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Agent skill

Fondo Webhooks Events

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

Implement event-driven financial workflows using webhooks from Fondo-connected services: Stripe payment events, Gusto payroll events, and Plaid transactions.

MITAuto-check passedBackend & APIs

Install Fondo Webhooks Events

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill fondo-webhooks-events -a claude-code

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

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace fondo-webhooks-events --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/fondo-webhooks-events .claude/skills/fondo-webhooks-events && 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
fondo-webhooks-events
GitHub stars
2.8k
Token cost
~850 tokens
SKILL.md length
173 words
Files
1
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Implement event-driven financial workflows using webhooks from Fondo-connected services: Stripe payment events, Gusto payroll events, and Plaid transactions.

  • Tasks that involve Webhooks
  • SKILL.md covers Prerequisites, Output, Error Handling and Examples, plus 5 more sections
  • Needs STRIPE_API_KEY and STRIPE_WEBHOOK_SECRET

What it does

Fondo Webhooks Events is an agent skill from jeremylongshore/tons-of-skills-marketplace. Implement event-driven financial workflows using webhooks from Fondo-connected services: Stripe payment events, Gusto payroll events, and Plaid transactions. Trigger: "fondo webhooks", "fondo events", "stripe payroll webhooks", "financial events".

Its SKILL.md is about 850 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 Webhooks. It works with Stripe. 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

  • Tasks that involve Webhooks

Example prompts

  • “fondo webhooks”
  • “fondo events”
  • “stripe payroll webhooks”
  • “/fondo-webhooks-events”

Requirements

  • A credential in STRIPE_API_KEY
  • A credential in STRIPE_WEBHOOK_SECRET
  • Compatibility (from SKILL.md): Designed for Claude Code
  • Pre-approved tools (allowed-tools): Read, Write, Edit, Bash(npm:*)

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
    • Write
    • Edit
    • Bash(npm:*)

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are typescript).

    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):

    • stripe.com
    • docs.gusto.com
    • plaid.com

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

  • Credentials

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

    • STRIPE_API_KEY
    • STRIPE_WEBHOOK_SECRET

    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

Fondo Webhooks Events loads about 850 tokens when it runs. Until then it costs about 67 tokens; SKILL.md has 173 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~67
When it runs · the whole SKILL.md, loaded when a task matches
~850

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). 173 words, ~850 tokens.

Download SKILL.mdSave it as .claude/skills/fondo-webhooks-events/SKILL.md (or your agent's skills folder).
name
fondo-webhooks-events
description
Implement event-driven financial workflows using webhooks from Fondo-connected services: Stripe payment events, Gusto payroll events, and Plaid transactions. Trigger: "fondo webhooks", "fondo events", "stripe payroll webhooks", "financial events".
allowed-tools
Read, Write, Edit, Bash(npm:*)
compatibility
Designed for Claude Code
version
1.6.0
license
MIT
author
Jeremy Longshore <jeremy@intentsolutions.io>
tags
saas, accounting, fondo

Fondo Webhooks & Events

Prerequisites

A signing secret in the secret manager, raw-body validation, event ledger, approved destinations, redaction policy, and synthetic fixtures.

Output

Return opaque event ID, signature result, idempotency outcome, destination status, and redacted error category. Keep financial payloads and credentials out of logs.

Error Handling

Reject invalid signatures, quarantine unknown schemas or destinations, bound retries, and pause downstream processing on access or reconciliation failures.

Examples

Deliver a fictional signed event twice and confirm only the first is processed; reject an invalid signature without logging its payload or forwarding data.

Overview

Fondo itself does not send webhooks. Instead, build event-driven workflows using webhooks from the same providers Fondo connects to: Stripe (revenue), Gusto (payroll), Plaid (bank transactions), and Mercury (banking).

