The request names tickerseer, which is an AI stock valuation service that re-rates U.S.-traded stocks weekly and publishes its calls on a public ledger 1. Its official MCP server is listed as com.tickerseer/tickerseer 1. The alternatives below are market data APIs rather than valuation tools, so they cover data access for building one's own analysis.
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tickerseertickerseer.comwebsite read, tools not yet checked
Weekly AI re-rating of 1,000+ U.S.-traded stocks on valuation and expected return, with earnings-week plays and a public ledger of its calls, offered through an MCP server 1.
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Polygonpolygon.ioverified and signed
Stock API with real-time and historical tick data over REST or WebSockets, with actions for last quotes and last trades per symbol 414.
official:API · Polygon
for agents: GET /v1/last_quote/stocks/{symbol} · GET /v1/last/stocks/{symbol} · GET /v1/historic/forex/{from}/{to}/{date}
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Sources
- 1tickerseer · AI Stock Valuation, with Receiptstickerseer.com · read 2026-10-29
- 2TickDB | Real-Time Market Data API for Stocks, Forex & Futurestickdb.ai · read 2026-10-29
- 4Stock Market API | Massivemassive.com · read 2026-10-29
- 6FinzData: Stocks, Options, Futures & Crypto Data APIfinzdata.com · read 2026-10-29
- 14Polygon: declares "GET /v1/last_quote/stocks/{symbol}" (the record we read and signed)unfragile.ai · read 2026-10-24
- 16FinzData: declares "US stock prices, delisted included" (the record we read and signed)unfragile.ai · read 2026-10-24
For agents: the 10 actions behind this answer
· tickerseer website read, tools not yet checked
tickerseer re-rates 1,000+ U.S.-traded stocks weekly on valuation and expected return. Every call it publishes goes on a public ledger, win or lose.
· TickDB website read, tools not yet checked
TickDB provides real-time market data via REST and WebSocket APIs for stocks, forex, metals, indices, China and Hong Kong futures, and crypto.
· TickerLayer website read, tools not yet checked
Build with simple REST APIs and WebSocket streams for real-time and historical market data across stocks, forex, crypto, commodities, indices, and ETFs.
GET /v1/last_quote/stocks/{symbol} · Polygon verified and signed
Last Quote for a Symbol
· Alpha Vantage website read, tools not yet checked
Alpha Vantage offers free stock APIs in JSON and CSV formats for realtime and historical stock market data, options, forex, commodity, cryptocurrency feeds and over 50 technical indicators. Global market news API and sentiment scores powered by AI and machine learning. Supports intraday, daily, week
US stock prices, delisted included · FinzData verified and signed
Survivorship-free daily and intraday bars for ~16,000 US stocks (8,500+ delisted), 26+ years, plus ETFs. e.g. Daily bars for AAPL since 2000 e.g. Intraday 1-minute SPY for March 2020 e.g. List delisted US stocks with prices
· Twelve Data website read, tools not yet checked
Try Twelve Data financial APIs for free with instant access to stock, forex, cryptocurrency, and fundamental market data. Real time, historical, and EOD data.
· Finnhub website read, tools not yet checked
Finnhub - Free stock API for realtime market data, global company fundamentals, economic data, and alternative data.
· TickerDB website read, tools not yet checked
Give AI agents raw OHLCV plus hundreds of pre-computed indicators, market states, and state changes through API, MCP, and SDKs.
· QuantSonar website read, tools not yet checked
QuantSonar is a hosted China stock data API for A-shares, ETFs and financials, available through a Python SDK, MCP server and REST for research and AI agents.
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.