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Agent skill

Fathom

by CraftOS-dev in CraftOS-dev/CraftBot

Fathom API integration with managed OAuth. An agent skill from CraftOS-dev/CraftBot.

MITAuto-check passedBackend & APIs

Install Fathom

skills CLI
$ npx skills add CraftOS-dev/CraftBot --skill fathom -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install CraftOS-dev/CraftBot fathom --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/CraftOS-dev/CraftBot.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/fathom-api .claude/skills/fathom && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
fathom
GitHub stars
392
Token cost
~3.7k tokens
SKILL.md length
561 words
Files
4
Skills in repo
89
Repo updated
First seen
Licence
MIT

At a glance

Fathom API integration with managed OAuth. An agent skill from CraftOS-dev/CraftBot.

  • Works in 3 steps: Sign in or create an account at maton.ai → Go to maton.ai/settings → Copy your API key
  • Users want to retrieve meeting content
  • SKILL.md covers Quick Start, Base URL, Authentication and Connection Management, plus 6 more sections
  • Calls python and curl; reaches gateway.maton.ai and ctrl.maton.ai; needs MATON_API_KEY

What it does

Fathom is an agent skill from CraftOS-dev/CraftBot. Fathom API integration with managed OAuth. Access meeting recordings, transcripts, summaries, and manage webhooks. Use this skill when users want to retrieve meeting content, search recordings, or set up webhook notifications for new meetings. For other third party apps, use the api-gateway skill (https://clawhub.ai/byungkyu/api-gateway).

Its SKILL.md is about 3.7k tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files (for example `.clawhub/origin.json` and `_meta.json`). Compatibility notes: Requires network access and valid Maton API key

It sits in Backend & APIs, covering Webhooks, Microservices and OAuth and OpenID Connect. The repository describes itself as: One agent. Every kind of work. The licence is MIT.

When your agent uses it

  • Users want to retrieve meeting content
  • Search recordings
  • Set up webhook notifications for new meetings

Example prompts

  • “/fathom”

Requirements

  • Python 3
  • A credential in MATON_API_KEY
  • A credential in YOUR_API_KEY
  • Compatibility (from SKILL.md): Requires network access and valid Maton API key

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

  1. Sign in or create an account at maton.ai
  2. Go to maton.ai/settings
  3. Copy your API key

What it can do on your machine

Read from SKILL.md and the folder at commit b50970c. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • python
    • curl

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • gateway.maton.ai
    • ctrl.maton.ai
    • fathom.video
    • connect.maton.ai

    Also links to:

    • maton.ai
    • developers.fathom.ai
    • discord.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • MATON_API_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Requires network access and valid Maton API key

    From compatibility in the SKILL.md frontmatter.

Context cost

Fathom loads about 3.7k tokens when it runs. Until then it costs about 87 tokens; SKILL.md has 561 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~87
When it runs · the whole SKILL.md, loaded when a task matches
~3.7k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from CraftOS-dev/CraftBot at commit b50970c, republished under its MIT licence (© CraftOS-dev). 561 words, ~3,729 tokens.

Download SKILL.mdSave it as .claude/skills/fathom/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.
name
fathom
description
Fathom API integration with managed OAuth. Access meeting recordings, transcripts, summaries, and manage webhooks. Use this skill when users want to retrieve meeting content, search recordings, or set up webhook notifications for new meetings. For other third party apps, use the api-gateway skill (https://clawhub.ai/byungkyu/api-gateway).
compatibility
Requires network access and valid Maton API key
metadata.author
maton
metadata.version
1.0

Fathom

Access the Fathom API with managed OAuth authentication. Retrieve meeting recordings, transcripts, summaries, action items, and manage webhooks for notifications.

Quick Start

bash
# List recent meetings
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/fathom/external/v1/meetings')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Base URL

https://gateway.maton.ai/fathom/{native-api-path}

Replace {native-api-path} with the actual Fathom API endpoint path. The gateway proxies requests to api.fathom.ai and automatically injects your OAuth token.

