DalalOS

DalalOS exposes structured Indian-market research data to MCP-compatible clients, including:

- company and security search;
- end-of-day quotes and price history;
- company financial statements and mechanically-computed ratios;
- peer and sector comparison data;
- shareholding and promoter-pledge data;
- corporate actions, results, filings and disclosed events;
- screening, indices and market context;
- official macro/reference datasets used for research context; and
- an account-scoped DalalOS watchlist.

Data is sourced from official and public Indian-market sources such as NSE archives, BSE official interfaces and exchange filings, SEBI-mandated BSE-XBRL filings, and the named official public-sector publisher for supported macro/reference datasets.

- Not real-time:quote-style stock-market data is end-of-day, not a live tick or order-book feed.
- Research, not execution:DalalOS is not a broker and does not place market orders or execute trades.
- No investment advice:DalalOS returns sourced facts and mechanically-computed measures, not buy/sell calls, target prices or investment recommendations.
- Read/write scope:market-data research tools are read-only. The explicit write exception is the caller's own DalalOS watchlist, where authenticated users can add or remove symbols.
- Missing data stays explicit:unsupported, unavailable or stale coverage is surfaced rather than replaced with invented values.

Use the hosted streamable-HTTP endpoint:

OAuth is the preferred authentication path for clients that support it. API-key Bearer authentication is available as a fallback for compatible clients that require it.

It intentionally doesnotpublish tool implementation modules, input-schema hashes, REST mappings, storage/cache details, source-adapter logic, refresh mechanics, deployment information, credentials, or other backend internals.

Deprecated compatibility aliases remain in the registered-name list but are excluded frompreferred_tool_count, so directories and product surfaces can avoid inflating capability counts with old aliases.

That existing identity is intentionally preserved so the hosted endpoint has one canonical Registry record. Registry metadata changes must be published using credentials authorized for that existing namespace; this public repository does not store those credentials.

This repository is thepublic project, integration and discovery surfacefor DalalOS. It exists so users, MCP registries, AI-tool directories and open-source ecosystem lists have a stable public GitHub reference for the hosted service.

It intentionally doesnotcontain the DalalOS backend implementation. In particular, this repository does not publish internal ingestion logic, database/cache schemas, source-adapter code, deployment topology, credentials, private operational tooling, private issue/PR history, or unpublished architecture.

Public files in this repository are limited to integration metadata, connection documentation, public capability/provenance descriptions and safe usage examples.

DalalOS is not affiliated with or endorsed by NSE, BSE, SEBI, OpenAI, Anthropic, Cursor, or another AI-client vendor unless explicitly stated otherwise by that party.

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