Hiro · Capability

Stacks Blockchain API — Mempool

Stacks Blockchain API — Mempool. 1 operations. Lead operation: Get mempool transaction fee priorities. Self-contained Naftiko capability covering one Hiro business surface.

Run with Naftiko HiroMempool

What You Can Do

GET
Getmempoolfeepriorities — Get mempool transaction fee priorities
/v1/extended/v2/mempool/fees

MCP Tools

get-mempool-transaction-fee-priorities

Get mempool transaction fee priorities

read-only idempotent

Capability Spec

stacks-blockchain-mempool.yaml Raw ↑
naftiko: 1.0.0-alpha2
info:
  label: Stacks Blockchain API — Mempool
  description: 'Stacks Blockchain API — Mempool. 1 operations. Lead operation: Get mempool transaction fee priorities. Self-contained
    Naftiko capability covering one Hiro business surface.'
  tags:
  - Hiro
  - Mempool
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    HIRO_API_KEY: HIRO_API_KEY
capability:
  consumes:
  - type: http
    namespace: stacks-blockchain-mempool
    baseUri: https://api.hiro.so
    description: Stacks Blockchain API — Mempool business capability. Self-contained, no shared references.
    resources:
    - name: extended-v2-mempool-fees
      path: /extended/v2/mempool/fees
      operations:
      - name: getmempoolfeepriorities
        method: GET
        description: Get mempool transaction fee priorities
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
  exposes:
  - type: rest
    namespace: stacks-blockchain-mempool-rest
    port: 8080
    description: REST adapter for Stacks Blockchain API — Mempool. One Spectral-compliant resource per consumed operation,
      prefixed with /v1.
    resources:
    - path: /v1/extended/v2/mempool/fees
      name: extended-v2-mempool-fees
      description: REST surface for extended-v2-mempool-fees.
      operations:
      - method: GET
        name: getmempoolfeepriorities
        description: Get mempool transaction fee priorities
        call: stacks-blockchain-mempool.getmempoolfeepriorities
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: stacks-blockchain-mempool-mcp
    port: 9090
    transport: http
    description: MCP adapter for Stacks Blockchain API — Mempool. One tool per consumed operation, routed inline through this
      capability's consumes block.
    tools:
    - name: get-mempool-transaction-fee-priorities
      description: Get mempool transaction fee priorities
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: stacks-blockchain-mempool.getmempoolfeepriorities
      outputParameters:
      - type: object
        mapping: $.