YeonGyu-Kim faeaa1d30c feat: #144 phase 1 + ROADMAP filing — claw mcp degrades gracefully on malformed config
Filing + Phase 1 fix in one commit (sibling of #143).

## Context

With #143 Phase 1 landed (`claw status` degrades), `claw mcp` was the
remaining diagnostic surface that hard-failed on a malformed `.claw.json`.
Same input, same parse error, same partial-success violation. Fresh
dogfood at 18:59 KST caught it on main HEAD `e2a43fc`.

## Changes

### ROADMAP.md
Added Pinpoint #144 documenting the gap and acceptance criteria. Joins
the partial-success / Principle #5 cluster with #143.

### rust/crates/commands/src/lib.rs
`render_mcp_report_for()` + `render_mcp_report_json_for()` now catch the
ConfigError at loader.load() instead of propagating:

- **Text mode** prepends a "Config load error" block (same shape as
  #143's status output) before the MCP listing. The listing still renders
  with empty servers so the output structure is preserved.
- **JSON mode** adds top-level `status: "ok" | "degraded"` +
  `config_load_error: string | null` fields alongside existing fields
  (`kind`, `action`, `working_directory`, `configured_servers`,
  `servers[]`). On clean runs, `status: "ok"` and
  `config_load_error: null`. On parse failure, `status: "degraded"`,
  `config_load_error: "..."`, `servers: []`, exit 0.
- Both list and show actions get the same treatment.

### Regression test
`commands::tests::mcp_degrades_gracefully_on_malformed_mcp_config_144`:
- Injects the same malformed .claw.json as #143 (one valid + one broken
  mcpServers entry).
- Asserts mcp list returns Ok (not Err).
- Asserts top-level status: "degraded" and config_load_error names the
  malformed field path.
- Asserts show action also degrades.
- Asserts clean path returns status: "ok" with config_load_error null.

## Live verification

$ claw mcp --output-format json
{
  "action": "list",
  "kind": "mcp",
  "status": "degraded",
  "config_load_error": ".../.claw.json: mcpServers.missing-command: missing string field command",
  "working_directory": "/Users/yeongyu/clawd",
  "configured_servers": 0,
  "servers": []
}
Exit 0.

## Contract alignment after this commit

All three diagnostic surfaces match now:
- `doctor` — degraded envelope with typed check entries 
- `status` — degraded envelope with config_load_error  (#143)
- `mcp` — degraded envelope with config_load_error  (this commit)

Phase 2 (typed-error object joining taxonomy §4.44) tracked separately
across all three surfaces.

Full workspace test green except pre-existing resume_latest flake (unrelated).

Closes ROADMAP #144 phase 1.
2026-04-21 19:07:17 +09:00
2026-04-07 15:52:30 +09:00

Claw Code

ultraworkers/claw-code · Usage · Rust workspace · Parity · Roadmap · UltraWorkers Discord

Star history for ultraworkers/claw-code

Claw Code

Claw Code is the public Rust implementation of the claw CLI agent harness. The canonical implementation lives in rust/, and the current source of truth for this repository is ultraworkers/claw-code.

Important

Start with USAGE.md for build, auth, CLI, session, and parity-harness workflows. Make claw doctor your first health check after building, use rust/README.md for crate-level details, read PARITY.md for the current Rust-port checkpoint, and see docs/container.md for the container-first workflow.

ACP / Zed status: claw-code does not ship an ACP/Zed daemon entrypoint yet. Run claw acp (or claw --acp) for the current status instead of guessing from source layout; claw acp serve is currently a discoverability alias only, and real ACP support remains tracked separately in ROADMAP.md.

Current repository shape

  • rust/ — canonical Rust workspace and the claw CLI binary
  • USAGE.md — task-oriented usage guide for the current product surface
  • PARITY.md — Rust-port parity status and migration notes
  • ROADMAP.md — active roadmap and cleanup backlog
  • PHILOSOPHY.md — project intent and system-design framing
  • src/ + tests/ — companion Python/reference workspace and audit helpers; not the primary runtime surface

Quick start

Note

[!WARNING] cargo install claw-code installs the wrong thing. The claw-code crate on crates.io is a deprecated stub that places claw-code-deprecated.exe — not claw. Running it only prints "claw-code has been renamed to agent-code". Do not use cargo install claw-code. Either build from source (this repo) or install the upstream binary:

cargo install agent-code   # upstream binary — installs 'agent.exe' (Windows) / 'agent' (Unix), NOT 'agent-code'

This repo (ultraworkers/claw-code) is build-from-source only — follow the steps below.

# 1. Clone and build
git clone https://github.com/ultraworkers/claw-code
cd claw-code/rust
cargo build --workspace

# 2. Set your API key (Anthropic API key — not a Claude subscription)
export ANTHROPIC_API_KEY="sk-ant-..."

# 3. Verify everything is wired correctly
./target/debug/claw doctor

# 4. Run a prompt
./target/debug/claw prompt "say hello"

Note

Windows (PowerShell): the binary is claw.exe, not claw. Use .\target\debug\claw.exe or run cargo run -- prompt "say hello" to skip the path lookup.

Windows setup

PowerShell is a supported Windows path. Use whichever shell works for you. The common onboarding issues on Windows are:

  1. Install Rust first — download from https://rustup.rs/ and run the installer. Close and reopen your terminal when it finishes.
  2. Verify Rust is on PATH:
    cargo --version
    
    If this fails, reopen your terminal or run the PATH setup from the Rust installer output, then retry.
  3. Clone and build (works in PowerShell, Git Bash, or WSL):
    git clone https://github.com/ultraworkers/claw-code
    cd claw-code/rust
    cargo build --workspace
    
  4. Run (PowerShell — note .exe and backslash):
    $env:ANTHROPIC_API_KEY = "sk-ant-..."
    .\target\debug\claw.exe prompt "say hello"
    

Git Bash / WSL are optional alternatives, not requirements. If you prefer bash-style paths (/c/Users/you/... instead of C:\Users\you\...), Git Bash (ships with Git for Windows) works well. In Git Bash, the MINGW64 prompt is expected and normal — not a broken install.

Note

Auth: claw requires an API key (ANTHROPIC_API_KEY, OPENAI_API_KEY, etc.) — Claude subscription login is not a supported auth path.

Run the workspace test suite:

cd rust
cargo test --workspace

Documentation map

Ecosystem

Claw Code is built in the open alongside the broader UltraWorkers toolchain:

Ownership / affiliation disclaimer

  • This repository does not claim ownership of the original Claude Code source material.
  • This repository is not affiliated with, endorsed by, or maintained by Anthropic.
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