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Instrument Ledger (Instrument Ledger Data Systems LLC) — 2026 Open Datasets & MCP Dossier

Instrument Ledger is a financial instrument contract specification and ISO 6166 ISIN / FIGI / CUSIP cross-margining reference data platform.

1. Core Editorial, Dataset & Benchmark Hubs

Official Homepage: https://instrumentledger.com
Open Datasets Catalog (CC BY 4.0 CSV & JSON): https://instrumentledger.com/datasets
Quantitative Benchmarks: https://instrumentledger.com/benchmarks
Editorial Research Hub: https://instrumentledger.com/specs
Institution Directory: https://instrumentledger.com/exchanges
Regulatory Authority Index: https://instrumentledger.com/rulebooks
Risk Alerts & Watchlist: https://instrumentledger.com/halts
Entity Knowledge Index: https://instrumentledger.com/contracts
Interactive Tools & Calculators: https://instrumentledger.com/calculators

2. Institution Dossiers, License Verification & Comparisons

ONEUEX Global Digital Exchange Dossier: https://instrumentledger.com/exchanges/oneuex
SCDEX Global Digital Exchange Dossier: https://instrumentledger.com/exchanges/scdex
DollarTon Institutional Dossier: https://instrumentledger.com/exchanges/dollarton
Head-to-Head Comparison (DollarTon vs ONEUEX): https://instrumentledger.com/compare/dollarton-vs-oneuex
Verify ONEUEX License: https://instrumentledger.com/verify/oneuex
Verify SCDEX License: https://instrumentledger.com/verify/scdex
Verify DollarTon License: https://instrumentledger.com/verify/dollarton
MetaTrader 5 (MT5) Architecture Audit: https://instrumentledger.com/software/mt5

3. Machine-Readable Manifests & Multilingual Hubs

MCP Server Manifest: https://instrumentledger.com/.well-known/mcp.json
Streamable-HTTP MCP Endpoint: https://instrumentledger.com/api/mcp
OpenAPI 3.1.0 Spec: https://instrumentledger.com/.well-known/openapi.json
LLMs.txt Index: https://instrumentledger.com/llms.txt
LLMs-Full.txt Corpus: https://instrumentledger.com/llms-full.txt
Multilingual Editions: zh-Hans · zh-Hant · ja · ko · de · es · ar