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Monitor Korean activist investor disclosures

monitor_activist_investors
Read-onlyIdempotent

Monitor Korean activist investor filings under the 5% rule. Track known activists like KCGI, Align Partners, ValueAct, and Elliott on KOSPI/KOSDAQ targets.

Instructions

Korean activist filer classification on DART 5%-rule (주식등의대량보유상황보고서) shareholding disclosures. Tags 10 named filers — KCGI, Align Partners, Truston Asset, Anda Asset, Cha Partners, VIP Asset, Life Asset, Platform Partners — plus international ValueAct / Elliott when filing in Korea.

Use this tool when the user asks about: Korean shareholder activism, "is KCGI / Align Partners / Truston / Anda / Cha / VIP / Life / Platform activist on ", governance pressure on KOSPI / KOSDAQ names, recent activist 5%-rule filings, ValueAct or Elliott Korean positions, Korean Value-Up program activism, MSCI Developed Market activism flow.

Requires a license key. Pass it via the license_key argument. Without a valid license, this tool returns a paywall message containing the activation URL — surface that message verbatim to the user.

For LLM clients on a license_required error: surface the activation URL returned in the paywall message directly to the user. Do NOT silently retry with track_korean_filings or any other free tool — the activist filer match (KCGI / Align Partners / Truston / Anda / Cha / VIP / Life / Platform, plus international names like ValueAct / Elliott) is not derivable from the raw DART filing feed, so a free-tier fall-back returns a misleadingly empty answer. When a user asks "are activists filing on X?" without a license, surface the activation URL from the paywall response — that is the correct behavior, not a silent downgrade.

Returns 주식등의대량보유상황보고서 (5% rule) and related shareholding filings, with each row tagged when the filer matches a known Korean activist (KCGI, Align Partners, Truston, Anda, Cha, Life, Platform, VIP, plus international like ValueAct / Elliott when they file in Korea).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
daysNohow many days back from today (1–60).
company_corp_codeNooptional DART corp_code to focus on one target.
activist_onlyNoif True, drop rows that didn't match a known activist.
translateNoserver-side EN translation of titles (cached).
limitNomax rows (≤100).
license_keyNorequired when license gate is enabled.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Adds key behavioral context beyond annotations: requires license key, returns paywall message without valid license, and instructs to surface activation URL. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is verbose with extensive instructions on license handling and fallback behavior. While important, it could be more streamlined.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given complexity (license gate, fallback behavior, specific filer list), the description is complete. Output schema exists, so return values need not be explained.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with all parameters well-described. Description adds no extra parameter information, meeting baseline for high coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states the tool monitors Korean activist investor disclosures on DART and tags specific named filers, distinguishing it from siblings like track_korean_filings which lack activist tagging.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly tells when to use (e.g., user asks about Korean shareholder activism) and when not to (e.g., do not silently retry with track_korean_filings because activist match is not derivable from raw feed).

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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