ChatStack - App Cost Estimator

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "chatstack-app-cost-estimator": {
      "type": "http",
      "url": "https://mcp.chatstack.app/mcp"
    }
  }
}

5 tools

• start_session

  Start a guided session to estimate app development cost, scope an MVP, and generate a software PRD. No portal account or personal access token is required. Call it with no arguments unless the user already named Review each step (clarify_first) or Run it for me (auto_complete)…

• send_turn

  Continue an app cost estimate by sending the user's answers or requested changes to the MVP scope, user stories, requirements, or technical specification. Pass their exact words in input_as_text, even when next_tool is send_action. Compact replies such as "1A, 2B" are valid…

• send_action

  Submit the user's pending choice. Set action_type to a value from pending_gate_payload.allowed_actions. In Review each step, action_type is required; confirmed_by_user=true is preferred and is not a substitute for it. In Run it for me, omit action_type and payload to advance one…

• get_estimate_status

  Read the current app cost estimate without advancing it. Returns flow_stage, pending_gate, and pending_gate_payload. After submission it also returns post_submit_notice and post_submit_links: relay the notice verbatim, keep every URL, and do not add an email-delivery caveat…

• submit_prd

  Submit the completed software PRD and app development estimate for email delivery and portal project creation. Call it only after user stories, requirements, tech specs, and the estimate exist. (flow_stage estimate). Run it for me stops at this tool. Offer submission and wait…

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