Enable HTTP MCP server mode for agentic-workflows tool #10171

Copilot · 2026-01-16T00:56:34Z

Fix: Add agentic-workflows env vars to MCP gateway docker command

Root Cause

The agentic-workflows MCP server uses HTTP mode with URL http://host.docker.internal:$GH_AW_AGENTIC_WORKFLOWS_PORT and Authorization header ${GH_AW_AGENTIC_WORKFLOWS_API_KEY}. The MCP gateway validates and resolves these ${} variable references at configuration load time, so the environment variables must be available in the gateway container's environment.

The environment variables were being set in the workflow step's env: block and collected in collectMCPEnvironmentVariables(), but they weren't being passed to the docker container via -e flags in the docker command.

Fix

Added the environment variables to the docker command in mcp_servers.go:

// Environment variables used by agentic-workflows MCP server (HTTP mode)
if hasAgenticWorkflows {
    containerCmd += " -e GH_AW_AGENTIC_WORKFLOWS_PORT"
    containerCmd += " -e GH_AW_AGENTIC_WORKFLOWS_API_KEY"
}

This matches the existing pattern for safe-inputs MCP server and ensures the variables are available for the gateway to resolve.

Original prompt

The builtin tools.agentic-workflows that enables the gh-aw MCP server into the configuration should add a step to start the MCP-server as a HTTP server and pass the address/api key into the generated MCP server configuration.

✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.

Changeset

Type: patch
Description: Enable HTTP MCP server mode for the builtin agentic-workflows tool. The tool now starts gh aw mcp-server as an HTTP server and emits the API key and port so generated MCP configs use an HTTP transport with an Authorization header. Changes include server startup, switching generated configs from stdio to HTTP, and passing GH_AW_AGENTIC_WORKFLOWS_PORT and GH_AW_AGENTIC_WORKFLOWS_API_KEY to the gateway.

Ahoy! This treasure was crafted by 🏴‍☠️ Changeset Generator

Changeset

Type: patch
Description: Enable HTTP MCP server mode for the builtin agentic-workflows tool. The tool now starts gh aw mcp-server as an HTTP server and emits the API key and port so generated MCP configs use an HTTP transport with an Authorization header. The gateway docker command now passes GH_AW_AGENTIC_WORKFLOWS_PORT and GH_AW_AGENTIC_WORKFLOWS_API_KEY to the container.

Ahoy! This treasure was crafted by 🏴‍☠️ Changeset Generator

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

github-actions · 2026-01-16T01:39:16Z

🎬 THE END — Smoke Claude MISSION: ACCOMPLISHED! The hero saves the day! ✨

github-actions · 2026-01-16T01:39:17Z

🎉 Yo ho ho! Changeset Generator found the treasure and completed successfully! ⚓💰

github-actions · 2026-01-16T01:39:18Z

📰 DEVELOPING STORY: Smoke Copilot reports failed. Our correspondents are investigating the incident...

github-actions · 2026-01-16T01:39:30Z

✨ The prophecy is fulfilled... Smoke Codex has completed its mystical journey. The stars align. 🌟

github-actions · 2026-01-16T01:42:28Z

GitHub MCP: ✅ Fix undici security vulnerability (GHSA-g9mf-h72j-4rw9); Use GitHub MCP server with dynamic repo context in code-scanning-fixer workflow
Serena Go: ❌ serena-go tool unavailable
Playwright: ✅ title contains "GitHub"
Tavily: ✅ results returned
File write + cat: ✅
Overall: FAIL

AI generated by Smoke Codex

pelikhan · 2026-01-16T02:03:02Z

@copilot

See error https://github.com/githubnext/gh-aw/actions/runs/21052610484/job/60542073464#step:19:1

The agentic-workflows HTTP MCP server requires GH_AW_AGENTIC_WORKFLOWS_PORT and GH_AW_AGENTIC_WORKFLOWS_API_KEY environment variables to be passed to the MCP gateway container so it can resolve the ${} variable references in the MCP configuration. Without these environment variables, the gateway fails during startup with: "Configuration error at mcpServers.agentic_workflows.env.Authorization: undefined environment variable referenced: GH_AW_AGENTIC_WORKFLOWS_API_KEY" This fix adds the environment variables to the docker run command, matching the pattern used for safe-inputs MCP server. Fixes CI failure in smoke-copilot workflow. Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

Copilot · 2026-01-16T02:11:34Z

@copilot

See error https://github.com/githubnext/gh-aw/actions/runs/21052610484/job/60542073464#step:19:1

Fixed in e5d5baf. The issue was that GH_AW_AGENTIC_WORKFLOWS_PORT and GH_AW_AGENTIC_WORKFLOWS_API_KEY environment variables weren't being passed to the MCP gateway docker container, causing the gateway to fail when trying to resolve the ${} variable references in the MCP configuration.

