# SpecJoin

> Reviewed computer and accessory specifications and compatibility for retailers, developers and IT teams. REST API, read-only evaluation MCP server and periodic downloads.

## Start here
- [Agent access](https://specjoin.com/docs/agents): MCP tools, examples and limits.
- [API documentation](https://specjoin.com/docs): Product search, accessory checks and integration.
- [OpenAPI contract](https://specjoin.com/api/openapi.json): REST endpoints and schemas.
- [Field reference](https://specjoin.com/docs/reference): Identities, status, requirements, sources and pagination.
- [Current catalogue](https://specjoin.com/#coverage): Search reviewed products; a listed product does not establish pair compatibility.
- [Periodic downloads](https://specjoin.com/docs/downloads): CSV sample and import guidance.
- [Production access](https://specjoin.com/docs/access): Subscription and server-side API keys.

## Agent interface
- [Remote MCP](https://specjoin.peanut20.chatgpt.site/mcp): Streamable HTTP POST, read-only free evaluation. OpenAI OAuth sign-in required.
- [MCP server card](https://specjoin.com/.well-known/mcp/server-card.json): Tool discovery metadata.
- [Plain-text integration reference](https://specjoin.com/agent-guide.txt): Workflow and interpretation.

## Scope and interpretation
Computers, docks, monitors, power supplies, cables and adapters. Focus: connections, screens and charging. No prices, stock, memory/storage upgrades, complete manufacturer catalogue or physical certification.
Resolve the manufacturer, exact model and optional port configuration before checking fit. SpecJoin IDs are internal identifiers, not universal SKUs. Unknown is not unsupported. Conditional results require their stated cable, software, power and operating-system conditions. Preserve source references and review dates. HTTP 200 does not mean compatible.
Evaluation is free and rate-limited. Production use requires a separate agreement. Match results to your own stock; do not send customer, order or private inventory data.

## Examples
- [Laptop and dock matrix](https://specjoin.com/tools/laptop-dock-compatibility-matrix): Actual pair checks, separate screen and charging findings.
- [Part-number lookup](https://specjoin.com/tools/manufacturer-part-number-lookup): Exact and ambiguous identity.
- [Store integration](https://specjoin.com/guides/compatible-accessory-recommendations): Local product-code matching.
- [Hardware product feeds](https://specjoin.com/guides/hardware-product-data-feed): Compatibility versus inventory.