Vibecode LeaseLineage
track this build5 steps, step by step0%A solo broker can build the CRM, CSV prospecting, draft sequences, and pipeline in a weekend, but reliable contact data, Gmail and Outlook sync, deliverability, compliance operations, and brokerage collaboration are ongoing products.
You are building a lean indie version of LeaseLineage. Create the following project files first, then implement the application by following them. Keep the files updated as decisions change. Do not collapse this into a single README or prompt. ===== README.md ===== # LeaseLineage indie build ## Goal Build the smallest trustworthy replacement for the core LeaseLineage workflow for one developer or a tiny team. ## Scope Import or research prospects, organize them by property or tenant need, draft a reviewed email sequence, and track replies and deal stages. ## Quick start 1. Install the documented dependencies. 2. Copy `.env.example` to `.env`. 3. Run the development command chosen during implementation. 4. Complete the acceptance checks in `BUILD_PLAN.md`. ## Honest limits This build deliberately does not replace: - Apollo and Hunter prospect data - Gmail and Outlook OAuth and reply sync - managed sending and deliverability - brokerage team workspace - custom sending domains - hosted compliance and suppression operations If those capabilities are essential, use Mautic instead of pretending the gap is solved. ===== AGENTS.md ===== # Agent instructions - Optimize for a working, understandable weekend build. - Prefer the fewest moving parts that satisfy the brief. - Do not invent cryptography, security guarantees, APIs, or compliance claims. - Keep secrets out of source control and logs. - Add focused tests for destructive, security-sensitive, and data-loss paths. - Run the project checks before declaring the build complete. - Record any deliberate shortcut in the README under "Tradeoffs". ===== BUILD_PLAN.md ===== # Build plan ## Original build brief Build me a local commercial real estate outreach workspace to replace LeaseLineage. Requirements: - A local web app using Node, Express, better-sqlite3, and server-rendered EJS, with a little vanilla JavaScript; store everything in data/leaselineage.db. - Import prospects from CSV with company, contact, title, email, market, asset class, property, source, and notes; deduplicate by lowercase email. - Show a prospect table with search, filters, tags, and a detail page containing notes, activity history, and a next-follow-up date. - Let me create a campaign from filtered prospects and draft a three-step email sequence with the OpenAI API; keep its key and optional SMTP credentials in .env. - Every generated message must remain a draft until I approve it. Support test-send, scheduled send, daily send limit, unsubscribe footer, and a suppression list. - Poll one IMAP inbox every five minutes, match replies by Message-ID and email, stop remaining steps for that prospect, and show replies in a unified inbox. - Track opportunities on a kanban board with New, Contacted, Replied, Meeting, Proposal, Won, and Lost columns; moving a card writes an activity event. - Provide CSV exports for prospects, campaigns, activities, and opportunities. Bind to localhost only; no accounts or telemetry beyond email and OpenAI calls. - Out of scope: contact-data enrichment, Gmail or Outlook OAuth, multi-user teams, custom sending domains, and legal compliance guarantees. - Include a README with setup, CSV columns, .env variables, IMAP app-password notes, backup instructions, and a warning that I remain responsible for lawful outreach. ## Required capabilities - local web app - SQLite - CSV import - OpenAI API key - optional SMTP credentials ## Delivery order 1. Scaffold the smallest runnable application and document its commands. 2. Implement the primary data model and core workflow. 3. Add validation, safe failure states, and persistence. 4. Cover the critical path with automated tests. 5. Exercise a clean install from the README and fix every missing step. ## Done when - A new user can go from clone to first successful workflow using only the README. - The core workflow works without paid infrastructure unless the brief requires it. - Tests cover the highest-risk behavior. - Known limitations are explicit rather than hidden. ===== .env.example ===== # Copy to .env and document every variable when it is introduced. # Never put real credentials in this file. APP_ENV=development # Add only values required by the selected implementation.
