eng-leadership-toolkit

warnings

www.marian.coach

Engineering leadership benchmarks, 1:1 playbooks, developer value calculator. 3,400+ sessions.

https://www.marian.coach/mcpWebsiteOAuthMCP 2025-11-25v1.7.0last checked 9 Oct 2026spoke MCP on 100% of 91 checks (30 days)initialize in 915 ms

Will my client connect?

Decided from what the probe found at the endpoint, and from what each client's own documentation says it can complete. Every row carries the day that documentation was read.

✓Claude CodeConnects

The authorization server advertises RFC 7591 registration, so Claude Code can register itself and sign you in through the browser.

claude mcp add --transport http eng-leadership-toolkit https://www.marian.coach/mcp

Claude Code docs · read on 2026-08-30

✓Claude (claude.ai & Desktop)Connects

The authorization server advertises RFC 7591 registration, so Claude (claude.ai & Desktop) can register itself and sign you in through the browser.

Settings → Connectors → Add custom connector, then paste https://www.marian.coach/mcp.

Claude (claude.ai & Desktop) docs · read on 2026-08-30

✓ChatGPTConnects

The authorization server advertises RFC 7591 registration, so ChatGPT can register itself and sign you in through the browser.

Settings → Apps → Advanced settings → Developer mode, then create a connector pointing at https://www.marian.coach/mcp.

ChatGPT docs · read on 2026-08-30

✓CursorConnects

The authorization server advertises RFC 7591 registration, so Cursor can register itself and sign you in through the browser.

{
  "mcpServers": {
    "eng-leadership-toolkit": {
      "url": "https://www.marian.coach/mcp"
    }
  }
}

Cursor docs · read on 2026-08-30

✓VS Code (Copilot)Connects

The authorization server advertises RFC 7591 registration, so VS Code (Copilot) can register itself and sign you in through the browser.

{
  "servers": {
    "eng-leadership-toolkit": {
      "type": "http",
      "url": "https://www.marian.coach/mcp"
    }
  }
}

VS Code (Copilot) docs · read on 2026-08-30

How to authenticate

Checked against the endpoint by our probe on 9 Oct 2026. These are the capabilities the server advertises, not a prediction about any particular client.

Scheme	OAuth
Issuer	https://www.marian.coach
Dynamic client registration	✓Advertised (RFC 7591)
Client ID Metadata Document	✓Supported A client identifies itself by a URL to its own metadata, so no registration step is required.
PKCE	✓S256
Grant types	authorization_code, refresh_token
Scopes	companion
Protected-resource metadata	✕Not found Without it a client has to guess where the authorization server lives.
Anonymous access	Handshake succeeds; 11 tools listable

What the probe found

11 tools usable without signing in

The server exposes a public surface before authorization: get_started, get_more_tools, calculate_developer_value, calculate_engineering_manager_value, assess_team_lead_readiness, get_engineering_leadership_benchmarks, choose_mentor_coach_or_advisor, get_one_on_one_playbook, get_first_time_manager_guidance, estimate_coaching_cost, build_mentoring_business_case.

Tools

assess_team_lead_readinessbuild_mentoring_business_casecalculate_developer_valuecalculate_engineering_manager_valuechoose_mentor_coach_or_advisorestimate_coaching_costget_engineering_leadership_benchmarksget_first_time_manager_guidanceget_more_toolsget_one_on_one_playbookget_started

Contract history

2 Oct 2026v1.7.0no contract changes

11 Sep 2026v1.6.01 breaking9 compatible

Breaking: build_mentoring_business_case

9 Sep 2026v1.6.01 compatibleinstructions rewritten

Instructions rewritten: get_more_tools. The description an agent follows changed; the callable contract may not have.

5 Sep 2026v1.7.0no contract changes

4 Sep 2026v1.6.05 cosmeticinstructions rewritten

Instructions rewritten: assess_team_lead_readiness, build_mentoring_business_case, choose_mentor_coach_or_advisor, get_engineering_leadership_benchmarks, get_one_on_one_playbook. The description an agent follows changed; the callable contract may not have.

4 Sep 2026v1.6.01 cosmeticinstructions rewritten

Instructions rewritten: get_more_tools. The description an agent follows changed; the callable contract may not have.

3 Sep 2026v1.6.01 compatible

30 Aug 2026v1.6.01 cosmeticinstructions rewritten

Instructions rewritten: build_mentoring_business_case. The description an agent follows changed; the callable contract may not have.

27 Aug 2026v1.6.09 breaking1 compatible

Breaking: assess_team_lead_readiness, build_mentoring_business_case, calculate_developer_value, calculate_engineering_manager_value, choose_mentor_coach_or_advisor, estimate_coaching_cost, get_engineering_leadership_benchmarks, get_first_time_manager_guidance, get_one_on_one_playbook

24 Aug 2026v1.6.0first recorded contract

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Status badge

Status for a README, from the last probe — cached an hour, so up to seven hours behind the endpoint. Links back to this page.

[![MCP status](https://mcpi.app/servers/eng-leadership-toolkit/badge.svg)](https://mcpi.app/servers/eng-leadership-toolkit)