# KeyCloak MCP MCP Server

MCP server for KeyCloak Admin REST API via Service Account

**Publisher claimed.** No tool list reported, and Pod has not connected to this server.

## Status

Pod has not dialled KeyCloak MCP yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

## Connect

Published as `keycloak-mcp` on pypi. Runs locally.

## Known issues

**14 problems reported by people outside the maintainer team.** Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 11.

### Most discussed

### get_admin_events / get_user_attribute_history return raw attribute values in representation

## Summary

`get_admin_events` and `get_user_attribute_history` return the admin event `representation`
field verbatim (truncated at `max_repr`, default 500, and the caller can pass `-1` to disable
truncation). The representation of a user-update event is the full user JSON, including
`attributes`.

Deployments that keep a secret in a custom user attribute therefore get that secret echoed back
by a read-only tool. A concrete case: a realm that stores an operator-issued temporary password
in a us

[Read the thread](https://github.com/shigechika/keycloak-mcp/issues/87) · 2026-08-14 · open · 0 comments

### 調査: OAuth 2.1 リファレンス実装との突き合わせ(Cloudflare remote-mcp-github-oauth)

## 背景
トレンドMCP調査で Cloudflare の OAuth Provider リファレンス実装（cloudflare/ai の remote-mcp-github-oauth デモ）を確認。OAuth 2.1 の完全実装をライブラリ化し、Durable Objects で認証済みユーザーコンテキストを保持、SQL インジェクション対策・permission-based コントロールを明記した設計。

参考: https://github.com/cloudflare/ai/tree/main/demos/remote-mcp-github-oauth

## 検討したい点
本サーバーは Keycloak Admin REST API を Service Account 経由で扱う認証まわりのMCPサーバーであり、上記リファレンスの認可設計・入力サニタイズの考え方が直接参考になる可能性がある。

- [ ] 現行の認証・認可フローと比較し、抜け漏れがないか確認
- [ ] permission-based コントロールの粒度を見直す価値があるか

まだ検討段階。実装の優先度は

[Read the thread](https://github.com/shigechika/keycloak-mcp/issues/80) · 2026-08-06 · open · 0 comments

### Add a live smoke test that exercises every registered tool

## Motivation

Unit tests check logic against fixtures. They cannot tell you that a tool users actually call has stopped returning real data — a tool that exists but does not work is worse than no tool.

This happened for real in `jquants-mcp`: the earnings-calendar tools returned well-formed **empty** results for every query while the whole suite stayed green (shigechika/jquants-mcp#523). A live smoke test was built there to close the gap, and on its first production run it found three defects,

[Read the thread](https://github.com/shigechika/keycloak-mcp/issues/56) · 2026-07-25 · closed · 0 comments

### feat: spray/breach detection via per-external-IP success rate (single rule)

## Problem

Password-spray sources that breach accounts are **invisible to a raw failure-count threshold**. Real production evidence (an external attacker vs. a benign shared-egress gateway seen in the same window):

| source | failures | reality | old count-threshold verdict |
|--------|---------:|---------|-----------------------------|
| campus NAT gateway (internal range) | 328 | benign | (high count, ignored correctly) |
| **attacker (external)** | **86** | **spray, 2 breaches** | **"under 

[Read the thread](https://github.com/shigechika/keycloak-mcp/issues/48) · 2026-07-21 · open · 0 comments

### feat: classify known relay egress ranges (Cloudflare WARP / iCloud Private Relay) in detect_login_loops

## Background

Morning patrols repeatedly flag "login loops" that are not attacks but a UX artifact of encrypted relay services rotating egress IPs mid-session, which makes the Shibboleth SP session establishment spin (rapid successful LOGINs, zero LOGIN_ERROR, converging once the client reaches the SP or switches network).

Confirmed relay families in production:

- **Cloudflare WARP**: `2a09:bac2::/32`, `2a09:bac3::/32` (AS13335)
- **iCloud Private Relay / Fastly egress**: `2a04:4e41::/32` (ob

[Read the thread](https://github.com/shigechika/keycloak-mcp/issues/47) · 2026-07-21 · open · 0 comments

### Most recent

### docs: user documentation site on GitHub Pages (family rollout)

## Summary

Roll out the family documentation-site pattern to this repository: a task-oriented user guide on GitHub Pages, complementing the reference README.

