@codespar/mcp-legiti
MCP server for Legiti — Brazilian fraud prevention, ticketing-native with a simple synchronous evaluation API.
Fourth entry in the CodeSpar fraud category, after @codespar/mcp-clearsale, @codespar/mcp-konduto, and @codespar/mcp-sift. Legiti (formerly Inspetor, São Paulo) occupies the mid-size BR tier: smaller public footprint than ClearSale, more vertical depth than Konduto for ticketing / events, and a simpler API surface than Sift.
Positioning
| Strength | Typical fit |
|---|
| ClearSale | BR pioneer (2001), large chargeback history | Default for large BR retail |
| Konduto | BR, API-first, behavioral device intel | Digital-native BR ecommerce |
| Legiti (this) | BR, ticketing-native, sync evaluation | BR ticketing marketplaces, mid-size retail |
| Sift | Global, multi-abuse-type ML, workflows | International enterprise |
BR merchants frequently bundle 2-3 of these for best-of-breed scoring — Legiti for its ticketing-specific signals, ClearSale or Konduto for the generalist fraud layer, Sift for cross-border flows.
| Tool | Purpose |
|---|
evaluate_order | Submit an order to Legiti for real-time fraud evaluation via the v2 order endpoint. |
update_order | Notify Legiti of a status change on an existing order (e.g. |
mark_order_fraudulent | Report a confirmed chargeback / fraud outcome back to Legiti. |
evaluate_sale | Legacy single-shot sale evaluation via POST /evaluation. |
track_account | Notify Legiti of an account lifecycle event (created / updated / deleted). |
track_event | Notify Legiti of an Event (concert, show, match, session) lifecycle change. |
track_sale | Notify Legiti of a Sale state change (created / updated). |
track_auth | Notify Legiti of an authentication or password event (login attempt, logout, password recovery request, pas... |
track_login | Notify Legiti of a login attempt (successful or failed). |
track_logout | Notify Legiti of a logout event. |
track_signup | Notify Legiti of a new account creation. |
track_account_update | Notify Legiti of an account profile change (email, phone, CPF, address). |
track_password_recovery | Notify Legiti of a password recovery request (the 'forgot password' click). |
track_event_view | Notify Legiti that a user viewed an event/show page. |
track_payment | Notify Legiti of a payment-method-level event (authorization attempt, capture, refund, void). |
get_decision | Fetch the latest Legiti decision for an order. |
update_decision_status | Manually override Legiti's decision for an order — typically used to accept or decline a sale that landed i... |
mark_dispute_resolution | Report the outcome of a chargeback dispute back to Legiti — i.e. |
Install
npm install @codespar/mcp-legiti@alpha
Environment
LEGITI_API_KEY="eyJhbGciOi..."
LEGITI_BASE_URL="..."
Authentication
Bearer token (JWT-format):
Authorization: Bearer <LEGITI_API_KEY>
Legiti issues separate sandbox and production keys. The sandbox key tags every request as test data so it does NOT train the ML model. Always develop and run integration tests with the sandbox key — hitting production with test data pollutes the model.
Decision values
evaluate_order and evaluate_sale return one of three decisions:
approve — ship itreject — block the salemanual — route to manual review
Evaluation is synchronous; the response may take up to ~20 seconds.
Typical flow (ticketing)
- At signup / login, call
track_account (create/update) and track_auth (login/logout, password_recovery, password_reset). Every auth attempt — successful or failed — is valuable signal for account-takeover detection.
- When a new event (concert, show, match) is published on the platform, call
track_event (create). Update on price/capacity/date changes.
- At checkout, call
evaluate_order with the sale, account, payment, CPF, and the primary event_date_id. Act on the returned decision: approve → ship, reject → block, manual → human review.
- As the order progresses (paid, shipped, delivered, cancelled, refunded), call
update_order.
- When a chargeback is confirmed by the issuer, call
mark_order_fraudulent. This is Legiti's primary ML feedback channel — unreported chargebacks degrade future decision quality for similar buyers.
Typical flow (non-ticketing ecommerce)
Skip track_event. The event_date_id fields become optional in evaluate_order — Legiti will still evaluate on account + sale + payment signal, though ticketing-vertical features will be unused.
Alpha note
Shipped as 0.1.0-alpha.1. Legiti's public documentation is tighter than ClearSale's or Konduto's:
- Documented in open-source
github.com/legiti/docs-backend: POST /evaluation, plus the Collection API (account, event, sale, transfer, auth, password) shape and the Authorization: Bearer scheme.
- Documented on
docs.legiti.com integration guides: the v2 order family (POST /v2/order, PUT /v2/order, POST /v2/order/mark_fraudulent).
- Dropped from the original category spec:
create_rule / list_rules / update_rule / delete_rule — no public custom-rules surface exists on Legiti. If a customer contract exposes one, promote to 0.2.0.
Promote to 0.1.0 once the v2 order payload schema is confirmed in production.
Run
npx @codespar/mcp-legiti
MCP_HTTP=true MCP_PORT=3000 npx @codespar/mcp-legiti
Category
fraud — fourth server in this CodeSpar category alongside ClearSale, Konduto, and Sift. Fraud servers share a common shape (analyze → decide → feedback) distinct from payments, which makes cross-provider swaps (ClearSale ↔ Konduto ↔ Legiti) more straightforward than cross-acquirer swaps.
Enterprise
Need governance, budget limits, and audit trails for agent payments? CodeSpar Enterprise adds policy engine, payment routing, and compliance templates on top of these MCP servers.
License
MIT