You are building a lean indie version of LeaseLineage. Create the following project files first, then implement the application by following them. Keep the files updated as decisions change. Do not collapse this into a single README or prompt. ===== README.md ===== # LeaseLineage indie build ## Goal Build the smallest trustworthy replacement for the core LeaseLineage workflow for one developer or a tiny team. ## Scope Import or research prospects, organize them by property or tenant need, draft a reviewed email sequence, and track replies and deal stages. ## Quick start 1. Install the documented dependencies. 2. Copy `.env.example` to `.env`. 3. Run the development command chosen during implementation. 4. Complete the acceptance checks in `BUILD_PLAN.md`. ## Honest limits This build deliberately does not replace: - Apollo and Hunter prospect data - Gmail and Outlook OAuth and reply sync - managed sending and deliverability - brokerage team workspace - custom sending domains - hosted compliance and suppression operations If those capabilities are essential, use Mautic instead of pretending the gap is solved. ===== AGENTS.md ===== # Agent instructions - Optimize for a working, understandable weekend build. - Prefer the fewest moving parts that satisfy the brief. - Do not invent cryptography, security guarantees, APIs, or compliance claims. - Keep secrets out of source control and logs. - Add focused tests for destructive, security-sensitive, and data-loss paths. - Run the project checks before declaring the build complete. - Record any deliberate shortcut in the README under "Tradeoffs". ===== BUILD_PLAN.md ===== # Build plan ## Original build brief Build me a local commercial real estate outreach workspace to replace LeaseLineage. Requirements: - A local web app using Node, Express, better-sqlite3, and server-rendered EJS, with a little vanilla JavaScript; store everything in data/leaselineage.db. - Import prospects from CSV with company, contact, title, email, market, asset class, property, source, and notes; deduplicate by lowercase email. - Show a prospect table with search, filters, tags, and a detail page containing notes, activity history, and a next-follow-up date. - Let me create a campaign from filtered prospects and draft a three-step email sequence with the OpenAI API; keep its key and optional SMTP credentials in .env. - Every generated message must remain a draft until I approve it. Support test-send, scheduled send, daily send limit, unsubscribe footer, and a suppression list. - Poll one IMAP inbox every five minutes, match replies by Message-ID and email, stop remaining steps for that prospect, and show replies in a unified inbox. - Track opportunities on a kanban board with New, Contacted, Replied, Meeting, Proposal, Won, and Lost columns; moving a card writes an activity event. - Provide CSV exports for prospects, campaigns, activities, and opportunities. Bind to localhost only; no accounts or telemetry beyond email and OpenAI calls. - Out of scope: contact-data enrichment, Gmail or Outlook OAuth, multi-user teams, custom sending domains, and legal compliance guarantees. - Include a README with setup, CSV columns, .env variables, IMAP app-password notes, backup instructions, and a warning that I remain responsible for lawful outreach. ## Required capabilities - local web app - SQLite - CSV import - OpenAI API key - optional SMTP credentials ## Delivery order 1. Scaffold the smallest runnable application and document its commands. 2. Implement the primary data model and core workflow. 3. Add validation, safe failure states, and persistence. 4. Cover the critical path with automated tests. 5. Exercise a clean install from the README and fix every missing step. ## Done when - A new user can go from clone to first successful workflow using only the README. - The core workflow works without paid infrastructure unless the brief requires it. - Tests cover the highest-risk behavior. - Known limitations are explicit rather than hidden. ===== .env.example ===== # Copy to .env and document every variable when it is introduced. # Never put real credentials in this file. APP_ENV=development # Add only values required by the selected implementation.
