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Agent skill

Firecrawl Webhooks Events

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

Receive, verify, deduplicate, process, and reconcile current Firecrawl crawl, batch, extract, agent, and monitor webhooks.

MITAuto-check passedBackend & APIs

Install Firecrawl Webhooks Events

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

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

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace firecrawl-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/firecrawl-webhooks-events .claude/skills/firecrawl-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
firecrawl-webhooks-events
GitHub stars
2.8k
Token cost
~1.2k tokens
SKILL.md length
510 words
Files
2 (incl. references)
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Receive, verify, deduplicate, process, and reconcile current Firecrawl crawl, batch, extract, agent, and monitor webhooks.

  • Works in 7 steps: Register an HTTPS endpoint and choose… → Capture the raw body before any JSON… → Reject missing, malformed, or mismatched… → …
  • Building asynchronous event delivery
  • SKILL.md covers Overview, Prerequisites, Current Contract and Authentication, plus 7 more sections
  • Needs FIRECRAWL_API_KEY

What it does

Firecrawl Webhooks Events is an agent skill from jeremylongshore/tons-of-skills-marketplace. Receive, verify, deduplicate, process, and reconcile current Firecrawl crawl, batch, extract, agent, and monitor webhooks. Use when building asynchronous event delivery. Trigger with "Firecrawl webhook", "X-Firecrawl-Signature", or "Firecrawl events".

Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/official-docs.md`). Compatibility notes: Designed for Claude Code; Firecrawl Cloud work requires network access

It sits in Backend & APIs, covering Web scraping and Webhooks. It works with Firecrawl. 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

  • Building asynchronous event delivery
  • With Firecrawl webhook
  • X-Firecrawl-Signature
  • Firecrawl events

Example prompts

  • “Firecrawl webhook”
  • “X-Firecrawl-Signature”
  • “Firecrawl events”
  • “/firecrawl-webhooks-events”

Requirements

  • A credential in FIRECRAWL_API_KEY
  • Compatibility (from SKILL.md): Designed for Claude Code; Firecrawl Cloud work requires network access
  • Pre-approved tools (allowed-tools): Read, Glob, Grep, Write, Edit

Workflow steps

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

  1. Register an HTTPS endpoint and choose only the events required for the workflow. Store the account webhook secret in an approved secret…
  2. Capture the raw body before any JSON parser. Require one X-Firecrawl-Signature value, split and validate the sha256 prefix, hex-decode…
  3. Reject missing, malformed, or mismatched signatures before parsing, logging, queuing, or mutating state. Never treat a missing secret as…
  4. Parse the verified envelope, allowlist exact event types and schema, bind it to the expected team/job, and deduplicate by webhookId plus…
  5. Persist an inbox record and respond with 2xx inside the deadline; process content and downstream writes asynchronously with tenant…
  6. Handle page and terminal events according to their documented family. Do not wait for nonexistent crawl.failed or batch_scrape.failed…
  7. Test signatures, raw-body mutation, duplicates, reordering, retry timing, unknown events, partial pages, crash recovery, and status…

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
    • Glob
    • Grep
    • Write
    • Edit

    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

    No URLs in SKILL.md.

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

  • Credentials

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

    • FIRECRAWL_API_KEY

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

  • Compatibility

    Designed for Claude Code; Firecrawl Cloud work requires network access

    From compatibility in the SKILL.md frontmatter.

Context cost

Firecrawl Webhooks Events loads about 1.2k tokens when it runs, and up to ~1.6k if it reads all its reference files. Until then it costs about 69 tokens; SKILL.md has 510 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~69
When it runs · the whole SKILL.md, loaded when a task matches
~1.2k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.6k

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). 510 words, ~1,154 tokens.

Download SKILL.mdSave it as .claude/skills/firecrawl-webhooks-events/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
firecrawl-webhooks-events
description
Receive, verify, deduplicate, process, and reconcile current Firecrawl crawl, batch, extract, agent, and monitor webhooks. Use when building asynchronous event delivery. Trigger with "Firecrawl webhook", "X-Firecrawl-Signature", or "Firecrawl events".
allowed-tools
Read, Glob, Grep, Write, Edit
compatibility
Designed for Claude Code; Firecrawl Cloud work requires network access
argument-hint
<repository-path> <event-family>
version
1.12.0
license
MIT
author
Jeremy Longshore <jeremy@intentsolutions.io>
tags
saas, firecrawl, webhooks, security
model
inherit
effort
high

Firecrawl Signed Webhook Processing

Overview

Treat a webhook as an authenticated delivery hint into a durable state machine. Verify before parsing or side effects, acknowledge promptly, and reconcile through status APIs after missed delivery.

Prerequisites

  • The target repository or integration path and the requested operator outcome.
  • The source authorization, data classification, and environment policy.
  • Current Firecrawl documentation, credentials only when needed, and an owner for approvals.

Current Contract

Firecrawl signs the raw request body with HMAC-SHA256 in X-Firecrawl-Signature formatted sha256=hex. The documented events are crawl.started/page/completed; batch_scrape.started/page/completed; extract.started/completed/failed; agent.started/action/completed/failed/cancelled; monitor.page and monitor.check.completed. Endpoints must return 2xx within 10 seconds; failed delivery retries after 1, 5, and 15 minutes, then stops.

Authentication

For authenticated Cloud operations, inject FIRECRAWL_API_KEY from an approved secret manager. REST requests use Authorization: Bearer with the key. Never print, commit, transmit, or place a key in a URL. Keyless access is suitable only where the current documentation explicitly allows it and the workload accepts its limits; production workflows should make identity and team ownership explicit.

