MCP server

Edgethirteen Numbercheck Official

com.edgethirteen.www/numbercheck

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Checks $TICKER numeric claims in financial writing against SEC EDGAR XBRL data from the latest 10-K.

Working at last checkVerified publisher: edgethirteen.comAbout 155 tokens per request once connected1 tools

https://www.edgethirteen.com/api/mcp/numbercheck

At a glance

Type: MCP server
Publisher: edgethirteen.com (verified by the MCP Registry)
Status: Working at last check
Tools: 1
Token cost: About 155 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http numbercheck https://www.edgethirteen.com/api/mcp/numbercheck

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.numbercheck]
url = "https://www.edgethirteen.com/api/mcp/numbercheck"

Gemini CLI

{"mcpServers":{"numbercheck":{"httpUrl":"https://www.edgethirteen.com/api/mcp/numbercheck"}}}

Cursor

{"mcpServers":{"numbercheck":{"url":"https://www.edgethirteen.com/api/mcp/numbercheck"}}}

VS Code

{"servers":{"numbercheck":{"type":"http","url":"https://www.edgethirteen.com/api/mcp/numbercheck"}}}

Antigravity

agy mcp add numbercheck https://www.edgethirteen.com/api/mcp/numbercheck

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"numbercheck","server_url":"https://www.edgethirteen.com/api/mcp/numbercheck","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"numbercheck","server_url":"https://www.edgethirteen.com/api/mcp/numbercheck"}

check_financial_numbers ~155 tokens
Check $CASHTAG-style ticker mentions (e.g. $AAPL) in a piece of financial writing against SEC EDGAR's own XBRL company-facts data for that company's most recent 10-K -- EPS, book value per share, revenue, market cap, total assets, total liabilities. Flags numeric claims that don't match the filed fi

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