EPICS Channel Access

MCP server for EPICS Channel Access: read, monitor and guarded writes of process variables.

Connector by K-Dense-AI · GitHub account verified by the MCP Registry

IndexedApache-2.0Local (stdio)★ 21

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Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/k-dense-ai-labmcp-epics

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About

MCP server for EPICS Channel Access: read, monitor and guarded writes of process variables.

Reviews

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Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools: 3 read · 3 write · 0 delete · 1 not yet classified
Secrets: None asked for
Install scripts: Not scanned yet
Runs as: Python package

Tools by what they do 7

Read from the source code; the running server may list different tools.

Read 3 · Look things up without changing anything.

get_pv
get_pvs
pv_info

Write 3 · Create, change, send or run things.

apply_safe_state
put_pv
put_pvs

Not yet classified 1 · We could not tell from the name and description.

monitor_pv

Secrets and settings it asks for

Other settings (environment variables or headers).

LABMCP_ADDRESS
LABMCP_LIMITS
LABMCP_READ_ONLY
LABMCP_SIMULATE

Tools (7)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

apply_safe_state
Emergency action: write the scientist-configured safe-state PVs (--option safe_state, e.g. motor STOP fields, shutter close, HV off), all of them even if one fails. Available in read-only mode. It does not replace the facility's own interlocks and stop buttons.
get_pv
Read one PV with its metadata: value, units, precision, alarm severity/status, IOC timestamp and age, display/alarm/warning/control limits and enum state names. Waveforms come back downsampled with min/max/mean statistics.
get_pvs
Read many PVs at once (e.g. all motors or vacuum gauges of a beamline). PVs that cannot be reached are listed in `errors` instead of failing the whole call.
monitor_pv
Subscribe to a PV and collect every value change for `duration_s` seconds (or until `max_updates`), then return statistics (min/max/mean/std, drift rate) and the updates.
put_pv
Write a PV. This can move motors, open shutters, change magnet or high-voltage setpoints and heat or cool samples: tell the user exactly what will change first. The write is refused unless the PV matches the put allow-list, the IOC grants write access, and the value has the right type and lies within the PV's control limits (DRVL/DRVH). Returns the read-back value.
put_pvs
Write several PVs in order (e.g. set both slit blades). Every write is validated first (allow- list, access rights, type, control limits); if any is invalid nothing is written. Writing stops at the first failure and the rest are reported as not written. The whole batch must finish within an hour: writes that would start later are not sent.
pv_info
Connection details of a PV: serving IOC host:port, native type, element count, and whether this client has read/write access (EPICS access security) and passes the put allow-list.

Signals

Stars: 21
Forks: 2
Open issues: 0
Contributors: 1
Weekly downloads: 47
Last commit (this folder): Sep 26, 2026 (1 month ago)
Last release: Sep 26, 2026 (1 month ago)
Last package publish: Sep 26, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Registry name: io.github.K-Dense-AI/labmcp-epics
Version: 0.1.2
Auth: No auth
Packages: pypi labmcp-epics
License: Apache-2.0
Repository: github.com/K-Dense-AI/lab-instrument-mcps
Website: github.com/K-Dense-AI/lab-instrument-mcps/tree/main/servers/protocols/epics
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Official MCP Registry github-graphql

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Cite this page

EPICS Channel Access MCP server. Agent Mart. https://agentmart.dev/connectors/k-dense-ai-labmcp-epics (last updated 2026-10-24)