Instructions

  1. Register an HTTPS endpoint and choose only the events required for the workflow. Store the account webhook secret in an approved secret manager.
  2. Capture the raw body before any JSON parser. Require one X-Firecrawl-Signature value, split and validate the sha256 prefix, hex-decode safely, and compare equal-length digests timing-safely.
  3. Reject missing, malformed, or mismatched signatures before parsing, logging, queuing, or mutating state. Never treat a missing secret as verification success.
  4. Parse the verified envelope, allowlist exact event types and schema, bind it to the expected team/job, and deduplicate by webhookId plus event/job context.
  5. Persist an inbox record and respond with 2xx inside the deadline; process content and downstream writes asynchronously with tenant isolation and idempotency.
  6. Handle page and terminal events according to their documented family. Do not wait for nonexistent crawl.failed or batch_scrape.failed events; reconcile job status and pagination.
  7. Test signatures, raw-body mutation, duplicates, reordering, retry timing, unknown events, partial pages, crash recovery, and status reconciliation.
Show full SKILL.md (180 more words)Show less

Tool Discipline

Use Read, Glob, and Grep to inspect code, configuration, tests, and evidence. Use Write/Edit only for approved implementation or documentation changes. Do not call Firecrawl, rotate keys, change account settings, scrape a target, or deploy merely because this skill was invoked.

Approval Boundaries

Require approval before creating the endpoint, storing a webhook secret, adding custom webhook headers/metadata, retaining page payloads, replaying production events, or changing event filters.

Output

Return endpoint and event scope, secret reference, verification algorithm, schema/idempotency model, acknowledgment boundary, reconciliation path, test evidence, metrics, and replay/rollback controls.

Error Handling

  • Signature or raw body is unavailable: return a non-2xx rejection and perform no side effect.
  • Processing fails after acknowledgment: retry from the durable inbox and reconcile provider state.
  • Retries are exhausted or a terminal event is missing: poll the documented job status and paginate results.

Examples

  • "Add a crawl webhook" handles started/page/completed and reconciles status for failure.
  • "Skip verification when the secret is unset" is explicitly rejected.

Resources

Read official Firecrawl evidence before relying on an endpoint, SDK method, plan limit, price, retention option, or self-hosted release.

© 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

SKILL.md and 1 other file (references) in skills/.curated/firecrawl-webhooks-events of jeremylongshore/tons-of-skills-marketplace.

  • SKILL.md
  • references/official-docs.md

Open the folder on GitHubat commit cfae287

Compare with similar skills

Firecrawl 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.

Firecrawl Webhooks Events compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Firecrawl Webhooks Events this skilljeremylongshore/tons-of-skills-marketplace2.8k—~1.2kAutomated safety check: PassMIT
Firecrawl Build Onboardingfirecrawl/firecrawl190k1 repos~1.4kAutomated safety check: NotesISC
Firecrawl Search Integrationfirecrawl/firecrawl190k1 repos~1.1kAutomated safety check: PassISC
X Twitter ScraperXquik-dev/x-twitter-scraper2111 repos~2.6kAutomated safety check: PassMIT
Fullenrich Event AttendeesOthmane-Khadri/YALC-the-GTM-operating-system318—~1.4kAutomated safety check: WarnMIT
X Twitter Scrapersickn33/agentic-awesome-skills47k1 repos~2.1kAutomated safety check: PassMIT

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Works with

Categories

Questions about Firecrawl Webhooks Events

What does Firecrawl Webhooks Events do?

Receive, verify, deduplicate, process, and reconcile current Firecrawl crawl, batch, extract, agent, and monitor webhooks. Firecrawl Webhooks Events is an agent skill from jeremylongshore/tons-of-skills-marketplace. Receive, verify, deduplicate, process, and reconcile current Firecrawl crawl, batch, extract, agent, and monitor webhooks.

When should I use Firecrawl Webhooks Events?

Firecrawl Webhooks Events fits situations like: building asynchronous event delivery; with Firecrawl webhook; X-Firecrawl-Signature; firecrawl events.

How do I install Firecrawl Webhooks Events in Claude Code?

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

How do I install Firecrawl Webhooks Events in Codex?

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

Can I use Firecrawl 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 firecrawl-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/firecrawl-webhooks-events, .gemini/skills/firecrawl-webhooks-events, .github/skills/firecrawl-webhooks-events and .opencode/skills/firecrawl-webhooks-events in your project.

What does Firecrawl Webhooks Events need to run?

Going by SKILL.md and its folder, Firecrawl Webhooks Events needs credentials named FIRECRAWL_API_KEY. Our summary lists: A credential in FIRECRAWL_API_KEY. Its frontmatter pre-approves these tools: Read, Glob, Grep, Write, Edit. Compatibility (from SKILL.md): Designed for Claude Code; Firecrawl Cloud work requires network access.

Does Firecrawl Webhooks Events access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Firecrawl 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 Firecrawl Webhooks Events use?

Firecrawl 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 Firecrawl Webhooks Events use?

About 1.2k tokens (SKILL.md is roughly 4.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 454 tokens, read only when the agent opens those files.

What are the alternatives to Firecrawl Webhooks Events?

Skills that share tags, products or a category with Firecrawl Webhooks Events: Firecrawl Build Onboarding (firecrawl/firecrawl, 190k stars), Firecrawl Search Integration (firecrawl/firecrawl, 190k stars), X Twitter Scraper (Xquik-dev/x-twitter-scraper, 211 stars) and Fullenrich Event Attendees (Othmane-Khadri/YALC-the-GTM-operating-system, 318 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Firecrawl 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.