devtools

A guide to connecting Angular TanStack Table instances to TanStack Table Devtools, a development interface for inspecting tables while you build an app. Angular is a web framework.

In plain words
What is it for?
Use it to register tables for debugging, enable or disable registration reactively, and configure the required application-level devtools host.
Why use it?
It makes table state and configuration easier to inspect, while avoiding registration errors caused by using the devtools outside Angular's managed setup.

Skill for Claude CodeCodex

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/tanstack/table/devtools
Any agent
npx skills add TanStack/table --skill devtools
Clone the repo
git clone --depth 1 https://github.com/TanStack/table

Made for: Claude Code, Codex.

Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 625 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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.

ModelPer sessionOnce invoked
Fable 5 $0.00048 $0.00625
Opus 5 $0.00024 $0.00313
Sonnet 5 $0.00010 $0.00125
Haiku 4.5 $0.00005 $0.00063

Measured yesterday against content hash 680f21a72a20, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

devtools scanned grade A with 0 findings 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 yesterday.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

packages/angular-table-devtools/skills/devtools/SKILL.md · 88 lines

How it starts

The opening of the file, as written. The whole thing — 88 lines — stays where its author put it; the contents beside it link to each section on GitHub.

This skill builds on @tanstack/table-core#core and @tanstack/table-devtools#devtools.

Setup

import { Component } from '@angular/core'
import { injectTable, tableFeatures } from '@tanstack/angular-table'
import { injectTanStackTableDevtools } from '@tanstack/angular-table-devtools'

const features = tableFeatures({})
const columns = [{ accessorKey: 'id' }]
const data: Array<{ id: string }> = []

@Component({ selector: 'users-table', template: 'Users table registered' })
export class UsersTable {
  readonly table = injectTable(() => ({
    key: 'users-table',
    features,
    columns,
    data,
  }))

  constructor() {
    injectTanStackTableDevtools(() => ({ table: this.table }))
  }
}

Provide the Angular TanStack Devtools host once at application configuration level as documented in docs/devtools.md.

Hooks and Components

The injector options function may return table: undefined or an enabled function to remove/disable registration reactively.

Common Mistakes

CRITICAL Injector called outside context

Wrong: call injectTanStackTableDevtools from an arbitrary callback after bootstrap.

Correct: call it in a component/service field initializer or constructor injection context.

The adapter uses Angular injection and effects for lifecycle cleanup.

Source: TanStack/table:packages/angular-table-devtools/src/injectTanStackTableDevtools.ts

HIGH Missing table key

Wrong: register an otherwise valid table without options.key.

Correct: assign a stable unique key before injection registration.

Core registration logs an error and skips keyless targets.

Source: TanStack/table:packages/table-devtools/src/tableTarget.ts

MEDIUM isDevMode no-op misunderstood

Wrong: expect default Angular exports to render production Devtools.

Correct: keep standard setup development-only; use /production only when explicitly requested.

The package index switches exports using Angular isDevMode().

Source: TanStack/table:packages/angular-table-devtools/src/index.ts

Read the full file on GitHub · 88 lines

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.

  1. yesterday First seen · 88 lines · 48 tokens per session scan A 680f21a72a20

Subscribe to this mod's changes

devtools is a skill published in the GitHub repository TanStack/table (28,393 stars, last pushed 2d ago), licensed MIT. It adds 48 tokens to every session and 625 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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