You are building a production product version of LeaseLineage. Create the following project files first, then implement the application by following them. Keep the files updated as decisions change. Do not collapse this into a single README or prompt. ===== PRODUCT.md ===== # LeaseLineage product brief ## Problem A solo broker can build the CRM, CSV prospecting, draft sequences, and pipeline in a weekend, but reliable contact data, Gmail and Outlook sync, deliverability, compliance operations, and brokerage collaboration are ongoing products. ## Product outcome Import or research prospects, organize them by property or tenant need, draft a reviewed email sequence, and track replies and deal stages. ## Target user A serious builder who needs a maintainable product foundation rather than a one-off demo. ## Required capabilities - local web app - SQLite - CSV import - OpenAI API key - optional SMTP credentials ## Explicit non-goals for v1 - Apollo and Hunter prospect data - Gmail and Outlook OAuth and reply sync - managed sending and deliverability - brokerage team workspace - custom sending domains - hosted compliance and suppression operations ## Success criteria - The primary workflow is measurable end to end. - Setup is reproducible in a clean environment. - Failure, recovery, and support paths are documented. - Product claims match what the implementation actually guarantees. ===== ARCHITECTURE.md ===== # Architecture ## Starting brief Build me a local commercial real estate outreach workspace to replace LeaseLineage. Requirements: - A local web app using Node, Express, better-sqlite3, and server-rendered EJS, with a little vanilla JavaScript; store everything in data/leaselineage.db. - Import prospects from CSV with company, contact, title, email, market, asset class, property, source, and notes; deduplicate by lowercase email. - Show a prospect table with search, filters, tags, and a detail page containing notes, activity history, and a next-follow-up date. - Let me create a campaign from filtered prospects and draft a three-step email sequence with the OpenAI API; keep its key and optional SMTP credentials in .env. - Every generated message must remain a draft until I approve it. Support test-send, scheduled send, daily send limit, unsubscribe footer, and a suppression list. - Poll one IMAP inbox every five minutes, match replies by Message-ID and email, stop remaining steps for that prospect, and show replies in a unified inbox. - Track opportunities on a kanban board with New, Contacted, Replied, Meeting, Proposal, Won, and Lost columns; moving a card writes an activity event. - Provide CSV exports for prospects, campaigns, activities, and opportunities. Bind to localhost only; no accounts or telemetry beyond email and OpenAI calls. - Out of scope: contact-data enrichment, Gmail or Outlook OAuth, multi-user teams, custom sending domains, and legal compliance guarantees. - Include a README with setup, CSV columns, .env variables, IMAP app-password notes, backup instructions, and a warning that I remain responsible for lawful outreach. ## Boundaries Separate the product into replaceable modules for interface, application logic, persistence, external integrations, and operational concerns. Keep domain logic independent from delivery frameworks and vendors. ## Production baseline - Configuration: validated at startup with safe local defaults where possible. - Security: least privilege, input validation, secret redaction, rate limits on abuse-prone paths, and no invented security primitives. - Data: explicit schema and migrations, transactional writes where integrity matters, backup and restore instructions. - Integrations: adapters around third-party providers, idempotent webhook or job processing, bounded retries, and timeouts. - Observability: structured logs with request or operation IDs, an error-tracking hook, and health/readiness checks where a server exists. - Quality: unit tests for domain rules, integration tests at module boundaries, and one end-to-end critical-path test. ## Decision records For each major dependency, document why it was chosen, its failure mode, and how it can be replaced. Do not introduce infrastructure until a requirement justifies it. ===== AGENTS.md ===== # Agent instructions - Read `PRODUCT.md` and `ARCHITECTURE.md` before changing code. - Implement milestone by milestone; keep each change reviewable and leave the application runnable. - Treat authentication, payments, encryption, imports, webhooks, and destructive actions as high-risk boundaries when present. - Never invent cryptography or silently weaken a requirement to make a test pass. - Use provider interfaces for external services and deterministic fakes in tests. - Add migrations and rollback or recovery notes for persistent data changes. - Log useful operational context without credentials, tokens, passwords, or personal data. - Update documentation and run all checks before completing a milestone. ===== MILESTONES.md ===== # Delivery milestones ## M0 — Decisions and scaffold - Confirm the runtime, persistence model, threat boundaries, and deployment target. - Create a reproducible local environment