Last updated: 2026-07-01
InsForge is an open-source backend platform for AI coding agents, backed by a $4M pre-seed round from Y Combinator's Spring 2026 cohort. It bundles a database, authentication, file storage, serverless functions, and an AI model gateway behind a single MCP server that plugs into tools like Cursor and Claude Code, replacing a dashboard-driven backend like Supabase.
About InsForge
InsForge is an open-source backend platform built for AI coding agents. Founded in 2025 by Tony Chang and Hang Huang, it is backed by $4M in pre-seed funding and Y Combinator's Spring 2026 batch, and reached #1 Product of the Day on Product Hunt in March 2026. The design premise is that Supabase and Firebase were built for human developers navigating a dashboard, while AI coding agents need backend state and operations exposed as tools they can call directly. InsForge is aimed at developers who use AI coding agents as primary contributors to their codebase: instead of manually creating tables and configuring storage buckets, you describe the app to the agent and InsForge's MCP server handles provisioning.
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Pricing
Compute is billed separately from the plan price. It starts at $5 a month for the smallest (Nano) instance and scales up to $2,560 a month for a 64-vCPU, 128 GB configuration, so a production workload typically costs more than the base plan alone. Enterprise pricing is custom and adds SOC 2 compliance with an optional HIPAA add-on.
Feature Comparison by Tier
| Feature | Pro | Free | Enterprise |
|---|---|---|---|
| Database (PostgreSQL) | 8 GB | 500 MB | Custom |
| Monthly Active Users | 100K | 50K | Custom |
| Bandwidth | 250 GB | 5 GB | Custom |
| Storage | 100 GB | 1 GB | Custom |
| AI credits included | $10 | $1 | Custom |
| MCP server | ✓ | ✓ | ✓ |
| pgvector (RAG) | ✓ | ✓ | ✓ |
| SOC 2 / HIPAA | — | — | ✓ |
Key Features
- MCP Server for AI Coding Agents: InsForge exposes all backend services as MCP tools compatible with Cursor, Claude Code, GitHub Copilot, Windsurf, Codex, and Cline, so agents provision and operate the full backend without touching a dashboard.
- 7-Service Backend Bundle: Ships PostgreSQL with auto-generated APIs, JWT and OAuth auth, S3-compatible storage, serverless edge functions, realtime pub/sub, an AI model gateway, and a pgvector database for RAG in one platform.
- MCPMark v2 Benchmark Performance: On MCPMark v2's 21 real-world backend tasks, InsForge finishes 1.27x faster than Supabase MCP using Claude Sonnet 4.6, and hits 42.86% Pass4 accuracy versus Supabase's 33.33%.
- Database Branching and Reversible Writes: Scoped permissions and reversible writes let AI coding agents test database changes safely and roll them back without consequences, reducing the risk of agent-introduced data corruption.
- Open Source and Self-Hostable: The entire platform is open source at github.com/InsForge/InsForge with 10,500+ GitHub stars, and a standalone self-hosted option is available for teams that want full data control.
- AI Model Gateway: A built-in model gateway lets agents call Claude, GPT, or other major LLMs directly through InsForge without managing separate API keys or provider accounts.
Pros
- Token-efficient by design: the MCPMark v2 benchmark shows real inference savings for AI-native apps that make frequent backend calls, not just a marketing claim.
- Open source with a large, verifiable GitHub following, so teams can self-host and audit the full stack rather than trust a closed BaaS vendor.
- One InsForge bill covers the full backend bundle: database, authentication, file storage, edge functions, and the built-in AI gateway, instead of assembling separate vendors and separate invoices for each piece.
Cons
- A 14-person team is building all seven backend services at once, which is a heavier lift than Supabase's decade of hardening and its community of 100,000+ developers.
- Compute is billed on top of the plan price: a production app on Pro running even a small instance typically adds $10 to $40 a month beyond the base subscription.
- Community tutorials, third-party integrations, and production case studies are still sparse next to Firebase and Supabase, so teams hitting an edge case may need to read InsForge's source directly.
Product Information
- Cloud
- Yes
- Self-Hosted
- Yes
- On-Premise
- No
- Languages
- English
- Training
- Documentation (insforge.dev/docs), GitHub README, Discord community, Blog tutorials
Frequently Asked Questions
How much does InsForge cost in 2026?
InsForge's Pro plan costs $25 a month and includes an 8 GB database, 100,000 monthly active users, and 250 GB of bandwidth. Compute is billed separately on top of that (see the pricing notes for the exact scale). Enterprise plans are quoted individually and add compliance options beyond what Pro includes.
Is InsForge free to use?
Yes. The Free plan includes a 500 MB database, 50,000 monthly active users, 5 GB of bandwidth, and $1 in AI model credits. Projects on the Free plan pause automatically after a week of inactivity, so it suits prototypes and side projects better than an always-on production app.
What are the best alternatives to InsForge?
The closest alternative is Supabase, which offers a similar PostgreSQL-based backend but was designed for a human dashboard rather than an AI coding agent. Firebase suits mobile and real-time apps better, particularly when offline sync matters. Render and Fly.io cover compute and hosting but do not bundle database, auth, and storage into one MCP-native package the way InsForge does.
How does InsForge compare to Supabase in 2026?
Supabase is built for human developers who configure services through a dashboard; InsForge is built for AI coding agents that provision and operate the backend through MCP. On the MCPMark v2 benchmark with Claude Sonnet 4.6, InsForge uses 2.4x fewer tokens and posts a 42.86% Pass4 score against Supabase's 33.33%. Supabase still wins on ecosystem maturity and community size.
How do you get started with InsForge?
Install the CLI with 'npm install -g insforge', then run 'insforge init' in your project directory to scaffold a database, auth, and storage. Add the InsForge MCP server to Cursor or Claude Code using the URL from 'insforge mcp-url' so your agent can provision and manage the backend directly. From there, 'insforge deploy' pushes the backend live, run manually or issued by the agent itself.
Top Alternatives
- Replit: Pick Replit for a full cloud IDE with instant deployment; pick InsForge when you need an MCP-native backend that AI agents can provision and operate without manual configuration.
- Cursor: Choose Cursor as your IDE-first coding agent; choose InsForge as the backend platform that Cursor agents connect to for managed database, auth, and storage.
- LangChain: Pick LangChain for agent orchestration and chaining; pick InsForge when the agent needs a production backend with database branching and reversible writes.