GraphQL API (ReasonKit MCP (Pro))

ReasonKit MCP (Pro) provides a flexible GraphQL endpoint for complex data fetching and real-time reasoning trace subscriptions.

Endpoint

https://api.reasonkit.sh/v1/graphql

Schema Overview

Queries

`thinkingChain(id: ID!): ReasoningChain`

Retrieve a specific reasoning chain by its unique ID.

`profiles: [Profile!]!`

List all available reasoning profiles.

Mutations

`executeReasoning(input: ThinkInput!): ReasoningChain!`

Trigger a new reasoning session.

Types

`ReasoningChain`

Field	Type	Description
`id`	`ID!`	Unique session identifier.
`timestamp`	`String!`	Start time (ISO8601).
`status`	`ChainStatus!`	`PENDING`, `RUNNING`, `COMPLETED`, `FAILED`.
`result`	`String`	The final synthesized answer.
`steps`	`[ReasoningStep!]!`	The list of discrete reasoning steps.
`metrics`	`Metrics!`	Usage and performance data.

`ReasoningStep`

Field	Type	Description
`stepId`	`Int!`	Sequence number.
`module`	`String!`	ThinkTool module name.
`phase`	`String!`	Internal phase identifier.
`content`	`String!`	The reasoning content.
`confidence`	`Float`	0.0 - 1.0 certainty score.

Example Query

query GetChainDetails($id: ID!) {
  thinkingChain(id: $id) {
    status
    result
    steps {
      stepId
      module
      content
      confidence
    }
    metrics {
      totalDurationMs
      totalTokens
    }
  }
}

Subscriptions (Real-time)

ReasonKit MCP (Pro) supports GraphQL Subscriptions over WebSockets for live reasoning traces.

subscription OnStepGenerated($chainId: ID!) {
  stepGenerated(chainId: $chainId) {
    stepId
    module
    content
  }
}

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ReasonKit Documentation