Free core · northern forge

Prompt Token Budget Board

Paste prompt sections → rough token budget bars and a cut list when over limit before you send a long agent turn.

Use freeFull core runs in your browser — no account required.

ProFree core + $3.99 pro. One-time unlock on this device.

Local-firstYour data stays in the browser unless you export it.

System / instructions Tools / schemas / MCP catalog User / task + attachments text Extra (history, RAG, memory) — optional

Context budget (tokens)

Custom limit

Reserve for completion

Estimate method