Authentication

All requests require the Maton API key in the Authorization header:

Authorization: Bearer $MATON_API_KEY

Environment Variable: Set your API key as MATON_API_KEY:

bash
export MATON_API_KEY="YOUR_API_KEY"
Getting Your API Key
  1. Sign in or create an account at maton.ai
  2. Go to maton.ai/settings
  3. Copy your API key

Connection Management

Manage your Fathom OAuth connections at https://ctrl.maton.ai.

List Connections
bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections?app=fathom&status=ACTIVE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF
Create Connection
bash
python <<'EOF'
import urllib.request, os, json
data = json.dumps({'app': 'fathom'}).encode()
req = urllib.request.Request('https://ctrl.maton.ai/connections', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF
Get Connection
bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

json
{
  "connection": {
    "connection_id": "21fd90f9-5935-43cd-b6c8-bde9d915ca80",
    "status": "ACTIVE",
    "creation_time": "2025-12-08T07:20:53.488460Z",
    "last_updated_time": "2026-01-31T20:03:32.593153Z",
    "url": "https://connect.maton.ai/?session_token=...",
    "app": "fathom",
    "metadata": {}
  }
}

Open the returned url in a browser to complete OAuth authorization.

Delete Connection
bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}', method='DELETE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF
Specifying Connection

If you have multiple Fathom connections, specify which one to use with the Maton-Connection header:

bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/fathom/external/v1/meetings')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Maton-Connection', '21fd90f9-5935-43cd-b6c8-bde9d915ca80')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

If omitted, the gateway uses the default (oldest) active connection.

API Reference

Meetings
List Meetings
bash
GET /fathom/external/v1/meetings

Query parameters:

  • cursor - Cursor for pagination
  • created_after - Filter to meetings created after this timestamp (e.g., 2025-01-01T00:00:00Z)
  • created_before - Filter to meetings created before this timestamp
  • calendar_invitees_domains[] - Filter by company domains (pass once per value)
  • calendar_invitees_domains_type - Filter by invitee type: all, only_internal, one_or_more_external
  • recorded_by[] - Filter by email addresses of users who recorded meetings
  • teams[] - Filter by team names

Note: OAuth users cannot use include_transcript, include_summary, include_action_items, or include_crm_matches parameters on this endpoint. Use the /recordings/{recording_id}/summary and /recordings/{recording_id}/transcript endpoints instead.

Example with filters:

bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/fathom/external/v1/meetings?created_after=2025-01-01T00:00:00Z&teams[]=Sales')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

json
{
  "limit": 10,
  "next_cursor": "eyJwYWdlX251bSI6Mn0=",
  "items": [
    {
      "title": "Quarterly Business Review",
      "meeting_title": "QBR 2025 Q1",
      "recording_id": 123456789,
      "url": "https://fathom.video/xyz123",
      "share_url": "https://fathom.video/share/xyz123",
      "created_at": "2025-03-01T17:01:30Z",
      "scheduled_start_time": "2025-03-01T16:00:00Z",
      "scheduled_end_time": "2025-03-01T17:00:00Z",
      "recording_start_time": "2025-03-01T16:01:12Z",
      "recording_end_time": "2025-03-01T17:00:55Z",
      "calendar_invitees_domains_type": "one_or_more_external",
      "transcript_language": "en",
      "transcript": null,
      "default_summary": null,
      "action_items": null,
      "crm_matches": null,
      "recorded_by": {
        "name": "Alice Johnson",
        "email": "alice.johnson@acme.com",
        "email_domain": "acme.com",
        "team": "Marketing"
      },
      "calendar_invitees": [
        {
          "name": "Alice Johnson",
          "email": "alice.johnson@acme.com",
          "email_domain": "acme.com",
          "is_external": false,
          "matched_speaker_display_name": null
        }
      ]
    }
  ]
}
Recordings
Get Summary
bash
GET /fathom/external/v1/recordings/{recording_id}/summary

Query parameters:

  • destination_url - Optional URL for async callback. If provided, the summary will be POSTed to this URL.

