cartomancer 0.3.0

PR review tool with blast radius awareness — Semgrep + cartog + LLM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61

# cartomancer

PR review tool with blast radius awareness — Semgrep + cartog + LLM deepening.

Cartomancer bridges static analysis with code graph intelligence to produce structurally-aware, severity-escalated review comments on GitHub pull requests.

## Install

```bash
cargo install cartomancer
```

Requires [Semgrep](https://semgrep.dev/) in PATH.

## Usage

```bash
# Scan a local directory
cartomancer scan .

# Review a GitHub PR (requires GITHUB_TOKEN)
export GITHUB_TOKEN=ghp_...
cartomancer review owner/repo 42

# Dry run — output review JSON without posting
cartomancer review owner/repo 42 --dry-run

# Reuse an existing checkout
cartomancer review owner/repo 42 --work-dir /path/to/repo
```

## How it works

1. Fetch PR diff from GitHub
2. Run Semgrep with `--baseline-commit` (only new findings)
3. Enrich with [cartog](https://crates.io/crates/cartog) blast radius and caller analysis
4. Escalate severity for findings in auth/payment flows or with large blast radius
5. Optionally deepen high-severity findings with LLM (Ollama or Anthropic)
6. Post PR review with inline comments + summary

## Configuration

Create `.cartomancer.toml` in your project root:

```toml
[semgrep]
rules = ["auto"]
timeout_seconds = 120

[llm]
provider = "ollama"
ollama_model = "gemma4"

[severity]
blast_radius_threshold = 5
llm_deepening_threshold = "error"
```

## License

MIT