The fix adds these environment variables to the docker command using -e flags, matching the pattern used for safe-inputs MCP server.

github-actions · 2026-01-16T02:35:08Z

📰 VERDICT: Smoke Copilot has concluded. All systems operational. This is a developing story. 🎤

github-actions · 2026-01-16T02:35:09Z

✨ The prophecy is fulfilled... Smoke Codex has completed its mystical journey. The stars align. 🌟

github-actions · 2026-01-16T02:35:10Z

🎬 THE END — Smoke Claude MISSION: ACCOMPLISHED! The hero saves the day! ✨

github-actions · 2026-01-16T02:35:12Z

🎉 Yo ho ho! Changeset Generator found the treasure and completed successfully! ⚓💰

github-actions · 2026-01-16T02:38:15Z

GitHub MCP (merged PRs: Fix undici security vulnerability (GHSA-g9mf-h72j-4rw9); Use GitHub MCP server with dynamic repo context in code-scanning-fixer workflow) ✅
Serena Go (serena-go: go version) ❌
Playwright (title contains GitHub) ✅
Tavily search (results returned) ✅
File write (/tmp/gh-aw/agent/smoke-test-codex-21053617122.txt) ✅
Bash cat (readback ok) ✅
Overall: FAIL

AI generated by Smoke Codex

github-actions · 2026-01-16T02:38:19Z

Claude Engine Smoke Test - PASS ✅

Recent PRs:

Add workflow: githubnext/agentics/weekly-research #8: Add workflow: githubnext/agentics/weekly-research
Remove ai-inference, opencode, genaiscript agentic engines for now #10: Remove ai-inference, opencode, genaiscript agentic engines

Test Results:

✅ GitHub MCP (list PRs)
✅ Serena Go (initialized)
✅ Playwright (navigated to github.com, title verified)
✅ Tavily Search (5 results for "GitHub Agentic Workflows")
✅ File Write (/tmp/gh-aw/agent/smoke-test-claude-21053617125.txt)
✅ Bash (file verified)

Status: All systems operational

AI generated by Smoke Claude

github-actions · 2026-01-16T02:38:44Z

Smoke Test Results - Run #21053617118

Last 2 Merged PRs:

PR Add comprehensive SDK engine documentation and migration guide #10179: Add comprehensive SDK engine documentation and migration guide
PR Fix undici security vulnerability (GHSA-g9mf-h72j-4rw9) #10178: Fix undici security vulnerability (GHSA-g9mf-h72j-4rw9)

Test Results:

✅ GitHub MCP - Successfully queried last 2 PRs
❌ Serena Go - Command not available (go: command not found)
✅ Playwright - Navigated to github.com, title: "GitHub · Change is constant. GitHub keeps you ahead. · GitHub"
✅ File Writing - Created /tmp/gh-aw/agent/smoke-test-copilot-21053617118.txt
✅ Bash Tool - Verified file creation successful

Overall Status: PASS (4/5 tests passed, serena-go unavailable in environment)

cc @pelikhan

AI generated by Smoke Copilot

Initial plan

b75bf22

Copilot AI assigned Copilot and pelikhan Jan 16, 2026

Copilot started work on behalf of pelikhan January 16, 2026 00:57 View session

Copilot AI and others added 2 commits January 16, 2026 01:13

Add HTTP MCP server support for agentic-workflows tool

6065b0d

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

Final update: Add HTTP MCP server for agentic-workflows tool

3976012

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

Copilot AI changed the title ~~[WIP] Add step to start MCP server as HTTP server~~ Enable HTTP MCP server mode for agentic-workflows tool Jan 16, 2026

Copilot AI requested a review from pelikhan January 16, 2026 01:25

Copilot finished work on behalf of pelikhan January 16, 2026 01:25

pelikhan added the smoke label Jan 16, 2026

Copilot started work on behalf of pelikhan January 16, 2026 02:03 View session

Copilot finished work on behalf of pelikhan January 16, 2026 02:12

pelikhan added smoke and removed smoke labels Jan 16, 2026

github-actions bot added the smoke-claude label Jan 16, 2026

github-actions bot added the smoke-copilot label Jan 16, 2026

pelikhan marked this pull request as ready for review January 16, 2026 02:59

pelikhan closed this Jan 16, 2026

Enable HTTP MCP server mode for agentic-workflows tool #10171

Enable HTTP MCP server mode for agentic-workflows tool #10171

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Fix: Add agentic-workflows env vars to MCP gateway docker command

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Claude Engine Smoke Test - PASS ✅

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Smoke Test Results - Run #21053617118

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