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 glebis/claude-skills --skill fathomgit clone --depth 1 https://github.com/glebis/claude-skillsWrote 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/glebis/claude-skills/fathom)<a href="https://agentmods.dev/skills/glebis/claude-skills/fathom"><img src="https://agentmods.dev/badge/skills/glebis/claude-skills/fathom/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/glebis/claude-skills/fathom"><img src="https://agentmods.dev/badge/skills/glebis/claude-skills/fathom.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00040 | $0.00772 |
| Opus 5 | $0.00020 | $0.00386 |
| Sonnet 5 | $0.00008 | $0.00154 |
| Haiku 4.5 | $0.00004 | $0.00077 |
Grade A, and why
fathom 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 10d 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 — 129 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Fathom Meeting Fetcher
Fetches meeting data directly from Fathom API including transcripts, AI summaries, action items, and participant info.
Usage
python3 ~/.claude/skills/fathom/scripts/fetch.py [options]
Commands
| Command | Description |
|---|---|
--list |
List recent meetings with IDs |
--id <id> |
Fetch specific meeting by recording ID |
--today |
Fetch all meetings from today |
--since <date> |
Fetch meetings since date (YYYY-MM-DD) |
Options
| Option | Description |
|---|---|
--analyze |
Run transcript-analyzer on fetched meetings |
--download-video |
Download video recording (requires ffmpeg) |
--output <path> |
Output directory (default: ~/Brains/brain) |
--limit <n> |
Max meetings to list (default: 10) |
Examples
List recent meetings
python3 ~/.claude/skills/fathom/scripts/fetch.py --list
Fetch today's meetings
python3 ~/.claude/skills/fathom/scripts/fetch.py --today
Fetch and analyze
python3 ~/.claude/skills/fathom/scripts/fetch.py --today --analyze
Fetch since date
python3 ~/.claude/skills/fathom/scripts/fetch.py --since 2025-01-01
Fetch specific meeting
python3 ~/.claude/skills/fathom/scripts/fetch.py --id abc123def456
Download video with meeting
python3 ~/.claude/skills/fathom/scripts/fetch.py --id abc123def456 --download-video
Output Format
Each meeting is saved as markdown with:
---
fathom_id: <id>
title: "Meeting Title"
date: YYYY-MM-DD
participants: [list]
duration: HH:MM
fathom_url: <url>
share_url: <url>
---
# Meeting Title
## Summary
{AI-generated summary from Fathom}
## Action Items
- [ ] Item 1 (@assignee)
- [ ] Item 2
## Transcript
**Speaker Name**: What they said...
File Naming
Files are saved as: YYYYMMDD-meeting-title-slug.md
Example: 20250106-weekly-standup.md
Prerequisites
Install dependencies (first time):
pip install requests python-dotenv
What ships with it
5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 10d ago First seen · 129 lines · 40 tokens per session scan A 1a967b4ae5f9
fathom is a skill published in the GitHub repository glebis/claude-skills (374 stars, last pushed 7d ago), licensed MIT. It adds 40 tokens to every session and 772 once invoked, about $0.0002 per session on Opus 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 2026-08-30.
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