to-cost and the 2026 guarantee fees. Arithmetic on your inputs, not a quote.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected200 ms6