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

Read-only probes

MCP server · Payments & trading

Mercoa MCP by usefulapi

By usefulapi.io Verified namespace

Query and manage Mercoa AP/AR bill-pay: entities, invoices, transactions and payment methods.

WebsiteSource codeFinance & payments
Connect to Mercoa MCP by usefulapi
Checks passed
14 / 22

0 failed · 8 not measured

Median response
59 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
17

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Outdated check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 59 ms.

  • Pass
    Valid handshake

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

  • Pass
    Lists tools

    tools/list returned 17 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 59 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 59 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

    120 of 120 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 2026-11-10T23:33:29.993673Z, within 180 days.

  • Not measured
    Open-source licence

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

Start using Mercoa 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 mercoa-mcp-by-usefulapi https://mercoa.usefulapi.io/mcp

Capabilities

Tools 17

mercoa_add_invoice_comment

WRITE — adds a comment to an invoice (visible in its activity log). POST /invoice/{invoiceId}/comment.

Discovered
mercoa_create_entity

WRITE — creates a real entity (customer/vendor/payor/payee) in Mercoa. Supply role flags, accountType, and a nested `profile` object (business or individual details). POST /entity.

Discovered
mercoa_create_invoice

WRITE — creates a real invoice/bill in Mercoa. Set status (DRAFT to stage, NEW to submit), amount, currency, payer/vendor, dates and line items. POST /invoice.

Discovered
mercoa_find_entities

Find/search entities (buyers, vendors, payors, payees). Use to look up counterparties by name/email/foreignId or list all. GET /entity.

Discovered
mercoa_find_invoices

Find/search invoices (bills) across payers and vendors. Filter by status, entity, date, approver and more. GET /invoices (plural list endpoint).

Discovered
mercoa_find_transactions

List/search payment transactions. Filter by entity, invoice, status, type and date. GET /transactions.

Discovered
mercoa_get_entity

Get a single entity by ID (or foreign ID). GET /entity/{entityId}.

Discovered
mercoa_get_entity_events

Get the event/audit log for an entity. GET /entity/{entityId}/events.

Discovered
mercoa_get_entity_invoice_metrics

Get aggregate invoice metrics (totals/counts, grouped by currency) for an entity's payables/receivables — for AP/AR dashboards and aging. GET /entity/{entityId}/invoice-metrics.

Discovered
mercoa_get_invoice

Get a single invoice (bill) by ID. GET /invoice/{invoiceId}.

Discovered
mercoa_get_invoice_events

Get the event/audit log for an invoice (status changes, approvals, payments). GET /invoice/{invoiceId}/events.

Discovered
mercoa_get_organization

Get the caller's Mercoa organization configuration (settings, payment methods enabled, etc.). GET /organization.

Discovered
mercoa_get_payment_method

Get a single payment method for an entity. GET /entity/{entityId}/paymentMethod/{paymentMethodId}.

Discovered
mercoa_get_transaction

Get a single payment transaction by ID. GET /transaction/{transactionId}.

Discovered
mercoa_list_entity_payment_methods

List an entity's payment methods (bank accounts, cards, check, etc.). GET /entity/{entityId}/paymentMethods.

Discovered
mercoa_list_entity_users

List the users belonging to an entity (approvers, admins, etc.). GET /entity/{entityId}/users.

Discovered
mercoa_update_invoice

WRITE — updates an existing invoice/bill (all fields optional). Commonly used to advance status (e.g. DRAFT→NEW→SCHEDULED) or change amounts, dates, or payment methods. POST /invoice/{invoiceId}.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected59 ms17

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