What is read-event-types?

A tool for listing every event type stored in an EventSourcingDB instance. An event type describes the kind of recorded event, such as a book acquisition.

Use it to inspect an event store and retrieve its event-type list as a newline-delimited JSON response.

It helps discover what kinds of events exist in the event store instead of requiring their names to be known beforehand.

read-event-types — Skill by thenativeweb

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods

npx agentmods add skills/thenativeweb/claude-plugins/read-event-types

Any agent

npx skills add thenativeweb/claude-plugins --skill read-event-types

Clone the repo

git clone --depth 1 https://github.com/thenativeweb/claude-plugins

Made for: Claude Code, Codex.

Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 243 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 1 finding. Scan, not verified.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5	$0.00035	$0.00243
Opus 5	$0.00017	$0.00121
Sonnet 5	$0.00007	$0.00049
Haiku 4.5	$0.00003	$0.00024

Measured 2d ago against content hash e4e4680d67d0, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

read-event-types scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s --no-buffer -X POST \

plugins/esdb/skills/read-event-types/SKILL.md · 33 lines

What it actually says

Read Event Types

List all event types from an EventSourcingDB instance.

Shared Instructions

First read ${CLAUDE_PLUGIN_ROOT}/shared/common.md. It explains how to determine the base URL and API token, how to handle NDJSON responses, and which conventions apply. Follow it throughout this skill.

Request

This endpoint returns NDJSON. No request body is required.

curl -s --no-buffer -X POST \
  -H "authorization: Bearer ${ESDB_API_TOKEN}" \
  "${ESDB_URL:-http://localhost:3000}/api/v1/read-event-types" \
  | grep -v '"type":"heartbeat"'

Response

NDJSON stream with one line per event type:

{"type":"eventType","payload":{"eventType":"io.eventsourcingdb.library.book-acquired","isPhantom":false,"schema":{...}}}

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

2d ago First seen · 33 lines · 35 tokens per session scan A e4e4680d67d0

Subscribe to this mod's changes

read-event-types is a skill published in the GitHub repository thenativeweb/claude-plugins (6 stars, last pushed 2mo ago), licensed MIT. It adds 35 tokens to every session and 243 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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read-event-types