MCP server

Isin

io.github.pipeworx-io/isin

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

Securities-identifier validation MCP (ISIN / CUSIP).

Website Source

At a glance

Type

MCP server

Publisher

pipeworx.io (verified by the MCP Registry)

Status

Working at last check

Tools

45

Token cost

About 26,701 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

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

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 isin https://gateway.pipeworx.io/isin/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.isin]
url = "https://gateway.pipeworx.io/isin/mcp"

Gemini CLI

{"mcpServers":{"isin":{"httpUrl":"https://gateway.pipeworx.io/isin/mcp"}}}

Cursor

{"mcpServers":{"isin":{"url":"https://gateway.pipeworx.io/isin/mcp"}}}

VS Code

{"servers":{"isin":{"type":"http","url":"https://gateway.pipeworx.io/isin/mcp"}}}

Antigravity

agy mcp add isin https://gateway.pipeworx.io/isin/mcp

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":"isin","server_url":"https://gateway.pipeworx.io/isin/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"isin","server_url":"https://gateway.pipeworx.io/isin/mcp"}

Tools

• cusip_to_isin ~150 tokens
  Convert a CUSIP to its ISIN by prefixing the country code (default "US") and appending the computed ISIN check digit. E.g. CUSIP "037833100" -> "US0378331005".
• validate_cusip ~105 tokens
  Validate a CUSIP (9-char US/Canada securities identifier, e.g. "037833100"). Checks structure + the check digit.
• validate_isin ~143 tokens
  Validate an ISIN (International Securities Identification Number, ISO 6166 — 12 chars, e.g. "US0378331005"). Checks structure + the mod-10 check digit and returns the ISO country prefix and NSIN. Keyless/offline; does NOT resolve the issuer.

Browse

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