Provider Webhooks

ProviderKey EventsUse Case
Stripecharge.succeeded, invoice.paidRevenue tracking, MRR alerts
Gustopayroll.processed, employee.createdPayroll cost alerts, headcount
Plaidtransactions.sync, item.errorExpense monitoring
Mercurytransaction.createdReal-time spend tracking

Instructions

Stripe Revenue Webhook
typescript
import Stripe from 'stripe';
const stripe = new Stripe(process.env.STRIPE_API_KEY!);

app.post('/webhooks/stripe', express.raw({ type: '*/*' }), (req, res) => {
  const sig = req.headers['stripe-signature'] as string;
  const event = stripe.webhooks.constructEvent(
    req.body, sig, process.env.STRIPE_WEBHOOK_SECRET!
  );

  switch (event.type) {
    case 'charge.succeeded':
      const amount = (event.data.object as Stripe.Charge).amount / 100;
      console.log(`Revenue: $${amount}`);
      // Update internal dashboard
      break;
    case 'invoice.paid':
      // MRR tracking
      break;
  }
  res.sendStatus(200);
});
Gusto Payroll Webhook
typescript
// Gusto sends webhooks when payroll is processed
app.post('/webhooks/gusto', express.json(), async (req, res) => {
  const { event_type, data } = req.body;

  if (event_type === 'payroll.processed') {
    const totalPayroll = data.totals.gross_pay;
    console.log(`Payroll processed: $${totalPayroll}`);
    // Alert if significantly different from budget
    if (totalPayroll > monthlyPayrollBudget * 1.1) {
      await sendAlert(`Payroll exceeded budget by ${((totalPayroll / monthlyPayrollBudget - 1) * 100).toFixed(0)}%`);
    }
  }
  res.sendStatus(200);
});

Resources

Next Steps

For performance optimization, see fondo-performance-tuning.

© 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/fondo-webhooks-events of jeremylongshore/tons-of-skills-marketplace.

Open the folder on GitHubat commit cfae287

Compare with similar skills

Fondo Webhooks Events 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.

Fondo Webhooks Events compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Fondo Webhooks Events this skilljeremylongshore/tons-of-skills-marketplace2.8k—~850Automated safety check: PassMIT
Stripe Appsfossasia/eventyay1.7k1 repos~3.6kAutomated safety check: PassApache-2.0
Stripe Best Practiceskanchengw/cnllm1732 repos~925Automated safety check: PassApache-2.0
Cashier Stripe Developmentluadotsh/lua3431 repos~1.2kAutomated safety check: PassMIT
Stripe Best Practicesfossasia/eventyay1.7k1 repos~1.7kAutomated safety check: PassApache-2.0
Stripe Integrationwshobson/agents40k10 repos~1kAutomated safety check: PassMIT

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Works with

Categories

Questions about Fondo Webhooks Events

What does Fondo Webhooks Events do?

Implement event-driven financial workflows using webhooks from Fondo-connected services: Stripe payment events, Gusto payroll events, and Plaid transactions. Fondo Webhooks Events is an agent skill from jeremylongshore/tons-of-skills-marketplace. Implement event-driven financial workflows using webhooks from Fondo-connected services: Stripe payment events, Gusto payroll events, and Plaid transactions.

When should I use Fondo Webhooks Events?

Fondo Webhooks Events fits situations like: tasks that involve Webhooks.

How do I install Fondo Webhooks Events in Claude Code?

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

How do I install Fondo Webhooks Events in Codex?

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

Can I use Fondo Webhooks Events 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 fondo-webhooks-events -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/fondo-webhooks-events, .gemini/skills/fondo-webhooks-events, .github/skills/fondo-webhooks-events and .opencode/skills/fondo-webhooks-events in your project.

What does Fondo Webhooks Events need to run?

Going by SKILL.md and its folder, Fondo Webhooks Events needs credentials named STRIPE_API_KEY and STRIPE_WEBHOOK_SECRET. Our summary lists: A credential in STRIPE_API_KEY; A credential in STRIPE_WEBHOOK_SECRET. Its frontmatter pre-approves these tools: Read, Write, Edit, Bash(npm:*). Compatibility (from SKILL.md): Designed for Claude Code.

Does Fondo Webhooks Events access the network?

SKILL.md names 3 domains. As links in the text: stripe.com, docs.gusto.com and plaid.com. This is read from the text; nothing was executed.

Is Fondo Webhooks Events 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 Fondo Webhooks Events use?

Fondo Webhooks Events 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 Fondo Webhooks Events use?

About 850 tokens (SKILL.md is roughly 3.4k 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 Fondo Webhooks Events?

Skills that share tags, products or a category with Fondo Webhooks Events: Stripe Apps (fossasia/eventyay, 1.7k stars), Stripe Best Practices (kanchengw/cnllm, 173 stars), Cashier Stripe Development (luadotsh/lua, 343 stars) and Stripe Best Practices (fossasia/eventyay, 1.7k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Fondo Webhooks Events?

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.