Eidentic vs Mind-expander

Eidentic and Mind-expander are both agent frameworks 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.

Eidentic

The SDK centers on a temporal knowledge graph that tracks when facts were true, resolves contradictions, and consolidates between sessions — so the agent sharpens over time rather than accumulating noise. Durable runs, enforced cost ceilings, and CI-gated evals ship as part of the core, not as paid add-ons. The vendor benchmarks report 55.2% on LongMemEval versus 41.0% for full-context stuffing, and claims up to 39× fewer tokens per query. The gap shows up in support and long-running assistant workflows where session history compounds. At v0.1, the ecosystem is early — teams building anything outside the TypeScript path face a hard stop.

Mind-expander

The agent drives the canvas: it can run `npx mind-expander` in the background, load skill integrations, and build guided tours through architecture. You see the same graph the agent is reasoning about, which means review decisions and refactor plans are grounded in actual dependency structure — not the agent's approximation of it. That shared view is the differentiator. The ceiling arrives with language support: Rust and TypeScript are covered, the docs describe more language frontends as planned. Teams whose core services are in Go, Python, or Java will hit that wall on day one.

Attribute	Eidentic	Mind-expander
Pricing	Free	Free
Free trial	No	No
Open source	Yes	Yes
Has API	Yes	No
Self-hosted option	Yes	Yes
Platforms	Node, Bun, Deno, Edge	Web (browser-based), CLI (npx)
Pros	Temporal knowledge graph tracks fact validity over time and resolves contradictions automatically, which means agents reasoning over months of sessions return accurate historical context instead of hallucinating stale or overwritten facts. Sleep-time consolidation reorganizes memory between sessions without prompt growth, so token costs stay flat as conversation history accumulates — the vendor cites up to 39× fewer tokens per query versus full-context retrieval. Enforced cost ceilings and CI-gated evals ship as core runtime features, which means you catch regressions and runaway spend in the build pipeline instead of discovering them in production billing. Provider-agnostic model and store configuration — OpenAI, Anthropic, Google, Mistral on the model side; SQLite, libSQL, Turso, Postgres, pgvector, Qdrant, LanceDB, Pinecone on the store side — so swapping backends is a constructor argument, not an architectural rewrite. Apache-2.0 license with no paid tier and a self-hosted path, which means the full feature set is available without a commercial dependency or a pricing conversation when you scale.	Source-backed dependency graph generated from actual code rather than agent inference, so the agent's architecture reasoning is grounded in real module relationships instead of reconstructed approximations that break on unfamiliar patterns. Agent-steerable canvas with guided tour support, which means an AI agent can walk a developer through an unfamiliar codebase interactively — replacing a static wiki page that goes stale the week after it's written. PR and commit impact visualization scoped to the actual nodes changed, so reviewers see cross-boundary effects in the dependency graph without manually tracing every import chain. Fully open-source under Apache-2.0 with no paid tier, so the tool can be self-hosted and extended without a licensing negotiation when your team needs a custom language frontend or a different rendering surface. First-class Claude agent integration via a dedicated skill directory and hooks, which means agent setup follows a documented protocol rather than a trial-and-error prompt engineering session.
Cons	The SDK is TypeScript-only. A Python, Go, or Java team hits a dead end at the npm install step — there is no polyglot client, no REST-only path that abstracts the language requirement, and no migration story. Those teams look at LangChain, LlamaIndex, or a framework with a language-agnostic API. At v0.1 with a thin community footprint and docs that the vendor describes as early, debugging non-obvious memory consolidation behavior — why a fact was superseded, why recall missed a session — produces limited guidance. Teams operating at scale with on-call SLA expectations will find the lack of managed support or a commercial support tier a blocking constraint. There is no visual workflow editor or low-code interface. Teams whose agent logic is owned by non-engineers, or whose approval process requires non-technical stakeholders to inspect and modify agent behavior, have no path forward without writing TypeScript — at which point they evaluate tools like Dify or Flowise instead.	Language support is limited to Rust and TypeScript at the time of publication — teams with Go, Python, Java, or mixed-language services cannot use the graph features at all. There is no workaround short of contributing a new language frontend. Teams in those stacks will evaluate a different static analysis or diagramming tool from day one. No API surface is exposed, so integrating mind-expander into a CI pipeline or a custom agent harness outside the supported skill integration requires forking the project and building that surface yourself — at which point you are maintaining a fork. The agent integration is documented specifically for Claude; teams running GPT-4, Gemini, or a self-hosted model will find the skill directory and hooks are Claude-shaped, and adapting them to a different agent framework is undocumented and likely manual.

Bottom line

Only Eidentic exposes a public API. Choose based on which difference matters most for your workflow.

Frequently asked questions

What is the difference between Eidentic and Mind-expander?

Eidentic is Free and open source, while Mind-expander is Free and open source. Compare pricing, free trial, API, platforms, and pros/cons in the table above on AIDiveForge.

Is Eidentic better than Mind-expander?

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.