London Stock Exchange Group LSEG World-Check One API — Client-Watchlist

London Stock Exchange Group LSEG World-Check One API — Client-Watchlist. 2 operations. Lead operation: London Stock Exchange Group Create or update a provider source. Self-contained Naftiko capability covering one London Stock Exchange Group business surface.

Run with Naftiko London Stock Exchange GroupClient-Watchlist

What You Can Do

PUT
Createorupdateprovidersource — London Stock Exchange Group Create or update a provider source
/v1/reference/providers/sources/{identifier}
POST
Savewatchlist — London Stock Exchange Group Maintain your Watchlist data
/v1/reference/watchlist

MCP Tools

london-stock-exchange-group-create

London Stock Exchange Group Create or update a provider source

idempotent
london-stock-exchange-group-maintain

London Stock Exchange Group Maintain your Watchlist data

read-only

Capability Spec

lseg-world-check-one-client-watchlist.yaml Raw ↑
naftiko: 1.0.0-alpha2
info:
  label: London Stock Exchange Group LSEG World-Check One API — Client-Watchlist
  description: 'London Stock Exchange Group LSEG World-Check One API — Client-Watchlist. 2 operations. Lead operation: London
    Stock Exchange Group Create or update a provider source. Self-contained Naftiko capability covering one London Stock Exchange
    Group business surface.'
  tags:
  - London Stock Exchange Group
  - Client-Watchlist
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    LONDON_STOCK_EXCHANGE_GROUP_API_KEY: LONDON_STOCK_EXCHANGE_GROUP_API_KEY
capability:
  consumes:
  - type: http
    namespace: lseg-world-check-one-client-watchlist
    baseUri: https://api-worldcheck.refinitiv.com/v2
    description: London Stock Exchange Group LSEG World-Check One API — Client-Watchlist business capability. Self-contained,
      no shared references.
    resources:
    - name: reference-providers-sources-identifier
      path: /reference/providers/sources/{identifier}
      operations:
      - name: createorupdateprovidersource
        method: PUT
        description: London Stock Exchange Group Create or update a provider source
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: Authorization
          in: header
          type: string
          description: The authorization credentials including 'keyId', 'algorithm', 'headers', 'signature' (see 'Security
            and Authentication details' documentation section for more d
          required: true
        - name: Date
          in: header
          type: string
          description: The date and time at which the message was originated in 'RFC 1123' format
          required: true
        - name: Content-Type
          in: header
          type: string
          description: The media type of the request (e.g., 'application/json')
          required: true
        - name: Content-Length
          in: header
          type: integer
          description: The length of the request body in octets (8-bit bytes)
          required: true
        - name: identifier
          in: path
          type: string
          description: Unique identifier for this provider source. Has to be alphanumeric.
          required: true
        - name: providerSource
          in: body
          type: string
          description: Provider source details
          required: true
    - name: reference-watchlist
      path: /reference/watchlist
      operations:
      - name: savewatchlist
        method: POST
        description: London Stock Exchange Group Maintain your Watchlist data
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: Authorization
          in: header
          type: string
          description: The authorization credentials including 'keyId', 'algorithm', 'headers', 'signature' (see 'Security
            and Authentication details' documentation section for more d
          required: true
        - name: Date
          in: header
          type: string
          description: The date and time at which the message was originated in 'RFC 1123' format
          required: true
        - name: Content-Type
          in: header
          type: string
          description: The media type of the request (e.g., 'application/json')
          required: true
        - name: Content-Length
          in: header
          type: integer
          description: The length of the request body in octets (8-bit bytes)
          required: true
        - name: watchlistDataSet
          in: body
          type: string
          description: A collection of maintenance actions to be performed on your Watchlist.
          required: true
  exposes:
  - type: rest
    namespace: lseg-world-check-one-client-watchlist-rest
    port: 8080
    description: REST adapter for London Stock Exchange Group LSEG World-Check One API — Client-Watchlist. One Spectral-compliant
      resource per consumed operation, prefixed with /v1.
    resources:
    - path: /v1/reference/providers/sources/{identifier}
      name: reference-providers-sources-identifier
      description: REST surface for reference-providers-sources-identifier.
      operations:
      - method: PUT
        name: createorupdateprovidersource
        description: London Stock Exchange Group Create or update a provider source
        call: lseg-world-check-one-client-watchlist.createorupdateprovidersource
        with:
          Authorization: rest.Authorization
          Date: rest.Date
          Content-Type: rest.Content-Type
          Content-Length: rest.Content-Length
          identifier: rest.identifier
          providerSource: rest.providerSource
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/reference/watchlist
      name: reference-watchlist
      description: REST surface for reference-watchlist.
      operations:
      - method: POST
        name: savewatchlist
        description: London Stock Exchange Group Maintain your Watchlist data
        call: lseg-world-check-one-client-watchlist.savewatchlist
        with:
          Authorization: rest.Authorization
          Date: rest.Date
          Content-Type: rest.Content-Type
          Content-Length: rest.Content-Length
          watchlistDataSet: rest.watchlistDataSet
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: lseg-world-check-one-client-watchlist-mcp
    port: 9090
    transport: http
    description: MCP adapter for London Stock Exchange Group LSEG World-Check One API — Client-Watchlist. One tool per consumed
      operation, routed inline through this capability's consumes block.
    tools:
    - name: london-stock-exchange-group-create
      description: London Stock Exchange Group Create or update a provider source
      hints:
        readOnly: false
        destructive: false
        idempotent: true
      call: lseg-world-check-one-client-watchlist.createorupdateprovidersource
      with:
        Authorization: tools.Authorization
        Date: tools.Date
        Content-Type: tools.Content-Type
        Content-Length: tools.Content-Length
        identifier: tools.identifier
        providerSource: tools.providerSource
      outputParameters:
      - type: object
        mapping: $.
    - name: london-stock-exchange-group-maintain
      description: London Stock Exchange Group Maintain your Watchlist data
      hints:
        readOnly: true
        destructive: false
        idempotent: false
      call: lseg-world-check-one-client-watchlist.savewatchlist
      with:
        Authorization: tools.Authorization
        Date: tools.Date
        Content-Type: tools.Content-Type
        Content-Length: tools.Content-Length
        watchlistDataSet: tools.watchlistDataSet
      outputParameters:
      - type: object
        mapping: $.