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MCP Data Platforms vs MCP Gateways

Two categories share the MCP label and solve different problems. A gateway governs traffic: who may call which tool, over which connection, with what audit trail. A data platform serves data: it runs the query, attaches what the result means, and remembers what your team learned. Plexara is the managed MCP data platform, and it carries its own gateways: an API gateway that turns REST, GraphQL, and SOAP services into tools, and an MCP gateway that adds catalog context to the tools of servers you already run. Gateways route calls; Plexara adds meaning and memory to them. This page defines the categories so you can grade any vendor, including us.

The category line

What governs traffic vs what serves data

The quickest test: look at what the agent receives back. A gateway hands your agent a connection. A data platform hands your agent an answer that already carries its meaning.

MCP gatewayMCP data platform
Core jobRoute, authenticate, and observe MCP tool callsExecute queries and return governed, context-rich results
What the agent receivesWhatever the backend server returned, relayed as-isResults enriched with ownership, definitions, and lineage from the catalog
Knowledge across toolsNone: each connected server keeps its own stateMemory and insights captured once surface on every relevant response
SearchA registry of servers and toolsOne semantic search across data, metadata, knowledge, and API operations
Governance pointAt the connection: which tools are reachableAt execution: what each persona sees inside every result
API gatewayConnectors to supported APIs, relayed as toolsREST, GraphQL, and SOAP services become tools from their own specs, enriched and governed like data tools
MCP gatewayRoutes and authenticates calls; responses relayed as-isOther MCP servers join the same endpoint, and their responses arrive with catalog context added
AutomationsCalls run while an agent session drives themYour agent builds the automation, a person approves what it does in plain language, and it runs with no agent in the loop
Events inTraffic flows from agents to toolsOther systems send their webhooks; each sender is verified and events are queryable as a table as soon as they are acknowledged
Delivery outResults return to the agent that made the callResults posted to people on Mattermost and email lists, and delivered to systems signed so the receiver can verify the sender
Representative vendorsArcade, MintMCP, Kong, ComposioPlexara, warehouse-native MCP servers

The categories are complementary, and large deployments often run both: a gateway as the front door for the tool sprawl an enterprise accumulates, and a data platform behind it doing the data work. What a gateway cannot do, no matter how many servers it fronts, is make independent servers behave like one platform. Each server stays blind to the others. Routing, authentication, and audit are the baseline both categories share. The difference is what happens after the call: whether the result carries its meaning, whether the lesson is kept, and whether the work can run again without an agent driving it.

Grade any vendor

Five questions that sort the category

Ask these of any product wearing the MCP label, ours included. Does a query result arrive with the business meaning of its columns attached, or does the agent get raw rows? Can something learned in one tool surface in another, or does each connection keep its own state? Is there one search across data, metadata, and accumulated knowledge, or one registry of tools? Is access decided per persona at execution time, or per connection at setup time? And when you leave, is what your team authored readable without the product?

Plexara answers all five as a data platform: enrichment on every response, memory and knowledge shared across every surface, one semantic search, personas enforced on each tool call, and metadata stored in DataHub in open formats. The benchmark report measures what that context layer is worth: the same agent went from 42.7% to 98.7% correct on business-context questions when the platform was turned on.

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See the numbers behind the claims

A controlled benchmark isolating what the platform contributes, with reproduction commands.