Boffin vs mindwalk

Boffin and mindwalk are both cli coding agents tracked by AIDiveForge. Below is a side-by-side comparison of pricing, capabilities, platforms, and ownership — sourced from each tool's live website and verified before publishing.

Boffin

Boffin sits between your codebase and agents like Cursor, Claude Code, or Codex, feeding each edit the specific rules that apply to that file rather than a flat global prompt. The GitHub page describes it as a staff-engineer control layer: it enforces verification steps after code changes and routes constraints designed to protect existing test coverage and API contracts. It ships via npx boffinit, carries an MIT license, and has no hosted API or agent logic of its own — it controls agents, it does not become one. Where it shows limits: if your team needs dynamic rule generation or the constraint set grows complex enough to require its own maintenance cycle, you are now managing a rules system on top of your codebase. Teams that reach that ceiling tend to bake the constraints directly into their CI pipeline instead.

mindwalk

The tool replays Claude Code or Codex session logs against a spatial model of your repository, showing file touch history, exploration paths, and where the agent's footprint diverged from the intended task boundary. Everything runs locally as a compiled Go binary — no server, no API key, no data leaving the machine. That local constraint is also the ceiling: Mindwalk reads and visualizes; it does not flag anomalies automatically or integrate into a CI gate. Teams using it for post-session audits get a fast, honest picture of agent behavior. Teams that need automated alerts or diff-level review stay in their existing toolchain.

Attribute	Boffin	mindwalk
Pricing	Free	Free
Free trial	No	No
Open source	Yes	Yes
Has API	No	No
Self-hosted option	Yes	Yes
Platforms	Node.js 18+, Cursor, Claude Code, Codex, OpenCode	macOS, Linux, Windows
Pros	Per-file rule routing rather than a flat global prompt, which means a high-risk payment module gets strict architectural constraints while a utility file gets none — without you manually managing which agent sees what. Post-edit verification hooks built into the control layer, so an agent cannot silently break a test or drift an API contract and move on before you catch it. Plugin configs ship for Claude, Cursor, Windsurf, Codex, and Kiro, which means you are not rewriting integration logic when your team switches agents or runs more than one in parallel. MIT license and npx install with no hosted API, so there is no vendor dependency, no data leaving your environment, and no cost gate between a proof-of-concept and a production deployment. Self-hosted by design, which means your codebase and your rules stay on your infrastructure — a requirement for teams operating under data-residency or IP constraints that a SaaS control layer cannot satisfy.	Spatial replay of agent session paths, so you can see exploration-before-action at a glance instead of reconstructing it by reading hundreds of JSONL lines in sequence. Fully local Go binary with no external dependencies at runtime, which means session logs containing proprietary code never leave the machine — a requirement on most enterprise codebases. MIT license with build-from-source instructions, so teams can audit the binary, fork it, or embed it in internal tooling without negotiating a license. Visual file-touch history makes scope drift concrete — when an agent read files three directories outside the intended boundary, that shows up as light crossing the map rather than as a number buried in metadata. Targets the specific log formats produced by Claude Code and Codex, so there is no generic adapter layer to configure for the two most common coding-agent environments.
Cons	Rule files for each scoped path require active maintenance: when a module is restructured or renamed, the corresponding rules become stale and the agent receives either wrong guidance or nothing. There is no automated sync between your file tree and your rule definitions — that is a manual process, and on a codebase with frequent structural changes, it becomes a recurring coordination cost. The tool has no mechanism for generating or updating rules from observed agent behavior; every constraint is hand-authored. Teams whose constraint sets grow beyond a few dozen scoped rules report the rules directory becoming its own engineering artifact — at which point some abandon the layer and encode the same constraints as linter plugins and test fixtures that run in CI regardless of which agent triggered the change. There is no API, so any tooling that needs to query or update rules programmatically — a dashboard, a rule-review workflow, an audit log — requires building directly against the file system. Teams that need visibility into which rules fired on which edits have no built-in observability and must instrument this themselves.	Visualization is purely retrospective: there is no API, no event stream, and no CI hook, so the tool cannot block a bad session from shipping — a team that needs automated scope enforcement has to build that check elsewhere and Mindwalk contributes nothing to it. Log format support is tied to what the schema directory describes; agents that produce non-standard or extended JSONL structures require a preprocessing step before Mindwalk can ingest them, and the docs do not describe a plugin or adapter interface for this. There is no anomaly detection or scoring — the visualization shows you what happened, but deciding whether the footprint was acceptable is entirely on the reviewer. Teams that audit dozens of sessions per day and need triage prioritization will hit this ceiling quickly and move to a purpose-built audit platform that can surface outliers automatically.

Bottom line

Boffin and mindwalk are closely matched on pricing model, openness, and API availability — pick by feature set and platform support in the table above.

Frequently asked questions

What is the difference between Boffin and mindwalk?

Boffin is Free and open source, while mindwalk is Free and open source. Compare pricing, free trial, API, platforms, and pros/cons in the table above on AIDiveForge.

Is Boffin better than mindwalk?

It depends on your workflow. Use the side-by-side attributes (pricing, open source, API, self-hosted, platforms) to decide. AIDiveForge does not rank a universal winner — we publish verified facts so you can choose.