Synchronous example:

bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/fathom/external/v1/recordings/123456789/summary')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

json
{
  "summary": {
    "template_name": "general",
    "markdown_formatted": "## Summary\n\nWe reviewed Q1 OKRs, identified budget risks, and agreed to revisit projections next month."
  }
}

Async example:

bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/fathom/external/v1/recordings/123456789/summary?destination_url=https://example.com/webhook')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF
Get Transcript
bash
GET /fathom/external/v1/recordings/{recording_id}/transcript

Query parameters:

  • destination_url - Optional URL for async callback. If provided, the transcript will be POSTed to this URL.

Synchronous example:

bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/fathom/external/v1/recordings/123456789/transcript')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

json
{
  "transcript": [
    {
      "speaker": {
        "display_name": "Alice Johnson",
        "matched_calendar_invitee_email": "alice.johnson@acme.com"
      },
      "text": "Let's revisit the budget allocations.",
      "timestamp": "00:05:32"
    }
  ]
}
Teams
List Teams
bash
GET /fathom/external/v1/teams

Query parameters:

  • cursor - Cursor for pagination

Example:

bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/fathom/external/v1/teams')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

json
{
  "limit": 25,
  "next_cursor": null,
  "items": [
    {
      "name": "Sales",
      "created_at": "2023-11-10T12:00:00Z"
    }
  ]
}
Team Members
List Team Members
bash
GET /fathom/external/v1/team_members

Query parameters:

  • cursor - Cursor for pagination
  • team - Team name to filter by

Example:

bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/fathom/external/v1/team_members?team=Sales')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

json
{
  "limit": 25,
  "next_cursor": null,
  "items": [
    {
      "name": "Bob Lee",
      "email": "bob.lee@acme.com",
      "created_at": "2024-06-01T08:30:00Z"
    }
  ]
}
Webhooks
Show full SKILL.md (251 more words)Show less
Create Webhook
bash
POST /fathom/external/v1/webhooks
Content-Type: application/json

{
  "destination_url": "https://example.com/webhook",
  "triggered_for": ["my_recordings", "my_shared_with_team_recordings"],
  "include_transcript": true,
  "include_summary": true,
  "include_action_items": true,
  "include_crm_matches": false
}

triggered_for options:

  • my_recordings - Your private recordings (excludes those shared with teams on Team Plans)
  • shared_external_recordings - Recordings shared with you by other users
  • my_shared_with_team_recordings - (Team Plans) Recordings you've shared with teams
  • shared_team_recordings - (Team Plans) Recordings from other users on your Team Plan

At least one of include_transcript, include_summary, include_action_items, or include_crm_matches must be true.

Example:

bash
python <<'EOF'
import urllib.request, os, json
data = json.dumps({'destination_url': 'https://example.com/webhook', 'triggered_for': ['my_recordings'], 'include_summary': True}).encode()
req = urllib.request.Request('https://gateway.maton.ai/fathom/external/v1/webhooks', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

json
{
  "id": "ikEoQ4bVoq4JYUmc",
  "url": "https://example.com/webhook",
  "secret": "whsec_x6EV6NIAAz3ldclszNJTwrow",
  "created_at": "2025-06-30T10:40:46Z",
  "include_transcript": false,
  "include_crm_matches": false,
  "include_summary": true,
  "include_action_items": false,
  "triggered_for": ["my_recordings"]
}
Delete Webhook
bash
DELETE /fathom/external/v1/webhooks/{id}

Example:

bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/fathom/external/v1/webhooks/ikEoQ4bVoq4JYUmc', method='DELETE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Returns 204 No Content on success.

Pagination

Use cursor for pagination. Response includes next_cursor when more results exist:

bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/fathom/external/v1/meetings?cursor=eyJwYWdlX251bSI6Mn0=')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Code Examples

JavaScript
javascript
const response = await fetch(
  'https://gateway.maton.ai/fathom/external/v1/meetings?created_after=2025-01-01T00:00:00Z',
  {
    headers: {
      'Authorization': `Bearer ${process.env.MATON_API_KEY}`
    }
  }
);
const data = await response.json();
Python
python
import os
import requests

response = requests.get(
    "https://gateway.maton.ai/fathom/external/v1/meetings",
    headers={"Authorization": f"Bearer {os.environ['MATON_API_KEY']}"},
    params={"created_after": "2025-01-01T00:00:00Z"},
)
data = response.json()

Notes

  • Recording IDs are integers
  • Timestamps are in ISO 8601 format
  • Transcripts and summaries are in English
  • Webhook secrets are used to verify webhook signatures
  • CRM matches only return data from your or your team's linked CRM
  • IMPORTANT: When using curl commands, use curl -g when URLs contain brackets (fields[], sort[], records[]) to disable glob parsing
  • IMPORTANT: When piping curl output to jq or other commands, environment variables like $MATON_API_KEY may not expand correctly in some shell environments. You may get "Invalid API key" errors when piping.

