Block AI Rules
https://github.com/block/ai-rules- Category
- Developer Tools
- Rank
- No. 1114Tools index
- Pricing
- Open Source
- Type
- TOOL
- Builder
- block
- GitHub
- 130 stars
- Latest release
- v1.7.0
- Date
About
Manage AI rules, commands, and skills across multiple coding agents from one place.
What it does
Block AI Rules turns shared Markdown guidance into the formats expected by several coding assistants. It can generate selected outputs, process nested projects, create MCP configurations, report synchronization drift, and remove generated artifacts.
Why it's ranked here
The tool solves a concrete maintenance problem with a focused CLI and explicit synchronization checks. Support for rules, commands, skills, MCP settings, selective targets, and nested projects makes it more substantial than a simple template copier.
What's good
One source can feed eleven named coding agents. Configuration follows clear precedence, with command-line options overriding YAML settings and defaults. Tests cover configuration lookup, override behavior, symlink workflows, drift detection, cleanup, and agent-specific generation.
Tradeoffs
Generated files are not added to version-control exclusions by default. Configuration lookup climbs toward the repository root only inside a Git repository; without Git, it checks only the current directory. Different agents also receive different capabilities, so support is not uniform.
How to use it well
It suits teams that maintain shared coding instructions while developers use different assistants. Keep the source rules under version control, generate only required targets, and run status checks after edits. It distributes context and configuration, but it does not provide or run the coding agents themselves.
Technical notes+
Cargo.toml defines a Rust 2021 binary named ai-rules with Clap, Serde, YAML, JSON, TOML, regex, and filesystem-related dependencies. src/main.rs delegates to run_cli, while src/cli/mod.rs dispatches initialization, generation, status, cleanup, and agent listing. src/config.rs searches for YAML configuration from the working directory toward the Git root and includes inline unit tests. src/agents/mod.rs exposes separate generators, src/agents/amp.rs covers rules, commands, and skills, and src/agents/roo.rs adds MCP output. src/commands/mod.rs contains integration tests for generation, symlink mode, drift detection, and cleanup.
Observed
- License
- Apache License 2.0
- Primary language
- Rust, using the 2021 edition
- Interface
- Command-line binary named ai-rules
- Installation surface
- Shell installer downloads the binary to a configurable directory, defaulting to the user's local bin directory
- Configuration
- YAML configuration with command-line options taking precedence over file settings and defaults
- Agent support
- AMP, Claude Code, Cline, Codex, Copilot, Cursor, Firebender, Gemini, Goose, Kilocode, and Roo
- Testing structure
- Unit and workflow tests are embedded in Rust modules
Read from README.md, Cargo.toml, src/main.rs, src/config.rs, src/constants.rs, src/cli/mod.rs, src/cli/args.rs, src/utils/mod.rs, src/cli/tests.rs, src/agents/mod.rs, src/models/mod.rs, src/agents/amp.rs, src/agents/roo.rs, src/commands/mod.rs, src/agents/codex.rs.
What it can do
Create AI rules for coding agents
Rule parameters and conditions → Configured AI rules
Manage commands across multiple coding agents
Command definitions and agent selections → Distributed commands to specified agents
Configure skills for coding agents
Skill definitions and parameters → Agent skill configurations
Centralize control of multiple coding agents
Agent connections and credentials → Unified agent management interface
Deploy rule sets to selected agents
Rule configurations and target agent list → Applied rules on specified coding agents
Monitor agent rule compliance
Agent activity and rule definitions → Compliance status and reports
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Editorially curated, with community endorsements as a secondary signal. Corrections welcome.