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Lago MCP by usefulapi

by io.usefulapi
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Server Details

Read Lago customers, subscriptions, invoices, usage and revenue analytics; write events.

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Status
Healthy
Uptime
80.4% over 57 days
Last Tested
Transport
Streamable HTTP · MCP 2025-06-18
URL
Repository
m190/usefulapi-mcp
GitHub Stars
0

TDQS

A3.6/5.0

Scored across 24 tools

Disambiguation5/5

Each tool targets a distinct entity and action (e.g., lago_get_customer vs. lago_create_customer, lago_list_invoices vs. lago_get_invoice), with no overlapping purposes. The separation between analytics, customer, invoice, subscription, and other resource types is clear.

Naming Consistency5/5

All tools follow a consistent verb_noun pattern with lower_snake_case and the 'lago_' prefix. Actions like 'get', 'list', 'create', and 'retrieve-related' (e.g., lago_get_customer_current_usage) are uniform, making the naming predictable.

Tool Count4/5

With 24 tools, the server covers a broad range of billing/analytics operations. While slightly high, each tool serves a distinct purpose for reading or creating core entities and analytics. The count is well-scoped for its domain.

Completeness2/5

The server overwhelmingly focuses on read operations (list/get) with only two write tools (create_customer, create_event). Missing CRUD for invoices, subscriptions, plans, add-ons, coupons, credit notes, and wallets limits agents to mostly read-only workflows, creating significant gaps for managing billing lifecycles.

Available Tools

24 tools
lago_analytics_gross_revenueAnalytics: gross revenue
Read-only
Inspect

Monthly gross revenue (finalized invoice payments + advance fees, net of tax/discounts). Lago API: GET /analytics/gross_revenue.

ParametersJSON Schema
NameRequiredDescriptionDefault
monthsNoNumber of months to return.
currencyNoCurrency filter (ISO 4217, e.g. USD).
external_customer_idNoFilter revenue at the customer level.
lago_analytics_mrrAnalytics: MRR
Read-only
Inspect

Monthly recurring revenue (MRR) from subscription fees. Lago API: GET /analytics/mrr.

ParametersJSON Schema
NameRequiredDescriptionDefault
monthsNoNumber of months to return.
currencyNoCurrency filter (ISO 4217, e.g. USD).
lago_create_customerCreate customer
Destructive
Inspect

Creates a customer in Lago (additive). Lago API: POST /customers with body { "customer": { ... } }.

ParametersJSON Schema
NameRequiredDescriptionDefault
urlNoCustomer URL.
nameNoFull name of the customer.
emailNoEmail of the customer.
phoneNoPhone number.
countryNoBilling country code (ISO 3166 alpha-2).
currencyNoCustomer currency (ISO 4217).
metadataNoStructured metadata to attach to the customer (Lago expects an array of {key, value, display_in_invoice?} objects).
timezoneNoCustomer timezone, e.g. America/New_York.
legal_nameNoLegal company name.
external_idYesThe customer external unique identifier (required, provided by your application).
legal_numberNoLegal company number.
tax_identification_numberNoTax identification number.
lago_create_eventCreate usage event
Destructive
Inspect

Records a usage/metering event in Lago. This WILL be counted toward the customer's usage and affects billing. Idempotent via transaction_id. Lago API: POST /events with body { "event": { ... } }.

ParametersJSON Schema
NameRequiredDescriptionDefault
codeYesThe billable metric code this event targets (required).
timestampNoUnix timestamp in seconds (or ISO); defaults to event reception time.
propertiesNoAdditional event properties used to compute the fee (required for sum/max/unique aggregations).
transaction_idYesUnique identifier for the event — the idempotency key (required).
external_subscription_idYesThe subscription external id to link the event to (required).
precise_total_amount_centsNoPrecise total amount in cents, used by the dynamic pricing model.
lago_get_billable_metricGet billable metric
Read-only
Inspect

Retrieve a single billable metric by code. Lago API: GET /billable_metrics/{code}.

ParametersJSON Schema
NameRequiredDescriptionDefault
codeYesThe billable metric's unique code.
lago_get_credit_noteGet credit note
Read-only
Inspect

Retrieve a single credit note by its Lago id. Lago API: GET /credit_notes/{lago_id}.

