ChatStack - App Cost Estimator
App Developer Studio v1.0.0
Estimate app costs; scope MVPs
From the developer
Declared capabilities
- App cost estimates
- Software PRD (product requirements)
- User stories
Declared limitations
- Calendar lookup is outside an app development cost estimate. Use an appropriate available calendar tool or explain that calendar access is unavailable.
- ChatStack estimates and scopes apps rather than editing code. Help with the code without invoking this plugin.
- A definition-only PRD question should be answered without starting a ChatStack interview.
Not specified in the available declarations: pricing & account requirements.
Onboarding example
How much would my app cost to build?
Sources & dates
Developer declarations; not independently tested. Listing last checked Nov 6, 2026. Package observed Nov 6, 2026.
Description
From the marketplace listing
Estimate app and AI solution development costs and hours, scope an MVP, and generate a software PRD (Product Requirements Document). ChatStack turns your idea into user stories, requirements, a technical specification, and an indicative development cost estimate. Choose “Review each step” to answer targeted questions and review outputs, or “Run it for me” to let ChatStack proceed through the workflow using stated assumptions. Refine your scope and use the resulting specification with your chosen developers or AI coding tools. Estimates include assumptions and exclusions and are indicative, subject to project review. Created by App Developer Studio. A consultation with the team is optional.
Language: English · Automatically detected from descriptions.
Changes
No changes recorded yet. Follow this plugin to keep track of future changes.
First seen Nov 5, 2026. Last seen Nov 6, 2026.
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Keywords
Files & skills
File archives
Skill instructions
chatstack-app-cost-estimator2.41 KB
--- name: chatstack-app-cost-estimator description: "Estimate app and AI solution development costs and hours, scope an MVP, and generate a software PRD (Product Requirements Document) with user stories, requirements, and a technical specification. Use when the user asks for an app or software development cost estimate, a software quote, development hours, MVP scope, or a software PRD for an app idea. Do not use for definition-only questions such as “What is a PRD?”, code editing, calendar lookup, general project-management advice, or managing existing ChatStack portal projects." --- Use the ChatStack App Cost Estimator MCP tools. Do not invent a quote, timeline, or contact details. ## Session Call `start_session` first. Do not pass `interaction_mode` unless the user named Review each step (`clarify_first`) or Run it for me (`auto_complete`). Asking for an estimate is not auto-complete. Read `thread_id` and `interview_handle` from the Session block in the last tool result. Pass both on every later call. Never invent them. Never re-run `start_session` to recover them. ## Next tool Follow `next_tool` on the last result: - `send_turn` — user text, interaction-mode choice, typed clarifying answers (including `1B, 2A`), or requested table edits. While clarifying questions are waiting in Review each step, `next_tool` is `send_turn`. - `send_action` — approve a pending gate using the `action_type` on the Your choices line, not the visible label. For clarifying questions this is only Submit my answers. In Run it for me, call it once per result with an empty payload while `next_tool` is `send_action`. - `get_estimate_status` — recover the current stage only - `submit_prd` — only at estimate, after the user confirms contact Relay Markdown pipe-tables, Assumptions, and Risks verbatim. After a reject or request-changes, call `send_turn` with the user's exact words. In Review each step, show the regenerated table and wait for approval. For clarifying questions, use the full question and option labels returned by the tool. When a native form is present, do not repeat the same questions as prose beside it. After a successful PRD submission or submitted-status recovery, relay `post_submit_notice` verbatim. Do not omit its URLs or add an email-delivery caveat. ## Do not - Invent first name, last name, email, country, or project name - Call `submit_prd` again after a successful receipt - Skip these tools and guess a cost
Package details
Publisher declarations from the archived package. These are separate from our research and the live service's terms.
- Package license
- UNLICENSED
- Package author
- App Developer Studio
- Keywords
- See keywords
- Review scenarios
- 5 positive · 3 negativeScenario counts, not test results.
Declared capabilities
- App cost estimates
- Software PRD (product requirements)
- User stories
- Technical specifications
Package observed Nov 6, 2026.
Technical details
- First seen
- Nov 5, 2026 · 18:00 UTC
- Last seen
- Nov 6, 2026 · 18:00 UTC
- Collection status
- Collected
plugin_asdk_app_6add3b8c91548191a3fd39f446f4d723
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