Knowl

Knowl

Knowl is a local-first, open-source persistent memory system for AI coding agents that records provenance, evidence, reasoning and supersession for every fact so agent answers stay current and auditable.

Knowl is developer tools software teams evaluate for software & gaming. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Freemium API Enterprise 80/100
#91 in Developer Tools (91 tools)
Just launched
Data reviewed Aug 28, 2026

Profile facts come from the vendor source. AiMatch labels unknown pricing or API details instead of estimating them.

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Quick Overview

Best for: Software & Gaming

What it does

Developer Tools software for decision-makers comparing workflow fit and alternatives.

Best fit

Software & Gaming

Pricing snapshot

Freemium from Free

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Knowl

Knowl is a local-first, open-source persistent memory layer built for AI coding agents. It stores facts with attached reasoning, evidence and provenance and records supersession relationships so retired facts remain queryable while the current fact is returned by default. Knowl runs in your repository (your code, embeddings and session history are not uploaded) and operates as an MCP server so agent clients can read and write memory while preserving auditability.

Knowl is designed for teams and developer workflows: reading memory is free, publishing lifts a fact into a shared workspace and is the paid action. The product emphasizes freshness, traceability and a review trail — every fact records what it replaced and what replaced it, making history a first-class feature rather than a simple changelog.

Knowl is an MCP memory server for Claude Code, Cursor and Codex. What your agents work out survives the session, and a change retires what it replaced — so the answer they read back is the current one.

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Key Features

Provenance, reasoning & evidence on every fact

Every fact carries its reasoning, its evidence and its provenance — observed, stated by a person, or inferred — so claims are checkable by design.

Supersession & immutable history

Facts record what they replaced and what replaced them. Superseded knowledge is never deleted — the old claim remains readable and queryable.

Local-first, repository-based storage

Knowl runs in your repository; code, embeddings and session history remain on your machine by default. Publishing is an explicit action to share into a workspace.

MCP server & adapter ecosystem

Knowl runs as an MCP server so any client that speaks MCP can integrate. Multiple adapters and one-command initializers are provided for popular agent clients.

CLI installer and developer tooling

A CLI package is provided (npm install -g), requires Node 20 or newer, and exposes commands to initialize and configure adapters.

Hosted publishing (Knowl Cloud) and access controls

A hosted memory layer (Knowl Cloud) lifts published facts into shared workspaces that only workspace members can read.

Secret scanning on publish

Every write is secret-scanned on the server on the way in; refused writes name what tripped the scan without echoing the value back.

Pricing

Free Tier Available

Accounts are free and the first workspace is free; reading/querying memory is free at every tier because agents read a local replica.

Free

Free
  • Accounts are free
  • First workspace is free
  • Reading queries is free (agents read a local replica)

Paid (publishing)

Pay when your team outgrows the Free tier
  • Publish facts into shared workspaces (paid action)
  • Workspace membership controls for shared knowledge

Use Cases

Persistent agent memory for coding agents

Keep agent-discovered facts (for example API rate limits or configuration values) recorded with evidence and provenance so agents do not rely on stale notes.

Team-shared workspace for evolving knowledge

Publish facts into a shared workspace so teammates read the current answer while historical claims remain queryable for audit and review.

Audit trails and review of decisions

Facts include who approved them and review-queue information, enabling traceability of who decided something and when.

Reduce failures from stale memory

By recording supersession and keeping retired answers available, Knowl reduces incidents where agents continue to surface outdated facts.

Integrations

Claude Code

Adapter (knowI init claude) — MCP + hooks integration for Claude Code.

Codex CLI

Adapter (knowl init codex) — MCP + hooks integration for Codex CLI.

Cursor

Adapter (knowl init cursor) — MCP + hooks integration for Cursor.

GitHub Copilot

Adapter (knowl init copilot) — MCP + hooks integration for GitHub Copilot.

OpenHands

Adapter (knowl init openhands) — MCP + hooks integration.

Antigravity

Adapter (knowl init antigravity) — MCP + hooks integration.

Windsurf

Adapter (knowl init windsurf) — MCP + gate integration.

Cline

Adapter (knowl init cline) — MCP + plugin integration.

Zed, JetBrains, Neovim, KIKiro

ACP integrations (knowl acp) for editor clients.

Claude Desktop, OpenCode and other MCP clients

Adapters and init commands for desktop and CLI clients; anything that speaks MCP works without a bespoke adapter.

Benefits

Improved freshness: supersession ensures current answers are returned and old facts are retained for history.
Auditability: every fact stores provenance, evidence and who approved or observed it.
Privacy & control: runs locally by default (code, embeddings and session history are not uploaded); publishing is explicit and access-controlled.

Limitations

Requires Node 20 or newer for the CLI (installation example shown).
Publishing facts into shared workspaces is a paid action — reading is free but publishing is subject to tier limits.

Frequently Asked Questions

What is Knowl Cloud?
A hosted memory layer for coding agents. Your agents write what they work out to a local store; publishing lifts a fact into a shared workspace your team reads from.
Does my code get uploaded?
No. The index, the embeddings and every session stay on your machine. Publishing is an explicit act, and only the fact you publish travels.
What happens when a stored fact stops being true?
It is superseded, not deleted. The new fact records what it replaced, the old one stays queryable as history, and only the current answer is returned by default.
How is this different from a wiki, or from a vector database?
A wiki has no idea when it went stale, and a vector store returns the old claim beside the new one. Knowl records supersession, so the answer you get is the current one.
Which clients does it work with?
Claude Code, Cursor, Codex, Gemini CLI and Claude Desktop, configured by one command. Anything that speaks MCP works without an adapter.
Who can see what my agents publish?
Only the members of the workspace you published into. Knowledge written privately stays on your machine until someone promotes it deliberately.
What stops a secret being published?
Every write is secret-scanned on the server, on the way in, every time — not once at setup. A refused write names what tripped it without echoing the value back.
How do I get started?
One repository is enough. Connect it, sign the CLI in, and let a week of work accumulate before you judge it.

Getting Started

  1. 1 Step 1: Install the CLI (example shown: npm install -g @dat999zx/knowl) with Node 20 or newer.
  2. 2 Step 2: Initialize an adapter for your agent client (e.g., knowl init claude, knowl init cursor, knowl init copilot) or run an ACP integration for editors.
  3. 3 Step 3: Connect a repository, sign the CLI in, let a week of work accumulate, and optionally publish facts to a shared workspace.

Support

docs

Read the docs link is available on the site for developer documentation and adapter instructions.

discord

Community Discord is listed on the site for discussion and help.

bug report

Report a bug link is provided on the site.

contact

Support / Contact links are available on the product site for direct inquiries.

API

Available: Yes

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