and continuous checks. ## M1 — Core workflow - Implement the smallest end-to-end product path with validation and tests. - Keep integrations behind interfaces. ## M2 — Trust layer - Add secure failure behavior, recovery paths, audit-relevant events, and data safeguards. - Test abuse cases and destructive operations. ## M3 — Operability - Add structured logs, error reporting hooks, health signals, backup/restore documentation, and deployment configuration. ## M4 — Release gate - Run a clean-install test, critical-path end-to-end test, dependency review, and documented rollback exercise. - Compare the shipped behavior with `PRODUCT.md` and publish remaining limitations. ===== OPERATIONS.md ===== # Operations ## Before release - Validate configuration and secrets at startup. - Define backup, restore, and rollback procedures and test them. - Document logs, error tracking, health signals, and alert ownership. - Set dependency update and vulnerability review expectations. ## Incident checklist 1. Contain the issue without destroying evidence or user data. 2. Record the timeline and affected scope. 3. Rotate exposed secrets and revoke compromised sessions or credentials. 4. Restore from a verified source when needed. 5. Document the root cause, remediation, and regression test. ## Launch constraint Do not market omitted LeaseLineage capabilities as implemented. The v1 non-goals in `PRODUCT.md` remain user-visible limitations until they are deliberately delivered.
# LeaseLineage indie build ## Goal Build the smallest trustworthy replacement for the core LeaseLineage workflow for one developer or a tiny team. ## Scope Import or research prospects, organize them by property or tenant need, draft a reviewed email sequence, and track replies and deal stages. ## Quick start 1. Install the documented dependencies. 2. Copy `.env.example` to `.env`. 3. Run the development command chosen during implementation. 4. Complete the acceptance checks in `BUILD_PLAN.md`. ## Honest limits This build deliberately does not replace: - Apollo and Hunter prospect data - Gmail and Outlook OAuth and reply sync - managed sending and deliverability - brokerage team workspace - custom sending domains - hosted compliance and suppression operations If those capabilities are essential, use Mautic instead of pretending the gap is solved.
# Agent instructions - Optimize for a working, understandable weekend build. - Prefer the fewest moving parts that satisfy the brief. - Do not invent cryptography, security guarantees, APIs, or compliance claims. - Keep secrets out of source control and logs. - Add focused tests for destructive, security-sensitive, and data-loss paths. - Run the project checks before declaring the build complete. - Record any deliberate shortcut in the README under "Tradeoffs".
# Build plan ## Original build brief Build me a local commercial real estate outreach workspace to replace LeaseLineage. Requirements: - A local web app using Node, Express, better-sqlite3, and server-rendered EJS, with a little vanilla JavaScript; store everything in data/leaselineage.db. - Import prospects from CSV with company, contact, title, email, market, asset class, property, source, and notes; deduplicate by lowercase email. - Show a prospect table with search, filters, tags, and a detail page containing notes, activity history, and a next-follow-up date. - Let me create a campaign from filtered prospects and draft a three-step email sequence with the OpenAI API; keep its key and optional SMTP credentials in .env. - Every generated message must remain a draft until I approve it. Support test-send, scheduled send, daily send limit, unsubscribe footer, and a suppression list. - Poll one IMAP inbox every five minutes, match replies by Message-ID and email, stop remaining steps for that prospect, and show replies in a unified inbox. - Track opportunities on a kanban board with New, Contacted, Replied, Meeting, Proposal, Won, and Lost columns; moving a card writes an activity event. - Provide CSV exports for prospects, campaigns, activities, and opportunities. Bind to localhost only; no accounts or telemetry beyond email and OpenAI calls. - Out of scope: contact-data enrichment, Gmail or Outlook OAuth, multi-user teams, custom sending domains, and legal compliance guarantees. - Include a README with setup, CSV columns, .env variables, IMAP app-password notes, backup instructions, and a warning that I remain responsible for lawful outreach. ## Required capabilities - local web app - SQLite - CSV import - OpenAI API key - optional SMTP credentials ## Delivery order 1. Scaffold the smallest runnable application and document its commands. 2. Implement the primary data model and core workflow. 3. Add validation, safe failure states, and persistence. 4. Cover the critical path with automated tests. 5. Exercise a clean install from the README and fix every missing step. ## Done when - A new user can go from clone to first successful workflow using only the README. - The core workflow works without paid infrastructure unless the brief requires it. - Tests cover the highest-risk behavior. - Known limitations are explicit rather than hidden.
