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

Read-only probes

MCP server · Payments & trading

WeFact MCP by usefulapi

By usefulapi.io Verified namespace

Look up customers, invoices, products and subscriptions in WeFact.

WebsiteSource code
Connect to WeFact MCP by usefulapi
Checks passed
14 / 22

0 failed · 8 not measured

Median response
73 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
7

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Outdated check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?
402

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 73 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name wefact-mcp.

  • Pass
    Lists tools

    tools/list returned 7 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 73 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 73 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

    41 of 41 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.

  • Pass
    Source repo linked

    A 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 2026-11-10T23:35:03.059395Z, within 180 days.

  • Not measured
    Open-source licence

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

Start using WeFact MCP by usefulapi

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 wefact-mcp-by-usefulapi https://wefact.usefulapi.io/mcp

Capabilities

Tools 7

wefact_get_debtor

Get one customer with address, VAT and tax number, invoice settings, payment mandate and contacts. Give identifier or debtor_code. WeFact action: debtor/show.

Discovered
wefact_get_invoice

Get one invoice with its lines, totals, paid and outstanding amounts, payment method, reminders and sent dates. Give identifier or invoice_code. WeFact action: invoice/show.

Discovered
wefact_get_product

Get one product with its description, price, VAT rate, price period and groups. Give identifier or product_code. WeFact action: product/show.

Discovered
wefact_list_debtors

List customers (debtors) with name, customer code, email and last change. Search with searchfor, pick fields with searchat, filter by customer group. WeFact action: debtor/list.

Discovered
wefact_list_invoices

List invoices with customer, amounts, paid and outstanding amounts, status and dates. Filter by status, search text, or invoice date and change date ranges. WeFact action: invoice/list.

Discovered
wefact_list_products

List products and services with code, name, price excluding VAT and VAT rate. Search or filter by product group. WeFact action: product/list.

Discovered
wefact_list_subscriptions

List recurring subscriptions (abonnementen) with customer, product, price and next invoice date. Default status: active. WeFact action: subscription/list.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected73 ms7

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