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Other Disclosures8698Monex Group,Inc.Financials (excluding banks)

Monex Securities launches the "MONEX MCP Server," becoming the first major securities firm to support "ChatGPT plugins"

Monex Securities launched MONEX MCP Server on 19 August 2026, enabling users to access account information and investment-related information through natural-language conversations with ChatGPT and Claude. It can be used as a plugin reviewed and approved by OpenAI in ChatGPT, and as a custom connector in Claude.

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Announced details

MONEX MCP ServerChatGPT pluginClaude custom connector
Applicable field (uses covered by this announcement)
Securities ServicesAccess to account informationReview of investment-related information
Launch date19 August 2026 (actual)
Relationship between the counterparty and the company
Monex Group,Inc.8698
Relationship with the Company

The relationship involves integrating Monex Securities' services with ChatGPT and Claude. The relationship with OpenAI concerns the review and approval of the plugin, while the relationship with Anthropic concerns Claude's custom connector. Capital and personnel relationships are Not disclosed.

CounterpartyOpenAIAnthropic

OpenAI provides ChatGPT, while Anthropic provides Claude. Other information, including location, representative, capital and year of establishment, is Not disclosed.

Location (as indicated in this announcement)

Minato-ku, Tokyo (Monex Securities' head office)

Impact on Business Performance

The company expects the service to expand points of contact with customers and opportunities to use its services, leading to more active trading and an expanded customer base. Specific amounts and ratios are Not disclosed.

The company does not address Contract Value / Offering price.

Source (materials cited by the company)

Based on research by Monex Securities using the official websites, news releases and publicly available information of the relevant companies as of 19 August 2026

Announced details
ItemDetails
Names of Products / Services CoveredMONEX MCP Server, ChatGPT plugin, Claude custom connector
CounterpartyOpenAI, Anthropic
Counterparty overviewOpenAI provides ChatGPT, while Anthropic provides Claude. Other information, including location, representative, capital and year of establishment, is Not disclosed.
Relationship with the CompanyThe relationship involves integrating Monex Securities' services with ChatGPT and Claude. The relationship with OpenAI concerns the review and approval of the plugin, while the relationship with Anthropic concerns Claude's custom connector. Capital and personnel relationships are Not disclosed.
Launch date19 August 2026 (actual)
Applicable areaSecurities Services, Access to account information, Review of investment-related information
LocationMinato-ku, Tokyo (Monex Securities' head office)
Impact on Business PerformanceThe company expects the service to expand points of contact with customers and opportunities to use its services, leading to more active trading and an expanded customer base. Specific amounts and ratios are Not disclosed.
SourceBased on research by Monex Securities using the official websites, news releases and publicly available information of the relevant companies as of 19 August 2026
Items this document does not state (9)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocation scaleQuantitative EffectsUsage history

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

To meet demand for easy access to asset positions, transaction histories and other information through generative AI, and to provide new services using the latest technology.

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Monex Securities launches the "MONEX MCP Server," becoming the first major securities firm to support "ChatGPT plugins" | Monex Group,Inc. (8698) timely disclosure | Komori