Skip to main content
Glama
inhuman

mcp-ssh-fleet

by inhuman
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Go
Remote

mcp-ssh-fleet

English | Русский

Version MCP Registry Container Build Go Version Go Report Card License: MIT Issues Last Commit

MCP server that gives an agent two tools over SSH to a fleet of hosts outside Kubernetes. The SSH key is a mounted secret (never enters model context); the inventory is a fail-closed allowlist.

Tools

  • ssh_probe(tags, check) — curated read-only diagnostics on every host carrying the given tags (AND semantics, like GitLab runner tags). check is one of a built-in set: uptime, disk, mem, failed, logs. Arbitrary commands cannot be passed. Class: read-only.

  • ssh_exec(host, command) — one arbitrary non-interactive command on ONE inventory host (by name or address; hosts outside the inventory are refused). Class: write-external: the server executes the command, while access gating (approval/RBAC) belongs to the MCP client.

Both: output size cap, per-host timeout, TOFU host-key check (fingerprint in logs), output as one section per host.

Related MCP server: jakubs-mcp-tools

Configuration (env)

Variable

Default

Meaning

SSH_FLEET_TRANSPORT

http

http (StreamableHTTP, endpoint /mcp) | sse | stdio

SSH_FLEET_ADDR

:8080

listen address for http/sse

SSH_FLEET_AUTH_TOKEN

—

optional X-MCP-AUTH token

SSH_FLEET_INVENTORY_PATH

/etc/ssh-fleet/inventory.yaml

path to the inventory (configmap)

SSH_FLEET_KEY_PATH

/etc/ssh-fleet/id_ed25519

path to the private key (secret)

SSH_FLEET_OUTPUT_CAP_BYTES

8192

output cap per section

SSH_FLEET_CMD_TIMEOUT_SECONDS

20

per-host timeout

SSH_FLEET_PROBE_CONCURRENCY

8

probe parallelism pool

SSH_FLEET_PROBE_MAX_HOSTS

50

safety cap on hosts per probe

Inventory format — see deploy/inventory.example.yaml.

Quickstart (docker, stdio)

docker run -i --rm \
  -v /path/to/inventory.yaml:/etc/ssh-fleet/inventory.yaml:ro \
  -v /path/to/id_ed25519:/etc/ssh-fleet/id_ed25519:ro \
  -e SSH_FLEET_TRANSPORT=stdio \
  ghcr.io/inhuman/mcp-ssh-fleet:latest

This is the shape MCP clients use when installing from the MCP Registry (io.github.inhuman/mcp-ssh-fleet).

Connecting an MCP client (http/sse)

By default the server speaks StreamableHTTP; register it as a regular HTTP MCP server with endpoint /mcp (URL like http://<host>:8080/mcp). Both tools become available to the client.

Client-side security recommendations:

  • ssh_probe is read-only (curated checks only) and can be granted broadly.

  • ssh_exec is arbitrary execution (write-external). Gate its access on the client side (approval / RBAC / user allowlist) — the server merely executes a command on an inventory host; it does not decide access policy.

Development

make test        # unit tests + e2e against a real in-process SSH server
make vet
make vulncheck
make build
make docker

Release: tag vX.Y.Z → GitHub Actions builds and publishes a multi-arch image to ghcr.io/inhuman/mcp-ssh-fleet.

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivitySlowing
ResponsivenessNo issues

Resources

Related MCP Connectors

Related MCP Servers

  • sshops

    LckAndLove
    A
    license
    Not graded
    quality
    C
    maintenance
    A lightweight, zero-agent SSH operations tool that enables remote command execution, file transfer, and audit logging. It integrates as an MCP server for AI-driven infrastructure management.
    5 npm
    MIT

  • jakubs-mcp-tools

    Jakub2841
    F
    license
    Not graded
    quality
    D
    maintenance
    MCP server for infrastructure discovery and remote management, enabling SSH command execution, file transfer, log tailing, and machine/service inventory with a companion web dashboard.
    2
    -

  • mcp_ssh_connectors

    xtawa
    F
    license
    Not graded
    quality
    B
    maintenance
    An MCP server that enables AI to execute SSH commands on remote servers using the host's OpenSSH client, supporting both configured targets and dynamic connections with request-scoped credentials.
    -

  • termdesk

    konraddzbik
    A
    license
    Not graded
    quality
    B
    maintenance
    Enables MCP clients to list hosts, run commands, and orchestrate fleet automation over SSH, with per-host opt-in and approval-gated actions while keeping credentials secure.
    3
    MIT