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Agent skill

Notion Webhooks Events

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

Implement verified Notion connection-webhook intake with deduplication, bounded processing, and fetch-current reconciliation.

MITAuto-check passedBackend & APIs

Install Notion Webhooks Events

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

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

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace notion-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/notion-webhooks-events .claude/skills/notion-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
notion-webhooks-events
GitHub stars
2.8k
Token cost
~1k tokens
SKILL.md length
422 words
Files
2 (incl. references)
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Implement verified Notion connection-webhook intake with deduplication, bounded processing, and fetch-current reconciliation.

  • Works in 6 steps: Define subscribed event types, data… → Implement the verification handshake… → Verify the raw-body signature before… → …
  • Reacting to workspace change signals
  • SKILL.md covers Overview, Prerequisites, Current Contract and Authentication, plus 8 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Notion Webhooks Events is an agent skill from jeremylongshore/tons-of-skills-marketplace. Implement verified Notion connection-webhook intake with deduplication, bounded processing, and fetch-current reconciliation. Use when reacting to workspace change signals. Trigger with "handle Notion webhooks", "verify Notion signature", or "reconcile Notion events".

Its SKILL.md is about 1k 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; live Notion actions require network access and explicit approval

It sits in Backend & APIs, covering Webhooks, Accounting and bookkeeping and Data cleaning. It works with Notion. 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

  • Reacting to workspace change signals
  • With handle Notion webhooks
  • Verify Notion signature
  • Reconcile Notion events

Example prompts

  • “handle Notion webhooks”
  • “verify Notion signature”
  • “reconcile Notion events”
  • “/notion-webhooks-events”

Requirements

  • Compatibility (from SKILL.md): Designed for Claude Code; live Notion actions require network access and explicit approval
  • Pre-approved tools (allowed-tools): Read, Glob, Grep, Write, Edit

Workflow steps

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

  1. Define subscribed event types, data owner, destination, retention, and current subscription API version.
  2. Implement the verification handshake without logging or echoing the token beyond the required portal step.
  3. Verify the raw-body signature before JSON parsing or queue acknowledgement.
  4. Persist a deduplication key, event timestamp, entity identity, attempt, and processing state with tenant binding.
  5. Acknowledge quickly, process asynchronously, fetch current state, and make downstream work idempotent.
  6. Reconcile periodically for missed, aggregated, reordered, duplicated, or stale signals.

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 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; live Notion actions require network access and explicit approval

    From compatibility in the SKILL.md frontmatter.

Context cost

Notion Webhooks Events loads about 1k tokens when it runs, and up to ~1.5k if it reads all its reference files. Until then it costs about 73 tokens; SKILL.md has 422 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~73
When it runs · the whole SKILL.md, loaded when a task matches
~1k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.5k

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). 422 words, ~1,004 tokens.

Download SKILL.mdSave it as .claude/skills/notion-webhooks-events/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
notion-webhooks-events
description
Implement verified Notion connection-webhook intake with deduplication, bounded processing, and fetch-current reconciliation. Use when reacting to workspace change signals. Trigger with "handle Notion webhooks", "verify Notion signature", or "reconcile Notion events".
allowed-tools
Read, Glob, Grep, Write, Edit
compatibility
Designed for Claude Code; live Notion actions require network access and explicit approval
argument-hint
<subscription> <event-scope> <processor>
version
1.40.0
license
MIT
author
Jeremy Longshore <jeremy@intentsolutions.io>
tags
saas, notion, webhooks
model
inherit
effort
high

Notion Webhook Intake and Reconciliation

Overview

Implement verified Notion connection-webhook intake with deduplication, bounded processing, and fetch-current reconciliation.. This workflow produces an auditable decision or artifact before any live action.

Prerequisites

  • Current first-party Notion documentation and the selected integration's tested API-version contract.
  • A named workspace owner, content or data owner, and operation owner.
  • Synthetic or approved non-production fixtures with secrets and workspace content removed.

Current Contract

Notion verifies a subscription with a one-time token and signs later raw request bodies in X-Notion-Signature using HMAC-SHA256. Events can aggregate, arrive out of order, and omit full changed content; fetch current state and reconcile. Recheck the dated evidence map before relying on mutable fields, endpoints, versions, limits, or delivery behavior.

