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About Flipt (Feature Flag Management)

Official Flipt v1 MCP package for listing and managing namespaces, feature flags, segments, rules, variants, distributions, rollouts, and constraints, and evaluating boolean or variant flags. Flipt v2 has a separate package.

What you can use it for

  • Inspect and change Flipt v1 feature flag resources.
  • Evaluate boolean and variant flags for entities.
Connection and setup
Hosting
self-hosted
Transport
stdio
Endpoint
Local process; no hosted endpoint documented
Authentication
Optional FLIPT_API_KEY; FLIPT_URL defaults to http://localhost:8080.

Requirements

  • Optional FLIPT_API_KEY; FLIPT_URL defaults to http://localhost:8080.

Setup steps

  1. Use the official repository installation instructions: https://github.com/flipt-io/mcp-server-flipt.
  2. Optional FLIPT_API_KEY; FLIPT_URL defaults to http://localhost:8080.
Tools 28+

The Flipt maintainer repo distinguishes v1 and v2 MCP packages. This catalog entry is v1; its README describes feature categories but does not publish a full current identifier list, so keep the stored 28 rows as a partial sample pending live tools/list.

  • list_namespaces

    List Flipt namespaces.

    01
  • create_namespace

    Create a namespace.

    02
  • update_namespace

    Update a namespace.

    03
  • delete_namespace

    Delete a namespace.

    04
  • list_flags

    List flags in a namespace.

    05
  • get_flag

    Get a flag.

    06
  • create_flag

    Create a flag.

    07
  • update_flag

    Update a flag.

    08
  • delete_flag

    Delete a flag.

    09
  • toggle_flag

    Toggle a flag on or off.

    10
  • list_segments

    List segments in a namespace.

    11
  • get_segment

    Get a segment.

    12
  • create_segment

    Create a segment.

    13
  • update_segment

    Update a segment.

    14
  • delete_segment

    Delete a segment.

    15
  • evaluate_boolean_flag

    Evaluate a boolean flag for an entity.

    16
  • evaluate_variant_flag

    Evaluate a variant flag for an entity.

    17
  • evaluate_batch

    Evaluate multiple flags in one request.

    18
  • create_constraint

    Create a segment constraint.

    19
  • delete_constraint

    Delete a segment constraint.

    20
  • create_variant

    Create a flag variant.

    21
  • delete_variant

    Delete a flag variant.

    22
  • create_rule

    Create a segment rule.

    23
  • delete_rule

    Delete a segment rule.

    24
  • create_distribution

    Create a variant distribution.

    25
  • delete_distribution

    Delete a variant distribution.

    26
  • create_rollout

    Create a rollout.

    27
  • delete_rollout

    Delete a rollout.

    28

This server’s available tools can vary by account, permissions, or configuration. The list shown is not its full runtime catalog.

Limitations and notes
  • This record maps to the v1 package @flipt-io/mcp-server-flipt; v2 uses a separate package and tool catalog.
  • Write and delete tools can modify feature flag configuration.
Original sources
  • official tool reference

    The Flipt maintainer repo distinguishes v1 and v2 MCP packages. This catalog entry is v1; its README describes feature categories but does not publish a full current identifier list, so keep the stored 28 rows as a partial sample pending live tools/list.

  • official documentation or source

    The Flipt maintainer repo distinguishes v1 and v2 MCP packages. This catalog entry is v1; its README describes feature categories but does not publish a full current identifier list, so keep the stored 28 rows as a partial sample pending live tools/list.

Documentation checked 2026-10-28T14:15:00.000Z. Connection has not been runtime tested.