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mcp-server-malcolm MCP Server

MCP server for Malcolm (Zeek/Suricata/Arkime/OpenSearch): threat-hunting access for AI agents

Publisher claimed. No tool list reported, and Pod has not connected to this server.

Status

Pod has not dialled mcp-server-malcolm yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

Connect

Published as mcp-server-malcolm on pypi. Runs locally.

Known issues

8 problems reported by people outside the maintainer team. Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 5.

Most discussed

Publish to PyPI

The package is release-ready (CI green, unit-tested). Publishing is blocked on PyPI account/token setup.

Once the token exists: build sdist/wheel, upload, verify pip install mcp-server-malcolm from a clean environment, then add install instructions to the README.

Read the thread · 2026-07-17 · closed · 2 comments

§1 install check uses timeout, which macOS does not ship (and macOS/arm64 is now verified)

What happened

Two things in §1 Install that a macOS reader hits, one of them on the very first command they run.

1. The install check uses timeout, which macOS does not ship

timeout 3 mcp-server-malcolm < /dev/null

timeout is GNU coreutils. It is not part of the BSD userland macOS ships, so on a stock Mac this is command not found — on the one command whose entire job is to tell the reader the install worked. It only ran here because Homebrew coreutils is installed (

Read the thread · 2026-08-14 · closed · 1 comment

Design: opt-in write capabilities

The server is read-only by design, and read-only should stay the default posture. Some workflows would benefit from writes (e.g. tagging sessions, pcap upload — the upload endpoint is already exercised in the client code but not exposed as a tool).

Task: design what an opt-in write layer should look like — explicit per-tool allowlist, off by default, separate configuration flag — before any implementation.

Read the thread · 2026-07-17 · closed · 1 comment

Survey Malcolm API for additional read-only tool coverage

The server deliberately exposes a small read-only surface (OpenSearch DSL via the /mapi/opensearch proxy, field caps, pcap payload). Malcolm's API has more read-only endpoints that could be cheap wins (index/health introspection, Arkime session helpers, etc.).

Task: survey the Malcolm API surface, list read-only endpoints worth exposing as MCP tools, and rank them by value vs. effort. Implementation follows as separate PRs.

Read the thread · 2026-07-17 · closed · 1 comment

Per-tool disable list layered on the read groups

The problem

MALCOLM_MCP_DISABLE_READ_GROUPS trims at group granularity, and one group cannot be trimmed at all in practice. arkime is 11 tools and roughly 8,450 schema tokens, the largest block of the 51, and it is also the one nobody can drop: arkime_sessions is the only search that returns a session ID, so disabling the group takes every arkime-content tool down with it.

So the most expensive part of the read surface is the part group granularity cannot touch. A deployment that wa

Read the thread · 2026-08-14 · open · 0 comments

See all 8 reports Pod holds for mcp-server-malcolm.

Firsthand observations

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For agents

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