Flatland MCP server

Read from the package source without running it. The installed server may list more.

• flatland_add_alias

  Add an alias driver — a named pointer to another driver, enabling

• flatland_add_computed

  Add a computed driver with a formula. The new IR is persisted locally.

• flatland_add_driver

  Add an assumption driver. The new IR is persisted locally.

• flatland_bulk_add

  Add multiple drivers atomically. The new IR is persisted locally. Use this

• flatland_compile

  Compile the active model under a scenario. Metered.

• flatland_create_modelwrite action

  Create a new empty model. The IR is persisted to a durable file you

• flatland_create_scenariowrite action

  Create a named scenario with driver overrides. The new IR is persisted locally.

• flatland_diff_scenarios

  Compare two scenarios. Free.

• flatland_explain

  Trace the upstream compute chain for a driver. Free.

• flatland_impact_preview

  Preview the downstream impact of proposed changes. Metered.

• flatland_init

  Initialize the local Flatland client. Reports the persistence mode

• flatland_list_models

  List the durable model files on this machine.

• flatland_load_model

  Load a durable model file from this machine by name (resolved under the

• flatland_remove_driverwrite action

  Remove a driver (cascade to drop dependents). The new IR is persisted locally.

• flatland_save_model

  Re-persist the active model to its local file. Mutations already auto-save;

• flatland_sensitivity

  Rank assumptions by impact on a target driver. Metered.

• flatland_solve

  Deterministic goal-seek: find the assumption value that drives a target

• flatland_update_driverwrite action

  Update a driver's value/formula/metadata. The new IR is persisted locally.

• Code scan22 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitystatic API keys via environment variables6/15
• Maintenancerepository not readable: repo not found3/15
• Maintainer identityverified namespace with website, no repo4/10

Safety score

58/100

higher than 13% of 48,255 servers

Tools

18

the typical server has 7

Tools that change things

22%

typical: 0%. Fewer write tools means less an agent can break

Downloads a week

29

more than 16% of 12,191 servers with a package

Flatland: common questions

Is Flatland MCP server safe?

With care: it is graded C, so read the findings first (58/100). Read the Flatland safety report

How do I install Flatland?

It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.

Does Flatland need an API key?

Yes. The registry entry asks for FLATLAND_API_KEY.

Is Flatland maintained?

The latest release is v1.5.0.

How does Flatland compare with other MCP servers?

safety score 58/100 (higher than 13% of 48,255 servers); tools 18 (the typical server has 7); tools that change things 22% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.