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Agent skill

Fathom Reference Architecture

by jeremylongshore in jeremylongshore/tons-of-skills-marketplace

Reference architecture for Fathom meeting intelligence integrations.

MITAuto-check passedBackend & APIs

Install Fathom Reference Architecture

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill fathom-reference-architecture -a claude-code

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

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace fathom-reference-architecture --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/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/.curated/fathom-reference-architecture .claude/skills/fathom-reference-architecture && 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-reference-architecture
GitHub stars
2.8k
Token cost
~903 tokens
SKILL.md length
225 words
Files
1
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Reference architecture for Fathom meeting intelligence integrations.

  • Works in 3 steps: Map meeting sources, identities,… → Separate development/staging/production… → Build idempotent integrations and…
  • With phrases like fathom architecture
  • SKILL.md covers Overview, Prerequisites, Instructions and Output, plus 7 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Fathom Reference Architecture is an agent skill from jeremylongshore/tons-of-skills-marketplace. Reference architecture for Fathom meeting intelligence integrations. Trigger with phrases like "fathom architecture", "fathom design", "fathom integration pattern".

Its SKILL.md is about 900 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts. Compatibility notes: Designed for Claude Code

It sits in Backend & APIs, covering Third-party API integration. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.

When your agent uses it

  • With phrases like fathom architecture
  • Fathom integration pattern

Example prompts

  • “fathom architecture”
  • “fathom design”
  • “fathom integration pattern”
  • “/fathom-reference-architecture”

Requirements

  • Docker
  • Compatibility (from SKILL.md): Designed for Claude Code
  • Pre-approved tools (allowed-tools): Read, Grep

Workflow steps

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

  1. Map meeting sources, identities, processing, integrations, access, and audit paths to owners.
  2. Separate development/staging/production credentials and use role-limited access at every boundary.
  3. Build idempotent integrations and fallback/rollback decisions before production automation.

What it can do on your machine

Read from SKILL.md and the folder at commit cfae287. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Grep

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

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

  • Network

    Links to these hosts (documentation or services it may open):

    • developers.fathom.ai

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

  • Credentials

    Names no API keys, tokens, secrets or passwords.

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

  • Compatibility

    Designed for Claude Code

    From compatibility in the SKILL.md frontmatter.

Context cost

Fathom Reference Architecture loads about 903 tokens when it runs. Until then it costs about 49 tokens; SKILL.md has 225 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~49
When it runs · the whole SKILL.md, loaded when a task matches
~903

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 jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 225 words, ~903 tokens.

Download SKILL.mdSave it as .claude/skills/fathom-reference-architecture/SKILL.md (or your agent's skills folder).
name
fathom-reference-architecture
description
Reference architecture for Fathom meeting intelligence integrations. Trigger with phrases like "fathom architecture", "fathom design", "fathom integration pattern".
allowed-tools
Read, Grep
compatibility
Designed for Claude Code
version
1.6.0
license
MIT
author
Jeremy Longshore <jeremy@intentsolutions.io>
tags
saas, meeting-intelligence, ai-notes, fathom

Fathom Reference Architecture

Overview

Define meeting ingestion, consent, Fathom processing, CRM/follow-up integration, redacted observability, retention, and incident boundaries as an owned system.

Prerequisites

  • A documented data/consent model, environment boundaries, integration owners, and approved data-retention policy.

Instructions

  1. Map meeting sources, identities, processing, integrations, access, and audit paths to owners.
  2. Separate development/staging/production credentials and use role-limited access at every boundary.
  3. Build idempotent integrations and fallback/rollback decisions before production automation.

Output

  • An architecture record with trust boundaries, ownership, consent/data controls, and reversible integration points.

Error Handling

ConditionSafe response
CRM or follow-up integration failsPause the affected automation and use the documented reconciliation path.
Access boundary is unclearUse the restrictive setting and escalate to the data/tenant owner.
Meeting content is exposedRestrict access and follow the incident procedure.

Examples

Model a development flow from a synthetic meeting to a scoped Fathom integration and test CRM record, retaining only opaque correlation/audit metadata. Promote the reviewed version through staging before a production canary; do not make summary output an unreviewed system of record.

