Kāhea MCP Server

Website · Documentation · Releases · Agent plugin · MCP metadata

People who work with api fuzzing, arazzo and coding agents and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in Rust.

VERIFIED ACTIVE

LAST COMMIT 2026-09-11 · ★ 2 · #205 OF 229 MAINTAINED CODING AGENT · VERIFIED 2026-09-18

Apache-2.0 · Rust servers · how we verify → /methodology

01 · Install Kāhea

before you install - you'll need

Set KAHEA_DYNAMIC_SEED before connecting.

Claude Desktop

Settings → Extensions → Install, then select the https://github.com/copyleftdev/kahea/releases/download/v0.3.1/kahea-mcp-Linux-X64.mcpb .mcpb bundle

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as Claude Desktop extension (.mcpb bundle)

repo age created 2026-08-06 - young repo, little track record yet

license Apache-2.0 - declared in the repository

registry namespace io.github.copyleftdev is GitHub-verified and matches the repo owner

03 · What Kāhea can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v0.3.1 · 2026-08-13

accept numeric YAML OpenAPI map keys · prepare v0.3.1 release

v0.3.0 · 2026-08-13

pin the store and reject filesystem paths in tool arguments · a close verdict outranks a failure to acknowledge it · stop wall-clock flakes from blocking required checks · prepare v0.3.0 release · make temporary store…

v0.2.0 · 2026-08-09

define deterministic WebSocket session contract · add sealed WebSocket core contracts · plan policy-gated WebSocket sessions · add secure WebSocket handshake transport · execute bounded WebSocket sessions · persist…

04 · Who maintains Kāhea

Kāhea is maintained by copyleftdev. We track 3 MCP servers from copyleftdev - 2 actively maintained, 2 combined GitHub stars, oldest repo from Aug 2026.

05 · Facts

category
coding agent - ranked #205 of 229 actively-maintained coding agent servers as of 2026-09-18.
release cadence
4 releases in the last 90 days (latest 2026-08-13)
registry
io.github.copyleftdev/kahea (active, first published 2026-08-07 · 4 versions)
packages
mcpb:https://github.com/copyleftdev/kahea/releases/download/v0.3.1/kahea-mcp-Linux-X64.mcpb · mcpb:https://github.com/copyleftdev/kahea/releases/download/v0.3.1/kahea-mcp-Windows-X64.mcpb · mcpb:https://github.com/copyleftdev/kahea/releases/download/v0.3.1/kahea-mcp-macOS-ARM64.mcpb

06 · Kāhea FAQ

What is Kāhea?

Website · Documentation · Releases · Agent plugin · MCP metadata

Is Kāhea still maintained?

Yes - as of 2026-09-18, its last commit was 2026-09-11 and it shipped 4 releases in the last 90 days. We re-verify nightly.

07 · Alternatives to Kāhea