Blume

Blume is a desktop companion that monitors coding agents and updates rulebooks.

Blume is a narrow always-on desktop companion that watches coding agent harnesses, surfaces what each agent is doing, and helps tidy up rulebooks when chat contradicts them. It works with Cursor, Claude Code, Codex, and omp to track rules, skills, hooks, and instructions. The application stores conversation history locally on your device to keep work private. Users can review exact diffs and evidence before applying, dismissing, or saving suggestions. It also tracks plan limits and token burn for Claude Code and Codex to prevent hitting limits.

Blume at a glance

Best for: Software engineer
Runs on: macOS
Pricing: Freemium
Released: September 2026
Category: AI coding tool
Website: blume.codes

Key features

Monitor active and finished coding agents
Track hidden files, skills, hooks, and rules
Track Claude Code and Codex plan limits and token burn
Review exact diffs before applying suggestions
Local storage of conversation history
Detect mismatches between agent setups and chat instructions

Use it for

Monitor coding agent activity and status
Track token burn and plan limits
Review code diffs from agent sessions
Maintain and tidy up agent rulebooks

Alternatives to Blume

Agent Archive — Hand off coding sessions between Claude Code, Codex, and Cursor across machines.
Bloblings — Tracks multiple coding agent sessions and subagents locally on your Mac.
Opaline — Track team-wide token costs and coding session analytics.
Coucou — It provides open-source, real-time agent monitoring and approvals directly from the screen notch.
Reviewer Agent — It uses a separate AI model to review code and prevent premature agent stopping.
Agent Pets — Approve agent permission prompts and send replies directly from any browser tab
claude-mem — It shares persistent, searchable agent memory across sessions and devices.
opcode — Turns terminal Claude Code workflows into an intuitive visual interface.
OpenCode — Works with 75+ model providers, local models, and existing subscriptions
AGENTS.md — It separates agent-specific instructions from human-focused README files.
Hermes IDE — Run different coding agents side by side in one interface with centralized reviews.
Claude Super Sidebar — It brings agent relationships, execution states, and task flows into one panel.

All Blume alternatives