no biscuit no service when Codex Apps mcp try to load
Open 💬 4 comments Opened Jul 19, 2026 by spinualexandru
What version of Codex CLI is running?
0.144.6
What subscription do you have?
Pro Lite
Which model were you using?
5.6 Sol
What platform is your computer?
Linux 7.1.3-2-cachyos x86_64 unknown
What terminal emulator and version are you using (if applicable)?
Ghostty
Codex doctor report
{
"schemaVersion": 1,
"generatedAt": "1784471516s since unix epoch",
"overallStatus": "ok",
"codexVersion": "0.144.6",
"checks": {
"app_server.status": {
"id": "app_server.status",
"category": "app-server",
"status": "ok",
"summary": "background server is not running",
"details": {
"control socket": "/home/alex/.codex/app-server-control/app-server-control.sock",
"daemon state dir": "/home/alex/.codex/app-server-daemon",
"mode": "ephemeral",
"pid file": "/home/alex/.codex/app-server-daemon/app-server.pid (missing)",
"settings": "/home/alex/.codex/app-server-daemon/settings.json (missing)",
"status": "not running",
"update-loop pid file": "/home/alex/.codex/app-server-daemon/app-server-updater.pid (missing)"
},
"remediation": null,
"durationMs": 0
},
"auth.credentials": {
"id": "auth.credentials",
"category": "auth",
"status": "ok",
"summary": "auth is configured",
"details": {
"auth file": "/home/alex/.codex/auth.json",
"auth storage mode": "File",
"stored API key": "false",
"stored ChatGPT tokens": "true",
"stored agent identity": "false",
"stored auth mode": "chatgpt"
},
"remediation": null,
"durationMs": 0
},
"config.load": {
"id": "config.load",
"category": "config",
"status": "ok",
"summary": "config loaded",
"details": {
"CODEX_HOME": "/home/alex/.codex",
"config.toml": "/home/alex/.codex/config.toml",
"config.toml parse": "ok",
"cwd": "/home/alex",
"enabled feature flags": "shell_tool, unified_exec, shell_snapshot, code_mode_host, terminal_resize_reflow, sqlite, memories, hooks, enable_request_compression, multi_agent, apps, tool_search_always_defer_mcp_tools, tool_suggest, plugins, in_app_browser, browser_use, browser_use_full_cdp_access, browser_use_external, computer_use, remote_plugin, plugin_sharing, image_generation, resize_all_images, skill_mcp_dependency_install, mentions_v2, steer, guardian_approval, goals, collaboration_modes, tool_call_mcp_elicitation, auth_elicitation, personality, fast_mode, tui_app_server, remote_compaction_v2, workspace_dependencies",
"feature flag overrides": "memories=true",
"feature flags enabled": "36",
"log dir": "/home/alex/.codex/log",
"mcp servers": "1",
"model": "gpt-5.6-sol",
"model provider": "openai",
"sqlite home": "/home/alex/.codex"
},
"remediation": null,
"durationMs": 0
},
"git.environment": {
"id": "git.environment",
"category": "git",
"status": "ok",
"summary": "git version 2.55.0",
"details": {
"PATH git #1": "/usr/bin/git",
"PATH git entries": "1",
"git build options": "git version 2.55.0; cpu: x86_64; built from commit: e9019fcafe0040228b8631c30f97ae1adb61bcdc; sizeof-long: 8; sizeof-size_t: 8; shell-path: /bin/sh; rust: enabled; feature: fsmonitor--daemon; gettext: enabled; libcurl: 8.21.0; OpenSSL: OpenSSL 3.6.3 9 Jun 2026; zlib-ng: 2.3.3; SHA-1: SHA1_DC; SHA-256: SHA256_BLK; default-ref-format: files; default-hash: sha1",
"git exec path": "/usr/lib/git-core",
"git version": "git version 2.55.0",
"repo detected": "false",
"selected git": "/usr/bin/git"
},
"remediation": null,
"durationMs": 20
},
"installation": {
"id": "installation",
"category": "install",
"status": "ok",
"summary": "installation looks consistent",
"details": {
"PATH codex #1": "/home/alex/.local/bin/codex",
"PATH codex #2": "/home/alex/.local/bin/codex",
"PATH codex #3": "/home/alex/.local/bin/codex",
"PATH codex entries": "3",
"current executable": "/home/alex/.codex/packages/standalone/releases/0.144.6-x86_64-unknown-linux-musl/bin/codex",
