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Malwarebazaar

by io.github.pipeworx-io

Search Family

search_family
Read-onlyIdempotent

Look up malware samples in MalwareBazaar (the abuse.ch sample corpus) attributed to one malware family or signature name, for example "Cobalt Strike" or "AgentTesla". Returns the matching samples with sha256/md5 hashes, file type, file name, first and last seen dates, tags, and intel sources. Answers which samples of a named malware family have been submitted and how recently.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoMax results (default 100)
familyYesFamily name (signature)

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
countYesNumber of samples returned
queryYesQuery type used (get_siginfo)
statusYesQuery status (ok, no_results, or null)
samplesYesArray of samples from malware family

TDQS

A4.3/5.0
Behavior4/5

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

Annotations already declare read-only, idempotent, and non-destructive hints. The description adds value by detailing the returned fields (hashes, file type, dates, tags, intel sources) and the 'how recently' recency context, which goes beyond the annotation metadata.

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

Conciseness5/5

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

The description is two sentences long, with the core action front-loaded. It efficiently explains the function, examples, outputs, and user-facing value without wasted words.

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?

With an output schema present and annotations rich, the description covers the essential aspects: the data source, the search criterion, result contents, and the time-related question it answers. No critical missing context for a read-only search tool.

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 both 'family' and 'limit' already described. The description clarifies 'family' as a signature name, but this is marginal. According to the baseline for high schema coverage, a score of 3 is appropriate as the description adds little beyond the schema.

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?

The description clearly states the tool looks up malware samples by family or signature name, with specific examples (Cobalt Strike, AgentTesla). It differentiates from sibling tools like search_signature and search_tag by focusing on family attribution and specifying the data source (MalwareBazaar).

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

Usage Guidelines4/5

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

The description establishes clear context for when to use this tool: to find samples of a named malware family and see submission recency. It doesn't explicitly name alternatives like search_tag, but the focus on family/signature distinguishes it from siblings without ambiguity.

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

All Malwarebazaar toolsInspect
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TDQS

A3.5/5.0
Disambiguation2/5

Several tools are near-duplicates: ask_pipeworx_beta is described as currently identical to ask_pipeworx, and ask_pipeworx_grounded is the same router with extra verification. Malware sample searches also overlap across search_family, search_tag, search_signature, and recent_samples, while ai_visibility_check is wrapped by scan_competitor_ai_presence.

Naming Consistency3/5

The set mostly uses snake_case and verb-first names like get_sample_info and validate_claim, which is helpful. However, conventions are mixed across ask_pipeworx*, polymarket_*, pipeworx_*, search_*, and noun-style names like recent_samples and entity_profile, so there is no single predictable pattern.

Tool Count2/5

36 tools is already over the comfortable range, but the bigger issue is that the server is named Malwarebazaar while only about five tools actually deal with malware. The remaining tools belong to an unrelated data-research, prediction-market, memory, and subscription platform, making the count inappropriate for the server's apparent purpose.

Completeness2/5

For the MalwareBazaar domain, the set covers metadata lookups and filtered sample searches but lacks sample submission, retrieval, or deeper analysis workflow. The rest of the tool surface targets unrelated domains, so there is no coherent, complete lifecycle for either malware intelligence or the broader feature set.

Resources