ParametersJSON Schema
NameRequiredDescriptionDefault
lago_idYesThe credit note's Lago id (UUID).
lago_get_customerGet customer
Read-only
Inspect

Retrieve a single customer by external id. Lago API: GET /customers/{external_customer_id}.

ParametersJSON Schema
NameRequiredDescriptionDefault
external_customer_idYesThe customer external unique identifier (from your application).
lago_get_customer_current_usageGet customer current usage
Read-only
Inspect

Retrieve a customer's usage-based billing data for the current period. Lago API: GET /customers/{external_customer_id}/current_usage.

ParametersJSON Schema
NameRequiredDescriptionDefault
apply_taxesNoWhether taxes should be applied. Defaults to true.
external_customer_idYesThe customer external unique identifier.
external_subscription_idYesThe subscription's external unique identifier (required).
lago_get_customer_past_usageGet customer past usage
Read-only
Inspect

Retrieve a customer's usage-based billing data for past periods. Lago API: GET /customers/{external_customer_id}/past_usage.

ParametersJSON Schema
NameRequiredDescriptionDefault
periods_countNoNumber of past billing periods to return.
billable_metric_codeNoFilter usage to a specific billable metric code.
external_customer_idYesThe customer external unique identifier.
external_subscription_idYesThe subscription's external unique identifier (required).
lago_get_customer_portal_urlGet customer portal URL
Read-only
Inspect

Get a customer's billing portal URL. Lago API: GET /customers/{external_customer_id}/portal_url.

ParametersJSON Schema
NameRequiredDescriptionDefault
external_customer_idYesThe customer external unique identifier.
lago_get_invoiceGet invoice
Read-only
Inspect

Retrieve a single invoice by its Lago id. Lago API: GET /invoices/{lago_id}.

ParametersJSON Schema
NameRequiredDescriptionDefault
lago_idYesThe invoice's Lago id (UUID).
lago_get_planGet plan
Read-only
Inspect

Retrieve a single plan by code. Lago API: GET /plans/{code}.

ParametersJSON Schema
NameRequiredDescriptionDefault
codeYesThe plan's unique code.
lago_get_subscriptionGet subscription
Read-only
Inspect

Retrieve a single subscription by external id. Lago API: GET /subscriptions/{external_id}.

ParametersJSON Schema
NameRequiredDescriptionDefault
external_idYesThe subscription's external unique identifier.
lago_list_add_onsList add-ons
Read-only
Inspect

List add-ons, paginated. Lago API: GET /add_ons.

ParametersJSON Schema
NameRequiredDescriptionDefault
pageNoPage number for pagination.
per_pageNoNumber of records per page.
lago_list_billable_metricsList billable metrics
Read-only
Inspect

List billable metrics, paginated. Lago API: GET /billable_metrics.

ParametersJSON Schema
NameRequiredDescriptionDefault
pageNoPage number for pagination.
per_pageNoNumber of records per page.
lago_list_couponsList coupons
Read-only
Inspect

List coupons, paginated. Lago API: GET /coupons.

ParametersJSON Schema
NameRequiredDescriptionDefault
pageNoPage number for pagination.
per_pageNoNumber of records per page.
lago_list_credit_notesList credit notes
Read-only
Inspect

List credit notes, optionally filtered by customer. Lago API: GET /credit_notes.

ParametersJSON Schema
NameRequiredDescriptionDefault
pageNoPage number for pagination.
per_pageNoNumber of records per page.
external_customer_idNoFilter by customer external id.
lago_list_customersList customers
Read-only
Inspect

List customers in Lago, paginated. Lago API: GET /customers.

ParametersJSON Schema
NameRequiredDescriptionDefault
pageNoPage number for pagination.
per_pageNoNumber of records per page.
lago_list_customer_subscriptionsList customer subscriptions
Read-only
Inspect

List a customer's subscriptions. Lago API: GET /customers/{external_customer_id}/subscriptions.

ParametersJSON Schema
NameRequiredDescriptionDefault
external_customer_idYesThe customer external unique identifier.
lago_list_feesList fees
Read-only
Inspect

List fees, optionally filtered by customer, subscription, or fee type. Lago API: GET /fees.

