LaunchFlag

Feature flags and kill switches.

Connector by launchflag.devOfficial · Domain verified by the MCP Registry

IndexedLicense unknownLocal (stdio)Remote (HTTP)

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Install

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

npx agentmarket install connector/launchflag-dev-launchflag

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

https://launchflag.dev/api/mcp Remote (HTTP)

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About

Feature flags and kill switches. Turn a shipped feature off in production without a deploy.

Reviews

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No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

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

Tools: 2 read · 2 write · 2 delete · 2 not yet classified
Secrets: 2 (API keys, tokens or passwords)
Install scripts: None found
Runs as: Node.js package

Tools by what they do 8

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

Read 2 · Look things up without changing anything.

list_flags
list_projects

Write 2 · Create, change, send or run things.

create_flag
set_flag

Delete 2 · Delete, drop, revoke or wipe things.

delete_flag
emergency_off

Not yet classified 2 · We could not tell from the name and description.

cleanup_flags
promote_flag

Secrets and settings it asks for

Secrets: values you paste in that let it act as you.

Authorization
LAUNCHFLAG_TOKEN

Other settings (environment variables or headers).

LAUNCHFLAG_URL

Network hosts it talks to 1

launchflag.dev · found in remote endpoint, install command

Tools (8)

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

cleanup_flags
Flags whose code can now be removed, with the reason and what to do about each. Run this when asked to tidy up feature flags, or after finishing a rollout. Two kinds: settled flags are on for everyone everywhere and still evaluated constantly, so the branch around them has one reachable side; stale flags are ones nothing evaluates any more.
create_flag
Create a flag, OFF in every environment, so a risky change can ship dark. Returns the code snippet to wrap the new path in.
delete_flag
Delete a flag. Only once the code paths behind it are gone.
emergency_off
Kill switch: disable every non-essential flag in the project at once, or lift it.
list_flags
List every LaunchFlag flag with its dev, staging and prod state.
list_projects
List your LaunchFlag projects and their env keys.
promote_flag
Copy one environment's flag config forward: dev to staging, staging to prod, or dev straight to prod on a project that does not run staging. A project may label those environments differently, and plans with two environments have no staging slot at all.
set_flag
Turn a flag on or off, or change who it targets, in one environment. Environments are always dev, staging and prod here, whatever the project calls them on its dashboard.

Signals

Last release: Sep 8, 2026 (1 month ago)

Details

Registry name: dev.launchflag/launchflag
Version: 0.2.7
Auth: Bearer token, API key
Packages: npm launchflag-mcp
License: License unknown
Website: launchflag.dev
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Official MCP Registry

Rank

of 44,833 in Connectors

Score

0.539

Security 30%not yet
Popularity 25%0.30
Freshness 20%0.80
Rating 15%not yet
Docs 10%0.79

How ranking works →

Grades

Freshness

Active in the last 90 days. Last activity 1 month ago.

–

Security

Security scan: in progress. Grades from our dependency, secret, code and prompt-injection checks appear here once they launch. Until then, check the code before you install.

Indexed

Found automatically from a public source. Not yet claimed by its publisher.

How grades work →

Availability

100% uptime, last 30 days (1 check)

Last check: 5 days ago
Status: Up, asks for a login or key
Median response: 1.3 s

Up
Up, auth required
Down
Not checked
No data

A daily MCP handshake with the remote endpoint. “Auth required” means it answered and wants a login or key. “Not checked” means the URL needs your own account or blocks automated checks.

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Cite this page

LaunchFlag MCP server. Agent Mart. https://agentmart.dev/connectors/launchflag-dev-launchflag (last updated 2026-10-24)