"install context": "standalone (unix, package /home/alex/.codex/packages/standalone/releases/0.144.6-x86_64-unknown-linux-musl, bin /home/alex/.codex/packages/standalone/releases/0.144.6-x86_64-unknown-linux-musl/bin, resources /home/alex/.codex/packages/standalone/releases/0.144.6-x86_64-unknown-linux-musl/codex-resources, path /home/alex/.codex/packages/standalone/releases/0.144.6-x86_64-unknown-linux-musl/codex-path)",
"managed by bun": "false",
"managed by npm": "false",
"managed by pnpm": "false",
"managed package root": "not set"
},
"remediation": null,
"durationMs": 0
},
"mcp.config": {
"id": "mcp.config",
"category": "mcp",
"status": "ok",
"summary": "MCP configuration is locally consistent",
"details": {
"configured servers": "1",
"disabled servers": "0",
"streamable_http servers": "1"
},
"remediation": null,
"durationMs": 3347
},
"network.env": {
"id": "network.env",
"category": "network",
"status": "ok",
"summary": "network-related environment looks readable",
"details": {
"proxy env vars": "none"
},
"remediation": null,
"durationMs": 0
},
"network.provider_reachability": {
"id": "network.provider_reachability",
"category": "reachability",
"status": "ok",
"summary": "active provider endpoints are reachable over HTTP",
"details": {
"ChatGPT base URL": "https://chatgpt.com/backend-api/ reachable (HTTP 404)",
"reachability mode": "ChatGPT auth"
},
"remediation": null,
"durationMs": 102
},
"network.websocket_reachability": {
"id": "network.websocket_reachability",
"category": "websocket",
"status": "ok",
"summary": "Responses WebSocket handshake succeeded",
"details": {
"DNS": "2 IPv4, 2 IPv6, first IPv6",
"auth mode": "chatgpt",
"connect timeout": "15000 ms",
"endpoint": "wss://chatgpt.com/backend-api/<redacted>",
"handshake result": "HTTP 101 Switching Protocols",
"model provider": "openai",
"models etag present": "true",
"provider name": "OpenAI",
"proxy env vars": "none",
"reasoning header": "false",
"server model present": "false",
"supports websockets": "true",
"wire API": "responses"
},
"remediation": null,
"durationMs": 1035
},
"runtime.provenance": {
"id": "runtime.provenance",
"category": "runtime",
"status": "ok",
"summary": "running standalone on linux-x86_64",
"details": {
"commit": "unknown",
"current executable": "/home/alex/.codex/packages/standalone/releases/0.144.6-x86_64-unknown-linux-musl/bin/codex",
"install method": "standalone (unix, package /home/alex/.codex/packages/standalone/releases/0.144.6-x86_64-unknown-linux-musl, bin /home/alex/.codex/packages/standalone/releases/0.144.6-x86_64-unknown-linux-musl/bin, resources /home/alex/.codex/packages/standalone/releases/0.144.6-x86_64-unknown-linux-musl/codex-resources, path /home/alex/.codex/packages/standalone/releases/0.144.6-x86_64-unknown-linux-musl/codex-path)",
"platform": "linux-x86_64",
"version": "0.144.6"
},
"remediation": null,
"durationMs": 0
},
"runtime.search": {
"id": "runtime.search",
"category": "search",
"status": "ok",
"summary": "search is OK (bundled)",
"details": {
"search command": "/home/alex/.codex/packages/standalone/releases/0.144.6-x86_64-unknown-linux-musl/codex-path/rg",
"search command readiness": "file exists",
"search provider": "bundled"
},
"remediation": null,
"durationMs": 0
},
"sandbox.helpers": {
"id": "sandbox.helpers",
"category": "sandbox",
"status": "ok",
"summary": "sandbox configuration is readable",
"details": {
"approval policy": "OnRequest",
"codex-linux-sandbox helper": "/home/alex/.codex/tmp/arg0/codex-arg0nkVsJz/codex-linux-sandbox",
"execve wrapper helper": "/home/alex/.codex/tmp/arg0/codex-arg0nkVsJz/codex-execve-wrapper",
"filesystem sandbox": "restricted",
"network sandbox": "restricted"
},
"remediation": null,
"durationMs": 0
},
"state.paths": {
"id": "state.paths",
"category": "state",
"status": "ok",
"summary": "state paths and databases are inspectable",
"details": {
"CODEX_HOME": "/home/alex/.codex (dir)",
"active rollout files": "62 files, 65724893 total bytes, 1060078 average bytes",
"archived rollout files": "0 files, 0 total bytes, 0 average bytes",
