bandar-check

bandar-check is a skill for Claude Code from INo-xious/stockbit-mcp. It costs 54 tokens per session (1,175 once invoked), scanned A, original, MIT.

A stock-market lookup for Indonesian Stock Exchange tickers that uses Stockbit broker-flow data. Broker flow shows which brokers bought and sold a stock over a selected period.

In plain words
What is it for?
Use it to review net or gross broker activity, foreign flow, accumulation, distribution, and the market session for an IDX-listed stock.
Why use it?
It helps answer who may be accumulating or distributing a stock instead of relying only on price charts. It also requires checking whether the trading data covers a complete market session.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the stockbit plugin — 9 skills, 2 MCP servers shipped together

Good fit Use it to review net or gross broker activity, foreign flow, accumulation, distribution, and the market session for an IDX-listed stock.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ino-xious/stockbit-mcp/bandar-check
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.

Any agent
npx skills add INo-xious/stockbit-mcp --skill bandar-check
Clone the repo
git clone --depth 1 https://github.com/INo-xious/stockbit-mcp

Made for: Claude Code.

Or install stockbit, the plugin that ships this one along with the rest of its 9 skills, 2 MCP servers.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for bandar-check

README.md
[![agentmods](https://agentmods.dev/badge/skills/ino-xious/stockbit-mcp/bandar-check/github.svg)](https://agentmods.dev/skills/ino-xious/stockbit-mcp/bandar-check)
Your own site
<a href="https://agentmods.dev/skills/ino-xious/stockbit-mcp/bandar-check"><img src="https://agentmods.dev/badge/skills/ino-xious/stockbit-mcp/bandar-check/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for bandar-check

Your own site · 80×15
<a href="https://agentmods.dev/skills/ino-xious/stockbit-mcp/bandar-check"><img src="https://agentmods.dev/badge/skills/ino-xious/stockbit-mcp/bandar-check.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 54 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,175 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 5.1 $0.00054 $0.01175
Opus 5 $0.00027 $0.00588
Sonnet 5 $0.00011 $0.00235
Haiku 4.5 $0.00005 $0.00118

Measured 7d ago against content hash 40c18e998c8b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

bandar-check 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 7d 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.

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.

skills/bandar-check/SKILL.md · 72 lines

How it starts

The opening of the file, as written. The whole thing — 72 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Bandar check

Broker flow is the one thing this server has that no general market API does. It is also the easiest thing to over-read, so the order below is not optional: establish that the tape is meaningful before saying anything about who is on it.

The sequence

  1. market_session — is the market open, pre-open, or closed? Today's flow is partial until it closes. Say so rather than quietly presenting half a day as a day.
  2. broker_summary symbol=… — the ledger. Every broker's buy and sell over the window.
    • period takes one of FIVE windows, and only these five: LATEST, YESTERDAY, LAST_7_DAYS, LAST_3_MONTHS, YEAR_TO_DATE. The longer ten-value list belongs to broker_top and broker_distribution, which are different endpoints; sending one of those here is rejected, and LAST_1_DAY / LAST_30_DAYS return a 400 from Stockbit itself. Or give from/to for an explicit range. Do not do both — the API ignores the dates and answers with the latest session, silently.
    • broker_activity has no window at all. Measured 2026-09-01: every value of period answers 400 there, so the tool refuses it rather than sending it. Its window is the server's, and it is reported back in from/to on the result — read those to date the rows.
    • transaction_type is NET or GROSS. NET is the question people mean. GROSS tells you who was busy; NET tells you who ended up holding.
    • market_board defaults to the regular board. NEGO and TUNAI are crossings and cash settlement — real, but not the same signal. If the user's question is about accumulation, say which board the number came from.
    • investor_type splits Asing (foreign), Lokal (domestic) and Pemerintah (government).
  3. broker_distribution symbol=… — who bought from whom. This is the part that turns a list of names into a story: it pairs the accumulating brokers with the ones supplying them.
  4. bandar_detector symbol=… for a ranked read, or broker_activity broker_code=… to ask the opposite question — what else has this broker been doing.
    • In the ranked read, topDistributors is largest seller FIRST, and sell figures are NEGATIVE because that is how the wire sends them. Do not negate them again.

Read the full file on GitHub · 72 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. 7d ago Changed · +3 lines 40c18e998c8b
  2. 11d ago First seen · 69 lines · 54 tokens per session scan A 51587ad3665a

Subscribe to this mod's changes

bandar-check is a skill published in the GitHub repository INo-xious/stockbit-mcp (31 stars, last pushed 3d ago), licensed MIT. It adds 54 tokens to every session and 1,175 once invoked, about $0.0003 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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