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Opentrons OT-2 / Flex

io.github.K-Dense-AI/labmcp-opentronsv0.1.0Other

MCP server for Opentrons OT-2 and Flex liquid-handling robots (HTTP API): upload and analyze protoco

The current version, v0.1.0, was published to the official MCP registry on 2026-09-25. It is distributed as labmcp-opentrons on PyPI, filed under Other by this index, and declares 4 environment variables. Removals and unreachable sources are measured across every server this index tracks, contract drift across the servers that answer in consecutive snapshots; the index's current counts put this record in context.

In-path gate · all MCP tools

Using Opentrons OT-2 / Flex in Claude, Cursor, Gemini CLI, Cline, or Zed?

MCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and HOLDs the call when it drifts-before your agent acts. Zero credentials. This is not the package install for this server itself (use Install this server for that).

Install the mcpindex gate (one command)

Rewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less

uv tool install mcpindex-gate && mcpindex-config-wire
Auditable install path →Watch it hold a drift →
Trust verdict · v1 advisory · method
NOT YET SCREENEDno verdict on file

Verdict not yet evaluated for this tool. The semantic screen takes adversarial cases first; coverage rolls out as the corpus expands (15/150 labels to graduation). The deterministic conformance probe is built but has not yet run on the public corpus, so a recorded verdict here is REVIEW or UNVERIFIED, never a clearing ALLOW. Until a verdict is recorded, an agent should treat this tool as not-yet-cleared and fall back to its own checks. Method: the eval, four-state verdict, honest limits.

Own this server? Screen its description →

That verdict was true at screening time (snapshot 2026-09-26).

Contracts can change after screening, with no version bump. The gate pins Opentrons OT-2 / Flex’s tool contracts on first sight and holds any silent change before your agent acts - the check that keeps being true on Tuesday.

See your first HOLD in 2 minutes →

Related: how to trust an MCP server · screen before install · silent contract drift

Environment variables
LABMCP_ADDRESS

Instrument address, e.g. serial:///dev/ttyUSB0 or tcp://192.168.1.50:5025

LABMCP_SIMULATE

Set to 1 to use the built-in simulator (no hardware)

LABMCP_READ_ONLY

Set to 1 to disable all state-changing tools

LABMCP_LIMITS

Safety limit overrides, e.g. max_temperature_c=80

MCP quality score · maturity, not trust · methodology
freshness
25
completeness
20
installability
25
documentation
15
stability
5
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