Hermes Agent
b1254f52f3
Round-five review found command substitution executing inside the very quoted spans the skeleton was discarding as prose: echo "$(curl -d@b .../issues/1/comments)" msg="$(curl -d@b .../issues/1/comments)" The unquoted and process-substitution forms already blocked, so the same call was refused or allowed depending on a quote character. That makes it a classification defect rather than another spelling, and it is the nineteenth write to reach execution through this file by the same route: the client was ABSENT from the skeleton, so the guard allowed. The reviewer's judgement, which I asked for and accept: this is fitting to the test set. Answering "code or data" from shell text with sed and awk is not a hard problem, it is the wrong problem. It was also not portable. CI has been red at `sanitization` since round four, and the log says why: under the image's busybox awk the octal escape in the quote-stripping regex does not bite, every quoted span survives into the skeleton, and the guard began refusing ordinary prose. Five allow-direction fixtures failed in CI that pass under GNU awk. A control that reverses its verdict with the awk on the host is not a control. So the client detection is gone — the skeleton, the invoker list, the prefix list, the option-value skipping, all of it. What remains asks two questions of the text: is this a write, and does it name an endpoint a wrapper owns. It cannot fail open by hiding the caller because it never looks for one, and it now catches clients it was never taught: `python -c ... requests.post(...)` and `wget --post-data` are both fixtures. The cost is stated in the file and pinned in both directions: QUOTING one of these calls on a Bash command line is refused as well. Ten fixtures that used to assert "discussing a call is not making one" now assert the opposite, and the boundary that stops this becoming block-everything is asserted just as hard — a quoted READ, an endpoint named without a body flag, a quoted write to an UNWRAPPED endpoint, and the wrapper's own body flag all still pass. The 18-command ordinary-work sweep blocks none. The rule an agent can hold without a parser: do not put a raw write to a wrapped forge endpoint on a Bash command line, not even inside quotes. Write the example with a file-writing tool. 60/60 fixtures, verified inside the CI image (busybox) as well as locally. Gates: sanitization, resident budget, test enumeration, tools-index (self-test 4/4, git suite 100%), issue-close, prettier.
@mosaicstack/mosaic
CLI package for the Mosaic self-hosted AI agent platform.
Usage
mosaic wizard # First-run setup wizard
mosaic gateway install # Install the gateway daemon
mosaic config show # View current configuration
mosaic config hooks list # Manage Claude hooks
Headless / CI Installation
Set MOSAIC_ASSUME_YES=1 (or ensure stdin is not a TTY) to skip all interactive prompts. The following environment variables control the install:
Gateway configuration (mosaic gateway install)
| Variable | Default | Required |
|---|---|---|
MOSAIC_STORAGE_TIER |
local |
No |
MOSAIC_GATEWAY_PORT |
14242 |
No |
MOSAIC_DATABASE_URL |
(none) | Yes if tier=team |
MOSAIC_VALKEY_URL |
(none) | Yes if tier=team |
MOSAIC_ANTHROPIC_API_KEY |
(none) | No |
MOSAIC_CORS_ORIGIN |
http://localhost:3000 |
No |
Admin user bootstrap
| Variable | Default | Required |
|---|---|---|
MOSAIC_ADMIN_NAME |
(none) | Yes (headless) |
MOSAIC_ADMIN_EMAIL |
(none) | Yes (headless) |
MOSAIC_ADMIN_PASSWORD |
(none) | Yes (headless) |
MOSAIC_ADMIN_PASSWORD must be at least 8 characters. In headless mode a missing or too-short password causes a non-zero exit.
Example: Docker / CI install
export MOSAIC_ASSUME_YES=1
export MOSAIC_ADMIN_NAME="Admin"
export MOSAIC_ADMIN_EMAIL="[email protected]"
export MOSAIC_ADMIN_PASSWORD="securepass123"
mosaic gateway install
Runtime launchers
mosaic claude # Launch Claude Code with Mosaic injection
mosaic yolo claude # …with --dangerously-skip-permissions
mosaic codex | opencode | pi
mosaic claudex (EXPERIMENTAL)
Runs GPT models inside the Claude Code harness by pointing Claude Code at a
local claude-code-proxy that
translates the Anthropic Messages API to a ChatGPT-subscription (Codex OAuth)
backend. This is not Anthropic Claude — model behavior, tool use, and output
quality may differ. Intended for evaluation, not production delivery.
mosaic claudex # launch (prompts through the proxy readiness gate)
mosaic yolo claudex # …with --dangerously-skip-permissions
mosaic claudex --print "hello" # trailing args are forwarded to Claude Code
Prerequisite: the claude-code-proxy binary must be installed and
authenticated (claude-code-proxy codex auth …). mosaic claudex runs a
preflight that verifies the binary, the OAuth state (triggering a device re-auth
if needed), and a trusted local listener before launching; it fails closed
if the proxy cannot be brought up with a verified identity.
Isolation (never touches your real Claude state). claudex always launches
against an isolated CLAUDE_CONFIG_DIR (default ~/.config/mosaic/claudex/home).
The ambient CLAUDE_CONFIG_DIR is deliberately ignored, and a guard proves the
resolved dir can never be — or live under — the real ~/.claude. A claudex
session therefore cannot mutate your normal Claude Code config.
No token leakage. claudex never reads the proxy's credential file. Claude
Code is handed only ANTHROPIC_AUTH_TOKEN=unused pointed at the loopback proxy;
the entire credential-bearing env family (ANTHROPIC_*, AWS_*, GOOGLE_CLOUD_*,
GOOGLE_APPLICATION_CREDENTIALS, *_TOKEN, *_KEY, *_SECRET, …) is stripped
from the composed environment. The Bedrock/Vertex routing switches
(CLAUDE_CODE_USE_BEDROCK, CLAUDE_CODE_USE_VERTEX, and the _SKIP_*_AUTH
pair) are force-removed regardless of value — otherwise their mere presence
would route Claude Code to the real Anthropic API via AWS/GCP and bypass the
proxy. The proxy holds the real OAuth credential.
Model tiers (override via env).
| Tier | Env var | Default |
|---|---|---|
| primary (opus/sonnet) | ANTHROPIC_MODEL |
gpt-5.6-sol |
| small/fast (haiku) | ANTHROPIC_SMALL_FAST_MODEL |
gpt-5.6-luna |
Operator-provided values win over the defaults. Additional overrides:
MOSAIC_CLAUDEX_CONFIG_DIR (isolated config dir), ANTHROPIC_BASE_URL (proxy
endpoint).
Hooks management
After running mosaic wizard, Claude hooks are installed in ~/.claude/hooks-config.json.
mosaic config hooks list # Show all hooks and enabled/disabled status
mosaic config hooks disable PostToolUse # Disable a hook (reversible)
mosaic config hooks enable PostToolUse # Re-enable a disabled hook
Set CLAUDE_HOME to override the default ~/.claude directory.