# Copy to .env and document every variable when it is introduced. # Never put real credentials in this file. APP_ENV=development # Add only values required by the selected implementation.
# LeaseLineage product brief ## Problem A solo broker can build the CRM, CSV prospecting, draft sequences, and pipeline in a weekend, but reliable contact data, Gmail and Outlook sync, deliverability, compliance operations, and brokerage collaboration are ongoing products. ## Product outcome Import or research prospects, organize them by property or tenant need, draft a reviewed email sequence, and track replies and deal stages. ## Target user A serious builder who needs a maintainable product foundation rather than a one-off demo. ## Required capabilities - local web app - SQLite - CSV import - OpenAI API key - optional SMTP credentials ## Explicit non-goals for v1 - Apollo and Hunter prospect data - Gmail and Outlook OAuth and reply sync - managed sending and deliverability - brokerage team workspace - custom sending domains - hosted compliance and suppression operations ## Success criteria - The primary workflow is measurable end to end. - Setup is reproducible in a clean environment. - Failure, recovery, and support paths are documented. - Product claims match what the implementation actually guarantees.
# Architecture ## Starting brief Build me a local commercial real estate outreach workspace to replace LeaseLineage. Requirements: - A local web app using Node, Express, better-sqlite3, and server-rendered EJS, with a little vanilla JavaScript; store everything in data/leaselineage.db. - Import prospects from CSV with company, contact, title, email, market, asset class, property, source, and notes; deduplicate by lowercase email. - Show a prospect table with search, filters, tags, and a detail page containing notes, activity history, and a next-follow-up date. - Let me create a campaign from filtered prospects and draft a three-step email sequence with the OpenAI API; keep its key and optional SMTP credentials in .env. - Every generated message must remain a draft until I approve it. Support test-send, scheduled send, daily send limit, unsubscribe footer, and a suppression list. - Poll one IMAP inbox every five minutes, match replies by Message-ID and email, stop remaining steps for that prospect, and show replies in a unified inbox. - Track opportunities on a kanban board with New, Contacted, Replied, Meeting, Proposal, Won, and Lost columns; moving a card writes an activity event. - Provide CSV exports for prospects, campaigns, activities, and opportunities. Bind to localhost only; no accounts or telemetry beyond email and OpenAI calls. - Out of scope: contact-data enrichment, Gmail or Outlook OAuth, multi-user teams, custom sending domains, and legal compliance guarantees. - Include a README with setup, CSV columns, .env variables, IMAP app-password notes, backup instructions, and a warning that I remain responsible for lawful outreach. ## Boundaries Separate the product into replaceable modules for interface, application logic, persistence, external integrations, and operational concerns. Keep domain logic independent from delivery frameworks and vendors. ## Production baseline - Configuration: validated at startup with safe local defaults where possible. - Security: least privilege, input validation, secret redaction, rate limits on abuse-prone paths, and no invented security primitives. - Data: explicit schema and migrations, transactional writes where integrity matters, backup and restore instructions. - Integrations: adapters around third-party providers, idempotent webhook or job processing, bounded retries, and timeouts. - Observability: structured logs with request or operation IDs, an error-tracking hook, and health/readiness checks where a server exists. - Quality: unit tests for domain rules, integration tests at module boundaries, and one end-to-end critical-path test. ## Decision records For each major dependency, document why it was chosen, its failure mode, and how it can be replaced. Do not introduce infrastructure until a requirement justifies it.
