Cadenya
Paid
Developers building agentic workflows
Bolting an agent onto a SaaS product usually means a second backend, a new auth model, and a week of glue code before a single tool call works. BetterAgent skips that by reading the routes and server actions you already ship and wiring them directly into an agent layer.
The CLI walks your Next.js codebase, surfaces every server action and API route, and lets you approve which handlers the agent can call — scaffolding typed Zod schemas you fill in before anything reaches the model. Bearer-token forwarding means the agent runs under your user's session, so existing auth middleware and revalidation logic stays intact. UI ships as a shadcn-compatible component registry: sidebar, popup, inline bar, or command-bar, all installed with one CLI command and owned by your codebase after. Observability is per-run and token-level — latency, tool calls, spend — queryable like HTTP logs. The ceiling appears when you need branching across more than two or three dependent tool calls; the platform approves tools statically, so dynamic routing between handlers requires you to encode that logic in the handler itself.
Bottom line: Pick BetterAgent when you want an agent that acts inside a Next.js product you already have working; plan a different architecture when your agent needs to orchestrate across services outside your Next.js codebase or branch dynamically on external state.
For prototyping and small projects.
3x the runway, for less than a pack of gum.
For agents that need a little more room.
Custom plans for teams shipping at scale.
View full pricing on betteragent.dev →
Pricing may have changed since last verified. Check the official site for current plans.
Find your fit
More options in Agent Frameworks. Compare pricing, platforms, and features side by side.
Paid
Developers building agentic workflows
Free · Open source
Long-term continuity in multi-session coding projects
BetterAgent is a hosted agent layer that attaches to existing Next.js codebases without new infrastructure. The workflow is three commands: `betteragent discover` walks your project and lists every server action, API route, and exported handler; you select which ones the agent may call and write descriptions the model uses to decide when to invoke them; `betteragent sync` diffs against the vendor’s server and ships the approved tool manifest. At runtime the agent reads data through GET routes, mutates state through server actions, and can steer the UI through client actions — three primitives, one protocol. Routes are locked at deploy time; the model sees only the names and schemas you approved.
The differentiating feature is auth forwarding. The vendor’s docs describe the SDK dispatching server-action calls so that your existing session context, revalidation logic, and bearer tokens pass through unchanged. This means the agent operates as the authenticated end-user, not as a separate service principal — no new IAM roles, no token-exchange middleware, no shadow auth path to audit.
BetterAgent fits Next.js SaaS teams that have already shipped a working product and want to add an agent surface without rebuilding the backend. It breaks when the agent needs to branch conditionally across tool calls based on runtime state — approved handlers are static, so multi-step conditional logic has to live inside your own handler code, not in the agent’s decision layer. Teams whose agents need to span multiple services or run tasks outside the Next.js server boundary will hit the edges of what the platform was designed for and are the most likely to evaluate a general-purpose agent framework instead.
UI components follow the shadcn registry pattern: install with `npx betteragent add sidebar` (or popup, inline-bar, cmd-k), and the code lands in your repo, inheriting your existing shadcn theme tokens. Observability is built into the hosted dashboard — every run records route, tool calls, token count, latency, and spend, queryable by run ID — so debugging a failed agent call looks like reading an HTTP access log rather than tracing a model.
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