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PreReason
Financial market briefings API and MCP server that gives AI agents dated, sourced macro, rates, FX, commodity and Bitcoin context.
What is PreReason?
PreReason is a market data service built for AI agents and developers who do not want to stitch together a dozen data feeds. A single REST call or MCP request returns a briefing that already includes the interpretation: trend direction, momentum over 7, 30 and 90 days, percentile ranks, cross-asset correlations and a regime label. The catalog has 33 briefings across seven asset classes, built from 127 metrics, with 293 metrics available individually, plus company briefings for the USA and, on Pro, other regions. Every figure carries its date and named source, and responses come as markdown or JSON. It connects to Claude Desktop, Claude Code, Cursor and Windsurf through an MCP package, and the open-source PrimerKit app can read the briefings. The Free plan costs $0 and allows 100 calls a day. Basic is $15.99 per month, Pro is $39.99 per month and Business is $833 per month, all billed yearly. The site states it is not investment advice.
Use cases
- Give an AI agent market context via MCP
- Pull a macro snapshot in one API call
- Track Treasury yields and net liquidity
- Monitor Bitcoin metrics and ETF flows
- Check cross-asset correlations
- Receive webhooks for market updates
- Backtest agent strategies on structured briefings
Who it's for
Why use PreReason
- Replaces several data sources and formats with one dated, sourced call.
- Interpretation such as trend, percentile and regime comes with the numbers, saving an agent extra reasoning steps.
- Works through MCP in tools developers already use, and over plain REST for everything else.
- A free tier with real briefings lets you test before paying.
- Pay-per-call access suits agents that do not need a subscription.
PreReason features
- 33 briefings across 7 asset classes
- 293 individual metrics
- Trend, momentum, percentile and regime labels
- Markdown and JSON responses
- Dated figures with named sources
- MCP package for Claude Desktop, Claude Code, Cursor and Windsurf
- Company briefings for USA, Japan, Korea, India, UK and parts of Europe on Pro
- Webhooks and activity log on paid plans
- Usage dashboard and API keys
- Pay-per-call option in USDC with no account
- Display and redistribution licences on higher tiers
PreReason integrations
How to get started with PreReason
- Sign up free and create an API key, or use the pay-per-call option with no account.
- Install the MCP package in your agent app, or call the REST endpoint for a briefing such as macro.snapshot.
- Receive the briefing as markdown or JSON, with dated figures and named sources.
- Feed it to your model or agent, and add webhooks or higher plans for more history and briefings.
PreReason limitations
- Free plan: 100 calls per day, up to 30 per hour, and backdating limited to a rolling 30 days
- Free covers 6 briefings, Basic 20 and Pro all 33
- Basic and Pro prices are founding prices for the first 100 and 50 subscribers
- Provides market context, not investment advice
PreReason pricing
Yes, PreReason has a free plan. Paid plans start at $15.99 per month, according to the official pricing page on .
PreReason plans
Free
$0/mo
- Up to 100 calls a day
- 6 free briefings
- Latest readings for all 293 metrics
- Rolling 30-day backdate
- 2 API keys
Basic
$15.99/mo
founding price, billed yearly; $40 a month after the first 100 subscribers
- Up to 7,000 calls a day
- 20 briefings
- 253 of 293 metrics in full
- Up to 3 years of history
- 5 API keys
- Webhooks
Pro
$39.99/mo
founding price, billed yearly; $120 a month after the first 50 subscribers
- Up to 35,000 calls a day
- All 33 briefings
- All 293 metrics in full
- 25+ years of history
- 10 API keys
- Company briefings in several regions
Business
$833/mo
$10,000 billed yearly
- Up to 100,000 calls a day
- Display licence
- 20 API keys
- 25 webhook endpoints
- IP allow list on each key
Enterprise
Custom
- Limits above Business
- Redistribution licence
- Custom connections
- Uptime and support terms
Plans as listed on the official pricing page on . Prices can change and may vary by country or exclude tax. Check the official pricing page.
PreReason alternatives
The main PreReason alternatives listed on Debuly are Lovelace, Edgrapi, You.com API, Zep, Cognee and E2B. The table compares pricing and platforms; order is A–Z.
| Tool | Pricing | Starting price | Platforms |
|---|---|---|---|
| PreReason | Freemium | $15.99/mo | API, Web, MCP server |
| Cognee | Freemium | $1, usage-based | Web, API, Self-hosted, MCP server |
| E2B | Freemium | $150/mo | API, CLI, Web, Python SDK |
| Edgrapi | Freemium | $10/mo | API, MCP server |
| Lovelace | Contact sales | — | — |
| You.com API | Freemium | $5, usage-based | API, Web |
| Zep | Freemium | — | API |
Cognee
Open-source memory engine for AI agents that combines vector search, knowledge graphs and relational storage, with a hosted cloud.
FreemiumVisit Cognee (official site)
E2B
Cloud sandboxes where AI agents run code safely, with Python and JavaScript SDKs and per-second usage billing.
FreemiumVisit E2B (official site)
Edgrapi
US government data API and hosted MCP server serving SEC EDGAR, SAM.gov, USAspending, Grants.gov and Congress trades as clean JSON.
FreemiumVisit Edgrapi (official site)
Lovelace
Lovelace builds Elemental, a context engine that turns enterprise data into knowledge graphs for AI agents.
Contact salesVisit Lovelace (official site)
You.com API
You.com API provides real-time web search, page contents, cited answers and multi-step research endpoints for AI apps, billed per call.
Zep
Managed memory and context platform for AI agents, built on the Graphiti knowledge graph, with Python, TypeScript and Go SDKs.
FreemiumVisit Zep (official site)
PreReason FAQ
How much does PreReason cost?
Free is $0 per month. Basic is $15.99 per month and Pro is $39.99 per month at founding prices billed yearly, rising to $40 and $120 per month. Business is $833 per month, billed yearly at $10,000.
Is there a free plan for PreReason?
Yes. Free includes 6 briefings, latest readings for all 293 metrics, 2 API keys and up to 100 calls a day, with no card needed.
What plans does PreReason have?
Free, Basic, Pro, Business and a custom Enterprise tier. Higher tiers add briefings, history length, API keys, webhooks and licences.
Does PreReason have an API or MCP integration?
Yes. It offers a REST API and an MCP package that works with Claude Desktop, Claude Code, Cursor and Windsurf.
Can I pay per call instead of subscribing?
Yes. The pricing page lists pay-per-call access from $0.01 in USDC with no account.
Is PreReason investment advice?
No. The site states it is not investment advice and provides market context only.
Sources & verification
Facts on this page come from the official sources below, each with the date we read it. Written by Debuly; the vendor did not review this page.
| Source | Type | Accessed |
|---|---|---|
| prereason.com/ | official | |
| prereason.com/pricing | pricing | |
| prereason.com/briefings | official |
Image credits
- Logo: from prereason.com · fetched · Vendor trademark, used only to identify the product; removed on request
- Cover: none collected yet, so a generated tile is shown.
Spot an error? Report an issue with this listing. We also remove a logo or image on the owner's request.
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