# MSCI

**Canonical:** https://apis.io/providers/msci/  
**Website:** https://www.msci.com  
**APIs profiled:** 10

MSCI is a leading provider of critical decision support tools and services for the global investment community, publishing indexes, ESG and climate ratings, risk analytics, and real estate and private asset data. The MSCI Developer Community at developer.msci.com catalogs thirty-plus REST APIs spanning index performance and constituents, ESG data and reports, sustainability and climate on-demand data, risk and instrument analytics, portfolio optimization, real estate performance, and private capital metrics, alongside an official Python SDK and the MSCI Connector, a Model Context Protocol server listed in the Claude connector directory.

## Kin Score — 21.7 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 21.7).

| Facet | Score |
|---|---|
| Discoverability | 92.6 |
| Contract Quality | 0.0 |
| Governance | 18.2 |
| Contract Governance | 18.2 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 27.6 |
| Access Clarity | 27.6 |

## Agent readiness — 8.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## APIs (10)

- **MSCI Index API** — REST APIs for MSCI index data including index levels and performance, constituents, security master, dividends, and corporate events for MSCI indexes across supported variants a...
- **MSCI Real Time Index API** — Real-time index and factor data API delivering intraday index levels for MSCI indexes.
- **MSCI ESG Data API** — Retrieve current day and historical ESG data for entitled issuers, providing access to thousands of ESG data points including MSCI ESG Ratings and underlying raw data.
- **MSCI ESG Report API** — Access ESG documents and reports for companies, funds, and industries as PDF and HTML documents.
- **MSCI Sustainability and Climate On-Demand API** — On-demand access to MSCI sustainability and climate datasets, including climate metrics for portfolio and issuer analysis.
- **MSCI Risk Analytics API** — RiskMetrics RiskManager-based analytics APIs for risk measurement, stress testing, and exposure analysis across portfolios.
- **MSCI Instrument Analytics API** — Instrument-level analytics API for pricing and risk measures across asset classes using MSCI models.
- **MSCI Optimization Service API** — Portfolio optimization service from MSCI Quantitative Investment Solutions supporting portfolio and tax-lot upload in JSON and tax-aware optimizations; accessible through the of...
- **MSCI Real Estate Performance and Risk Data API** — Real estate index and market data API covering property fund and asset performance and risk data across global markets.
- **MSCI Private Asset and Deal Metrics API** — Private capital data API providing asset and deal-level metrics for private asset funds and portfolios.

## MCP servers (1)

- **MSCI Connector**

## Security (2)

- **Msci Authentication** — oauth2/openIdConnect · 3 schemes
- **Msci Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Financial Data, Indexes, ESG, Climate, Risk Analytics, Real-Estate, Private Assets, Investing

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/msci/). Scores are computed from the provider's own public artifacts under a published rubric.