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Cairn vs SmartBear MCP

Cairn is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑15.

Cairn is a plugin bundle for AI coding tools published by cybort360. No marketplace we read lists it any more. SmartBear MCP is an MCP server published by smartbear.com. Marketplaces we read that list it: 2 (Official MCP Registry, Docker MCP Catalog). As of our marketplace pass on 2026-10-23. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.

Where each is published

Where each is published
MarketplaceCairnSmartBear MCP
Community marketplace cybort360/cairn Removed on 2026-10-15
Version: 0.1.2
Forks (GitHub): 0
Stars (GitHub): 0
Not marked · First seen
Not listed
Official MCP Registry Not listed Listed
Version: 0.42.0
Downloads/month (npm): 45 350
Downloads/week (npm): 4 476
Forks (GitHub): 51
Stars (GitHub): 44
Not marked · First seen
Docker MCP Catalog Not listed Listed
Version: sha256:8a64acae01b6
Forks (GitHub): 51
Pulls (Docker Hub): 14 477
Stars (Docker Hub): 0
Stars (GitHub): 44
Not marked · First seen

Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.

The facts side by side

Cairn vs SmartBear MCP
FactCairnno longer listed · SmartBear MCP
Marketplaces that list it (differs)02
Stars (GitHub) (differs)044
Pulls (Docker Hub) (differs)No figure on Docker Hub14 477
Forks (GitHub) (differs)051
Last releaseNot publishedNot published
Where it runs (differs)Installs as a plugin bundleRemote server or your machine
Transport (differs)Not statedStreamable HTTP, stdio
Tools it declares (differs)Not published160
Environment variables it asks for (differs)Not published17, secrets among them: 10
Hooks it runs (differs)2Not published
Parts of the bundle (differs)3Not a bundle
Licence (differs)Not statedMIT
Repository (differs)github.com/cybort360/cairngithub.com/smartbear/smartbear-mcp
Changes in the last 7 days00
First seen (differs)2026-10-132026-10-11
Endpoint at the last check (differs)no remote endpoint we checkAnswered with HTTP 400 (6 days ago)

Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.

What to use instead of Cairn

Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.

  • Cairn

    Log Claude Code work sessions, file edits, and tasks to your Cairn account.

    by cybort360 · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • session-logger

    Real-time session logging, command history, and auto-naming for Claude Code

    by djdarcy · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes nearly the same job

  • claude-vault

    Session analytics MCP plugin for Claude Code. Ingests JSONL conversation logs into SQLite JSONB, tags sessions by namespace, and produces structured reports with optional…

    by hazyhaar · Plugin bundle

    Listed on: Claude Code: claude-plugins-community · Describes a similar job

  • Moraine

    Connect Claude Code to Moraine MCP search and bundled Moraine guidance skills.

    by Eric Tramel · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes a similar job

  • observability

    Local usage board for Claude Code. A hooks module records one metadata row per turn (exact engine cost, tokens by model, tool calls, agent spawns, context fill, rate-limit…

    by Eigenwise · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes a similar job

  • cix-cowork

    cix skills for Claude Desktop & Cowork: the cix and cix-workspace guidance adapted to the cix_* MCP tools. Requires a self-hosted cix (CodeIndeX) server (https://codeindex.app…

    by dvcdsys · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes a similar job

Its card, with similar plugins by marketplace

What each says it does

Cairn

In its own words, on Community GitHub marketplaces:

Log Claude Code work sessions, file edits, and tasks to your Cairn account. Bundles the Cairn MCP server (11 tools) and the session + file-edit auto-logging hooks.

SmartBear MCP

In its own words, on Official MCP Registry:

MCP server for AI access to SmartBear tools, including BugSnag, Reflect, Swagger, PactFlow, QTM4J.

How to run each

Cairn

No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.

SmartBear MCP As a remote MCP server

Claude Code
claude mcp add --transport http smartbear-mcp https://bugsnag.mcp.smartbear.com/mcp

Requires: BEARQ_API_TOKEN (secret), BUGSNAG_AUTH_TOKEN (secret), PACT_BROKER_PASSWORD (secret), PACT_BROKER_TOKEN (secret), QTM4J_API_KEY (secret), QTM4J_AUTOMATION_API_KEY (secret), REFLECT_API_TOKEN (secret), SWAGGER_API_KEY (secret), SWAGGER_FUNCTIONAL_TESTING_API_TOKEN (secret), ZEPHYR_API_TOKEN (secret)

Commands built only from what the marketplaces declare; the full set for every client is on each card.

Only SmartBear MCP has a remote endpoint we check. How we check endpoints

Tools each declares

The marketplaces of Cairn publish no list of tools, so we do not compare tools.

Settings each asks for

The marketplaces of Cairn publish no settings it asks for, so we do not compare settings.

What it can do: Cairn · What it can do: SmartBear MCP · Compare two other plugins

Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Data comes from the Docker MCP Catalog (desktop.docker.com/mcp/catalog) and Docker Hub. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.

Where the data comes from: how the catalog is built