Error Handling

StatusMeaning
400Bad request or missing Fathom connection
401Invalid or missing Maton API key
404Resource not found
429Rate limited
4xx/5xxPassthrough error from Fathom API
Troubleshooting: API Key Issues
  1. Check that the MATON_API_KEY environment variable is set:
bash
echo $MATON_API_KEY
  1. Verify the API key is valid by listing connections:
bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF
Troubleshooting: Invalid App Name
  1. Ensure your URL path starts with fathom. For example:
  • Correct: https://gateway.maton.ai/fathom/external/v1/meetings
  • Incorrect: https://gateway.maton.ai/external/v1/meetings

Resources

© CraftOS-dev, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 3 other files in skills/fathom-api of CraftOS-dev/CraftBot.

  • SKILL.md
  • .clawhub/origin.json
  • LICENSE.txt
  • _meta.json

Open the folder on GitHubat commit b50970c

Compare with similar skills

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Categories

Questions about Fathom

What does Fathom do?

Fathom API integration with managed OAuth. An agent skill from CraftOS-dev/CraftBot. Fathom is an agent skill from CraftOS-dev/CraftBot. Fathom API integration with managed OAuth.

When should I use Fathom?

Fathom fits situations like: users want to retrieve meeting content; search recordings; set up webhook notifications for new meetings.

How do I install Fathom in Claude Code?

Run `npx skills add CraftOS-dev/CraftBot --skill fathom -a claude-code`. Or copy the skill folder (skills/fathom-api in CraftOS-dev/CraftBot) into .claude/skills/fathom in your project. Claude Code loads it when a task matches its description.

How do I install Fathom in Codex?

Run `npx skills add CraftOS-dev/CraftBot --skill fathom -a codex`. Or copy the skill folder (skills/fathom-api in CraftOS-dev/CraftBot) into .agents/skills/fathom in your project. Codex loads it when a task matches its description.

Can I use Fathom in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add CraftOS-dev/CraftBot --skill fathom -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/fathom, .gemini/skills/fathom, .github/skills/fathom and .opencode/skills/fathom in your project.

What does Fathom need to run?

Going by SKILL.md and its folder, Fathom needs the command-line tools its instructions call (python and curl) and credentials named MATON_API_KEY. Our summary lists: Python 3; A credential in MATON_API_KEY; A credential in YOUR_API_KEY. Compatibility (from SKILL.md): Requires network access and valid Maton API key.

Does Fathom access the network?

SKILL.md names 7 domains. In commands or code: gateway.maton.ai, ctrl.maton.ai, fathom.video and connect.maton.ai; the agent is likely to contact these when it follows the instructions. As links in the text: maton.ai, developers.fathom.ai and discord.com. This is read from the text; nothing was executed.

Is Fathom safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Fathom use?

Fathom is published under the MIT licence (from the LICENSE file in the skill folder). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Fathom use?

About 3.7k tokens (SKILL.md is roughly 15k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Fathom?

Skills that share tags, products or a category with Fathom: Clickfunnels (LeoYeAI/openclaw-master-skills, 2.2k stars), Mailgun (LeoYeAI/openclaw-master-skills, 2.2k stars), Discord Php Bot Security (discord-php/DiscordPHP, 1.1k stars) and Frappe Core API (Impertio-Studio/Frappe_Claude_Skill_Package, 187 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Fathom?

CraftOS-dev (a GitHub user) maintains it in CraftOS-dev/CraftBot, which has 392 GitHub stars. The repository holds 89 skills in this directory. The repository was last updated on October 7, 2026.

Source: CraftOS-dev/CraftBot on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.