| What it is | A company brain for a team's coding agents. It learns the rules your team decides and serves the ones that apply to each session. | A context engine for engineering teams. It reads code, conversations, issues and docs and gives people and agents reconciled answers with citations. |
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| Where the knowledge comes from | Slack, GitHub, GitLab, Notion, Confluence, Jira, Linear, Google Drive and Granola, plus what agent sessions record. | About 45 connectors: code and PRs, Slack and Teams, docs, issue trackers, CI and runtime tools, plus corrections people make. |
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| Who decides what gets in | You set the gate. Manual holds everything for a person, Hybrid adds routine rules and holds the important ones, Auto adds everything else. A contradiction always waits for a person. | Nobody approves rules: it learns strongly supported conventions from recurring review feedback, and anyone in the org can correct or remove a shared memory. |
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| How it reaches the agent | Hooks add the rules that apply to the session before the agent writes a line. The same rules are on an MCP server, the CLI and /harbor in Slack. | The agent asks through MCP tools or the CLI. People ask in Slack, on the web or through the API. |
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| When a decision changes | When a push deletes the file a rule is about, the rule is retired, or flagged if other repos still use it. A newer decision that contradicts a rule waits for a person. | Answers weigh current code, recency and expertise, a conflict it cannot settle is shown, and a cited source can be archived with a reason. |
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| Seeing what was used | Every rule shows how often it was served and how often an answer cited it. | Admins see MCP tool calls by coding agent, and answer ratings. |
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| Stopping a risky command | Block rules refuse a command before it runs, in Claude Code, Cursor and Codex, and hand the agent something to run instead. | Not part of the product. |
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| Agents | Claude Code, Cursor and Codex. | Claude Code, Cursor, Windsurf, GitHub Copilot, Codex, OpenCode and any MCP agent. |
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| Open source and hosting | The CLI, harborloop, is MIT licensed on npm. The service is hosted. | Hosted, with on-prem on Enterprise. A few small tools are open source under MIT. |
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| Price | In early access: join the waitlist and we let teams in by hand. Free costs nothing for your whole team on one source, Pro is $24 per person a month billed yearly or $30 monthly, and Premium is $36, or $45 monthly. | $29 per user a month billed yearly, $35 monthly, after a 21-day trial. No free plan. |
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| Best for | Engineering teams who want every coding session to start with what the team decided. | Engineers who want answers on demand from everything the team has written. |
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