# Agent instructions - Read `PRODUCT.md` and `ARCHITECTURE.md` before changing code. - Implement milestone by milestone; keep each change reviewable and leave the application runnable. - Treat authentication, payments, encryption, imports, webhooks, and destructive actions as high-risk boundaries when present. - Never invent cryptography or silently weaken a requirement to make a test pass. - Use provider interfaces for external services and deterministic fakes in tests. - Add migrations and rollback or recovery notes for persistent data changes. - Log useful operational context without credentials, tokens, passwords, or personal data. - Update documentation and run all checks before completing a milestone.
# Delivery milestones ## M0 — Decisions and scaffold - Confirm the runtime, persistence model, threat boundaries, and deployment target. - Create a reproducible local environment and continuous checks. ## M1 — Core workflow - Implement the smallest end-to-end product path with validation and tests. - Keep integrations behind interfaces. ## M2 — Trust layer - Add secure failure behavior, recovery paths, audit-relevant events, and data safeguards. - Test abuse cases and destructive operations. ## M3 — Operability - Add structured logs, error reporting hooks, health signals, backup/restore documentation, and deployment configuration. ## M4 — Release gate - Run a clean-install test, critical-path end-to-end test, dependency review, and documented rollback exercise. - Compare the shipped behavior with `PRODUCT.md` and publish remaining limitations.
# Operations ## Before release - Validate configuration and secrets at startup. - Define backup, restore, and rollback procedures and test them. - Document logs, error tracking, health signals, and alert ownership. - Set dependency update and vulnerability review expectations. ## Incident checklist 1. Contain the issue without destroying evidence or user data. 2. Record the timeline and affected scope. 3. Rotate exposed secrets and revoke compromised sessions or credentials. 4. Restore from a verified source when needed. 5. Document the root cause, remediation, and regression test. ## Launch constraint Do not market omitted LeaseLineage capabilities as implemented. The v1 non-goals in `PRODUCT.md` remain user-visible limitations until they are deliberately delivered.
$ choose a build depth, inspect the files, then open the complete pack in your agent
They pay to keep contact discovery, inbox connections, reply attribution, sending controls, suppression, reporting, and team access working while they focus on brokerage.
xApollo and Hunter prospect data
xGmail and Outlook OAuth and reply sync
xmanaged sending and deliverability
xbrokerage team workspace
xcustom sending domains
xhosted compliance and suppression operations
LeaseLineage pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| pro | $79 | $69 | Unlimited campaigns and contacts; single-broker plan. |
| brokerage | $249 | $199 | 3 broker seats; unlimited campaigns and contacts. |
free tierno free broker tier; tenant users can participate without a paid broker seat
billingmonthly + annual; no setup fee or long-term contract; cancel anytime
verified 2026-08-11 · source ↗
Vibecode LeaseLineage
Kinda. The core of LeaseLineage is buildable in a weekend with the prompt on this page, but there are real gaps: Apollo and Hunter prospect data, Gmail and Outlook OAuth and reply sync. Read the honest list above before committing.
How much does LeaseLineage cost?
LeaseLineage costs about $79/month (Pro, checked 2026-07-30), which is $948 per year.
What do I lose by replacing LeaseLineage?
Honestly: Apollo and Hunter prospect data; Gmail and Outlook OAuth and reply sync; managed sending and deliverability; brokerage team workspace; custom sending domains; hosted compliance and suppression operations. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to LeaseLineage?
Yes: Mautic (Open-source marketing automation platform that covers campaigns and contact management, without the commercial real estate workflow.). Using prior art is also vibecoding; the prompt is for when you want it exactly your way.