ParametersJSON Schema
NameRequiredDescriptionDefault
pageNoPage number for pagination.
fee_typeNoFilter by fee type: charge | add_on | subscription | credit | commitment.
per_pageNoNumber of records per page.
external_customer_idNoFilter by customer external id.
external_subscription_idNoFilter by subscription external id.
lago_list_invoicesList invoices
Read-only
Inspect

List invoices, optionally filtered by customer, status, payment status, or issuing date. Lago API: GET /invoices.

ParametersJSON Schema
NameRequiredDescriptionDefault
pageNoPage number for pagination.
statusNoFilter by a single status: draft | finalized | failed | pending | voided.
per_pageNoNumber of records per page.
payment_statusNoFilter by a single payment status: pending | failed | succeeded.
issuing_date_toNoFilter invoices issued on/before this date (yyyy-mm-dd).
issuing_date_fromNoFilter invoices issued on/after this date (yyyy-mm-dd).
external_customer_idNoFilter by customer external id.
lago_list_plansList plans
Read-only
Inspect

List billing plans, paginated. Lago API: GET /plans.

ParametersJSON Schema
NameRequiredDescriptionDefault
pageNoPage number for pagination.
per_pageNoNumber of records per page.
lago_list_subscriptionsList subscriptions
Read-only
Inspect

List subscriptions, optionally filtered by customer, plan, or status. Lago API: GET /subscriptions.

ParametersJSON Schema
NameRequiredDescriptionDefault
pageNoPage number for pagination.
statusNoFilter by a single status: active | pending | canceled | terminated. Default active.
per_pageNoNumber of records per page.
plan_codeNoFilter by plan code.
external_customer_idNoFilter by customer external id.
lago_list_walletsList wallets
Read-only
Inspect

List a customer's prepaid credit wallets. Lago API: GET /customers/{external_customer_id}/wallets.

ParametersJSON Schema
NameRequiredDescriptionDefault
pageNoPage number for pagination.
per_pageNoNumber of records per page.
external_customer_idYesThe customer external unique identifier.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 24 tool updates
    • Changedlago_analytics_gross_revenue1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_analytics_mrr1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_create_customer1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_create_event5 fields changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
      • removedInput schema / properties / properties / additionalProperties / anyOf
        Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "number"
-  }
-]
      • addedInput schema / properties / properties / additionalProperties / type
        Added value: +[
+  "string",
+  "number"
+]
      • removedInput schema / properties / timestamp / anyOf
        Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "number"
-  }
-]
      • addedInput schema / properties / timestamp / type
        Added value: +[
+  "string",
+  "number"
+]
    • Changedlago_get_billable_metric1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_get_credit_note1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_get_customer1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_get_customer_current_usage1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_get_customer_past_usage1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_get_customer_portal_url1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_get_invoice1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_get_plan1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_get_subscription1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_list_add_ons1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_list_billable_metrics1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_list_coupons1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_list_credit_notes1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_list_customer_subscriptions1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_list_customers1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_list_fees1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_list_invoices1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_list_plans1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_list_subscriptions1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedlago_list_wallets1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
  2. 24 tool updates
    • First observedlago_analytics_gross_revenue
    • First observedlago_analytics_mrr
    • First observedlago_create_customer
    • First observedlago_create_event
    • First observedlago_get_billable_metric
    • First observedlago_get_credit_note
    • First observedlago_get_customer
    • First observedlago_get_customer_current_usage
    • First observedlago_get_customer_past_usage
    • First observedlago_get_customer_portal_url
    • First observedlago_get_invoice
    • First observedlago_get_plan
    • First observedlago_get_subscription
    • First observedlago_list_add_ons
    • First observedlago_list_billable_metrics
    • First observedlago_list_coupons
    • First observedlago_list_credit_notes
    • First observedlago_list_customer_subscriptions
    • First observedlago_list_customers
    • First observedlago_list_fees
    • First observedlago_list_invoices
    • First observedlago_list_plans
    • First observedlago_list_subscriptions
    • First observedlago_list_wallets

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