Template (live example): https://github.com/shigechika/mcp-stdio — issue shigechika/mcp-stdio#284, scaffold PR shigechika/mcp-stdio#285, published at https://shigechika.github.io/mcp-stdio/ (Japanese at `/ja/`).

## Steps

1. Copy the three-piece scaffold from mcp-stdio and adapt:
   - `mkdocs.yml` — change `site_name` / `site_url` / `rep

[Read the thread](https://github.com/shigechika/keycloak-mcp/issues/29) · 2026-07-02 · closed · 0 comments

### tests: test_client.py fails under newer respx/httpx (AllMockedAssertionError)

## Problem

`tests/test_client.py` has ~23 failing tests on `main` (pre-existing, unrelated to recent feature work). They fail with `respx.models.AllMockedAssertionError`, a respx/httpx version incompatibility — the mocked routes are no longer matched the way the test fixtures assume.

Confirmed pre-existing: checking out `origin/main` and running the suite reproduces the same ~23 failures. The `health_check` PR (#20) only touched `tests/test_server.py` (all green) and did not introduce or fix t

[Read the thread](https://github.com/shigechika/keycloak-mcp/issues/21) · 2026-06-18 · closed · 0 comments

### events tools: default date_from to last 24h to prevent full-scan hang

## Problem

All event-based tools (`get_events`, `get_login_stats_by_client`, `get_login_stats_by_hour`, `detect_login_loops`, `get_login_failures_by_ip`) accept an optional `date_from` parameter. When `date_from` is omitted, the tool scans all events from the beginning of the database — potentially millions of records — causing the process to hang (RSS > 5 GB, no response for 60+ minutes).

This is documented as a known issue in keycloak-mcp v0.3.0 and requires the caller to always supply `date

[Read the thread](https://github.com/shigechika/keycloak-mcp/issues/11) · 2026-05-01 · closed · 0 comments

### _format_ts: use UTC to avoid OSError on Windows for epoch values near 0

## Background

\`keycloak_mcp/server.py:_format_ts\` currently does:

\`\`\`python
datetime.fromtimestamp(ts).astimezone().strftime(\"%Y-%m-%d %H:%M:%S\")
\`\`\`

On Windows, \`datetime.fromtimestamp(0)\` (and negative/near-zero timestamps) raises \`OSError\` because the underlying \`localtime()\` rejects pre-1970 values in the local timezone. The function catches \`OSError\` and falls back to \`str(epoch_ms)\`, so production is unaffected — but the formatted output is lost.

This surfaced in CI

[Read the thread](https://github.com/shigechika/keycloak-mcp/issues/4) · 2026-04-14 · closed · 0 comments

### ci: Windows smoke test should exercise stdio_server, not just pytest

## Background

PR #2 added a \`windows-latest × Python 3.12\` job to CI to guard against Windows-specific regressions (cf. [modelcontextprotocol/python-sdk#2433](https://github.com/modelcontextprotocol/python-sdk/issues/2433), where \`stdio_server()\` emits CRLF instead of LF on Windows and corrupts the NDJSON wire format).

However, the current Windows job only runs \`pytest\`, which exercises pure-Python logic (client helpers, formatters, etc.). It never actually spawns the MCP server and read

[Read the thread](https://github.com/shigechika/keycloak-mcp/issues/3) · 2026-04-14 · closed · 0 comments

### ci: add Windows smoke test to guard stdio regressions (cf. python-sdk#2433)

## Background

This project depends on the official `mcp` package (a.k.a. `modelcontextprotocol/python-sdk`), whose `stdio_server()` currently emits CRLF instead of LF on Windows, corrupting the NDJSON wire format used by MCP. The upstream bug is tracked at [modelcontextprotocol/python-sdk#2433](https://github.com/modelcontextprotocol/python-sdk/issues/2433).

Current CI only runs on `ubuntu-latest`, so any Windows-specific regression (stdio newlines, path handling, signal behavior) goes undetec

[Read the thread](https://github.com/shigechika/keycloak-mcp/issues/1) · 2026-04-14 · closed · 0 comments

[See all 14 reports Pod holds for KeyCloak MCP](/mcp/keycloak-mcp/issues).

## Firsthand observations

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