Architecture

┌──────────────┐     ┌─────────────────┐     ┌──────────────────┐
│  Fathom AI   │────▶│  Webhook        │────▶│  Meeting DB      │
│  (Recordings)│     │  Handler        │     │  (PostgreSQL)    │
└──────────────┘     └─────────────────┘     └────────┬─────────┘
                                                       │
                     ┌─────────────────┐     ┌────────▼─────────┐
                     │  Action Item    │     │  CRM Sync        │
                     │  Extractor      │────▶│  (Salesforce/    │
                     └─────────────────┘     │   HubSpot)       │
                            │                └──────────────────┘
                     ┌──────▼──────────┐
                     │  Follow-up      │
                     │  Email Sender   │
                     └─────────────────┘

Project Structure

fathom-platform/
├── src/
│   ├── fathom_client.py
│   ├── webhook_handler.py
│   ├── transcript_processor.py
│   ├── action_extractor.py
│   ├── crm_sync.py
│   └── email_sender.py
├── sql/
│   └── schema.sql
├── tests/
│   ├── fixtures/
│   └── test_processor.py
└── deploy/
    ├── cloud-function/
    └── docker-compose.yaml

Key Design Decisions

DecisionChoiceRationale
Data deliveryWebhooksReal-time, no polling
StoragePostgreSQLStructured meeting data
ProcessingCloud FunctionServerless, scales with meeting volume
CRM syncAsync queueHandles CRM rate limits

Resources

Next Steps

This completes the Fathom skill pack. Start with fathom-install-auth.

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

Files

Just SKILL.md in skills/.curated/fathom-reference-architecture of jeremylongshore/tons-of-skills-marketplace.

Open the folder on GitHubat commit cfae287

Compare with similar skills

Fathom Reference Architecture next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Fathom Reference Architecture compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Fathom Reference Architecture this skilljeremylongshore/tons-of-skills-marketplace2.8k—~903Automated safety check: PassMIT
Sub2API AdminWei-Shaw/sub2api44k1 repos~717Automated safety check: PassLGPL-3.0
Firecrawl Build Onboardingfirecrawl/firecrawl190k1 repos~1.4kAutomated safety check: NotesISC
ToolJet Marketplace Plugin BuilderToolJet/ToolJet41k—~2.1kAutomated safety check: PassAGPL-3.0
Firecrawl Search Integrationfirecrawl/firecrawl190k1 repos~1.1kAutomated safety check: PassISC
CoinGecko API Reference2025Emma/vibe-coding-cn23k1 repos~646Automated safety check: PassMIT

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Categories

Questions about Fathom Reference Architecture

What does Fathom Reference Architecture do?

Reference architecture for Fathom meeting intelligence integrations. Fathom Reference Architecture is an agent skill from jeremylongshore/tons-of-skills-marketplace. Reference architecture for Fathom meeting intelligence integrations.

When should I use Fathom Reference Architecture?

Fathom Reference Architecture fits situations like: with phrases like fathom architecture; fathom integration pattern.

How do I install Fathom Reference Architecture in Claude Code?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill fathom-reference-architecture -a claude-code`. Or copy the skill folder (skills/.curated/fathom-reference-architecture in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/fathom-reference-architecture in your project. Claude Code loads it when a task matches its description.

How do I install Fathom Reference Architecture in Codex?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill fathom-reference-architecture -a codex`. Or copy the skill folder (skills/.curated/fathom-reference-architecture in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/fathom-reference-architecture in your project. Codex loads it when a task matches its description.

Can I use Fathom Reference Architecture 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 jeremylongshore/tons-of-skills-marketplace --skill fathom-reference-architecture -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-reference-architecture, .gemini/skills/fathom-reference-architecture, .github/skills/fathom-reference-architecture and .opencode/skills/fathom-reference-architecture in your project.

What does Fathom Reference Architecture need to run?

SKILL.md names no scripts, command-line tools or credentials: Fathom Reference Architecture is instructions for the agent only. Our summary lists: Docker. Its frontmatter pre-approves these tools: Read, Grep. Compatibility (from SKILL.md): Designed for Claude Code.

Does Fathom Reference Architecture access the network?

SKILL.md names 1 domain. As links in the text: developers.fathom.ai. This is read from the text; nothing was executed.

Is Fathom Reference Architecture 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 Reference Architecture use?

Fathom Reference Architecture is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Fathom Reference Architecture use?

About 903 tokens (SKILL.md is roughly 3.6k 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 Reference Architecture?

Skills that share tags, products or a category with Fathom Reference Architecture: Sub2API Admin (Wei-Shaw/sub2api, 44k stars), Firecrawl Build Onboarding (firecrawl/firecrawl, 190k stars), ToolJet Marketplace Plugin Builder (ToolJet/ToolJet, 41k stars) and Firecrawl Search Integration (firecrawl/firecrawl, 190k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Fathom Reference Architecture?

jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.

Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.