Authentication

Store verification material as a secret, hash the exact raw body, compare signatures in constant time, bind the subscription to the expected connection, and rotate through an approved recreate path.

Instructions

  1. Define subscribed event types, data owner, destination, retention, and current subscription API version.
  2. Implement the verification handshake without logging or echoing the token beyond the required portal step.
  3. Verify the raw-body signature before JSON parsing or queue acknowledgement.
  4. Persist a deduplication key, event timestamp, entity identity, attempt, and processing state with tenant binding.
  5. Acknowledge quickly, process asynchronously, fetch current state, and make downstream work idempotent.
  6. Reconcile periodically for missed, aggregated, reordered, duplicated, or stale signals.
Show full SKILL.md (192 more words)Show less

Tool Discipline

Use Read, Glob, and Grep to inspect documentation, configuration, code, fixtures, and evidence. Use Write and Edit only for approved repository artifacts. Invocation alone does not authorize network access, credentials, workspace content, user data, file transfer, deployment, capability or sharing changes, writes, spend, or deletion.

Approval Boundaries

Require workspace and data-owner approval to create, change, or delete a subscription; replay, backfill, and downstream writes require separate approval.

Error Handling

  • Reject missing or malformed signatures before parsing.
  • Do not trust delivery order or use the event payload as full current content.
  • Quarantine unknown event types while preserving a content-safe receipt.

Output

Return the subscription contract, verification evidence, event-state model, deduplication policy, reconciliation plan, tests, and rotation runbook. Identify assumptions, owners, expirations, and evidence gaps explicitly.

Examples

  • Reject a forged signature over a modified raw body.
  • Process an out-of-order update by fetching and reconciling current state.

Validation

Exercise and record these paths with expected and observed results:

  • verification handshake
  • valid signature
  • forgery
  • duplicate
  • out of order
  • reconciliation

Resources

  • Current first-party evidence map — recheck dated sources before relying on mutable behavior.
  • Treat observed tenant behavior as environment-specific evidence, never a universal Notion guarantee.

© 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/notion-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

Notion 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.

Notion Webhooks Events compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Notion Webhooks Events this skilljeremylongshore/tons-of-skills-marketplace2.8k—~1kAutomated safety check: PassMIT
Pakistan Payments Stacksickn33/agentic-awesome-skills47k2 repos~2kAutomated safety check: PassMIT
Int Omieevolution-foundation/evo-nexus545—~590Automated safety check: PassCustom licence
Payments WebhooksWrongStack/WrongStack371—~850Automated safety check: PassMIT
Notion Connectorericrisco/rsc-harness180—~2.4kAutomated safety check: PassMIT
Gitops Cluster Debugfluxcd/agent-skills231—~4.2kAutomated safety check: PassApache-2.0

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Works with

Categories

Questions about Notion Webhooks Events

What does Notion Webhooks Events do?

Implement verified Notion connection-webhook intake with deduplication, bounded processing, and fetch-current reconciliation. Notion Webhooks Events is an agent skill from jeremylongshore/tons-of-skills-marketplace. Implement verified Notion connection-webhook intake with deduplication, bounded processing, and fetch-current reconciliation.

When should I use Notion Webhooks Events?

Notion Webhooks Events fits situations like: reacting to workspace change signals; with handle Notion webhooks; verify Notion signature; reconcile Notion events.

How do I install Notion Webhooks Events in Claude Code?

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

How do I install Notion Webhooks Events in Codex?

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

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

What does Notion Webhooks Events need to run?

SKILL.md names no scripts, command-line tools or credentials: Notion Webhooks Events is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Glob, Grep, Write, Edit. Compatibility (from SKILL.md): Designed for Claude Code; live Notion actions require network access and explicit approval.

Does Notion 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 Notion 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 Notion Webhooks Events use?

Notion 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 Notion Webhooks Events use?

About 1k tokens (SKILL.md is roughly 4k 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 537 tokens, read only when the agent opens those files.

What are the alternatives to Notion Webhooks Events?

Skills that share tags, products or a category with Notion Webhooks Events: Pakistan Payments Stack (sickn33/agentic-awesome-skills, 47k stars), Int Omie (evolution-foundation/evo-nexus, 545 stars), Payments Webhooks (WrongStack/WrongStack, 371 stars) and Notion Connector (ericrisco/rsc-harness, 180 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Notion 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.