"goals DB": "/home/alex/.codex/goals_1.sqlite (file)",
"goals DB integrity": "ok",
"log DB": "/home/alex/.codex/logs_2.sqlite (file)",
"log DB integrity": "ok",
"log dir": "/home/alex/.codex/log (missing)",
"memories DB": "/home/alex/.codex/memories_1.sqlite (file)",
"memories DB integrity": "ok",
"sqlite home": "/home/alex/.codex (dir)",
"standalone release cache": "5 entries in /home/alex/.codex/packages/standalone/releases",
"state DB": "/home/alex/.codex/state_5.sqlite (file)",
"state DB integrity": "ok"
},
"remediation": null,
"durationMs": 167
},
"state.rollout_db_parity": {
"id": "state.rollout_db_parity",
"category": "threads",
"status": "ok",
"summary": "rollout files and state DB thread inventory agree",
"details": {
"default model provider": "openai",
"rollout DB active files": "62",
"rollout DB active rows": "62",
"rollout DB archive mismatches": "0",
"rollout DB archived files": "0",
"rollout DB archived rows": "0",
"rollout DB duplicate DB paths": "0",
"rollout DB duplicate rollout thread ids": "0",
"rollout DB malformed file names": "0",
"rollout DB missing active rows": "0",
"rollout DB missing archived rows": "0",
"rollout DB model providers": "openai=57, custom-gateway=5",
"rollout DB rows": "62",
"rollout DB scan cap reached": "false",
"rollout DB scan errors": "0",
"rollout DB sources": "cli=31, vscode=19, subagent:other=11, subagent:thread_spawn=1",
"rollout DB stale rows": "0"
},
"remediation": null,
"durationMs": 297
},
"system.environment": {
"id": "system.environment",
"category": "system",
"status": "ok",
"summary": "OS language en-US",
"details": {
"EDITOR": "not set",
"LANG": "en_US.UTF-8",
"VISUAL": "not set",
"os": "CachyOS Linux Rolling Release [64-bit]",
"os language": "en-US",
"os type": "CachyOS Linux",
"os version": "Rolling Release"
},
"remediation": null,
"durationMs": 6
},
"terminal.env": {
"id": "terminal.env",
"category": "terminal",
"status": "ok",
"summary": "terminal metadata was detected",
"details": {
"COLORTERM": "truecolor",
"DISPLAY": "present",
"TERMINFO": "/usr/lib/kitty/terminfo (dir)",
"WAYLAND_DISPLAY": "present",
"color output": "enabled",
"effective locale": "en_US.UTF-8",
"stderr is terminal": "true",
"stdin is terminal": "true",
"stdout is terminal": "true",
"terminal": "kitty",
"terminal size": "129x38"
},
"remediation": null,
"durationMs": 0
},
"terminal.title": {
"id": "terminal.title",
"category": "title",
"status": "ok",
"summary": "terminal title default",
"details": {
"terminal title activity": "true",
"terminal title items": "activity, project-name",
"terminal title project source": "cwd",
"terminal title project value": "alex",
"terminal title source": "default"
},
"remediation": null,
"durationMs": 0
},
"updates.status": {
"id": "updates.status",
"category": "updates",
"status": "ok",
"summary": "update configuration is locally consistent",
"details": {
"cached latest version": "0.144.6",
"check for update on startup": "true",
"last checked at": "2026-07-19T14:25:10.195512884Z",
"latest version": "0.144.6",
"latest version status": "current version is not older",
"update action": "standalone installer",
"version cache": "/home/alex/.codex/version.json"
},
"remediation": null,
"durationMs": 486
}
}
}What issue are you seeing?
⚠ MCP client for codex_apps failed to start: MCP startup failed: handshaking with MCP server failed: Send message error
Transport
[rmcp::transport::worker::WorkerTransport<rmcp::transport::streamable_http_client::StreamableHttpClientWorker<codex_rmcp_client
::http_client_adapter::StreamableHttpClientAdapter>>] error: unexpected server response: HTTP 451:
{"message":"no_biscuit_no_service"}, when send initialize request
What steps can reproduce the bug?
Uploaded thread: 019f7ac8-f328-7cd0-9e51-6ff7bd834379
What is the expected behavior?
Not to have this issue
Additional information
_No response_
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