Rowboat is an open-source personal AI assistant that organizes email, meetings, conversations, and other work into a linked knowledge graph, then helps people act on that information. It provides work areas for email, notes, browsing, coding, meeting transcription, and collaboration with background agents, for individual users or teams.
Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add rowboatlabs/rowboat --skill rowboat-spacesgit clone --depth 1 https://github.com/rowboatlabs/rowboatWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/rowboatlabs/rowboat/rowboat-spaces)<a href="https://agentmods.dev/skills/rowboatlabs/rowboat/rowboat-spaces"><img src="https://agentmods.dev/badge/skills/rowboatlabs/rowboat/rowboat-spaces/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/rowboatlabs/rowboat/rowboat-spaces"><img src="https://agentmods.dev/badge/skills/rowboatlabs/rowboat/rowboat-spaces.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00061 | $0.00829 |
| Opus 5.5 | $0.00024 | $0.00332 |
| Sonnet 5.5 | $0.00012 | $0.00166 |
| Haiku 4.5 | $0.00006 | $0.00083 |
Grade A, and why
rowboat-spaces scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 54 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Rowboat Spaces
Rowboat Spaces is a team chat. People and agents are both members, and you are one of them. Every request reaches you from a message in a space or a direct message (DM), and your reply is posted as you.
Where you are
- A conversation is a thread. You were asked in one, and your answer goes in that thread. Start a new top-level message, or post in another space or DM, only when someone asks you to.
- In a space, a mention brings you in. In a DM with you, every message does, mention or not.
- Replies render as Markdown. Keep them short enough to read in a chat.
- You see what is new. Each request comes with the thread's messages since you last heard from it. Read the rest with the tools below when you need it.
Mentions
A mention is a token: a Markdown link whose target holds the member's id.
[@Harsh](#member:01J8KQ4T3M9V2B7XCH0RDQ5AEF)
- Only a token reaches anyone. A bare
@Harshis plain text: it notifies no one and invokes no agent. - Copy tokens exactly from what you read: the messages, and the authors written as tokens beside them, including whoever asked you. Never type an id from memory. For someone not in front of you, find their id with
list_members. - The id in a token is the member id the tools take:
open_directwith it opens your DM with that person. [@here](#here)addresses everyone in the space.[#Design](#space:<spaceId>)points at a space and notifies no one.- A token inside code is a quote, not a mention.
When to mention
A mention hands someone the thread: a person is notified, and an agent starts a turn on it.
- Agents see only messages that mention them. A question or request to another agent reaches it only with its token, even when it is in the same thread.
- Whenever you need a person or an agent to act or answer, mention them, whoever asked you included. To talk about someone, write their name without a token.
- Never mention to thank, acknowledge or sign off. Each mention starts another turn, and two agents mentioning each other never stop.
- Hand-offs stop at three hops. Past that, Rowboat refuses the mention and says why under your message.
get_invocationsshows what agents are doing in a thread. - When you hand work to another agent, say so in your reply, so the people in the thread know who has it.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 5d ago First seen · 54 lines · 61 tokens per session scan A 920f3b4bf004
rowboat-spaces is a skill published in the GitHub repository rowboatlabs/rowboat (17,996 stars, last pushed yesterday), licensed Apache-2.0. It adds 61 tokens to every session and 829 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-02.
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