Delimit
One workspace for every AI coding assistant. Governance tools for API lint, diff, persistent ledger, multi-model deliberation, security audit, and test verification. Works with Claude Code, Codex, Cursor, and Gemini CLI.
What is Delimit?
Delimit is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to one workspace for every ai coding assistant. governance tools for api lint, diff, persistent ledger, multi-model deliberation, security audit, and test verification. works with claude code, codex, cur...
One workspace for every AI coding assistant. Governance tools for API lint, diff, persistent ledger, multi-model deliberation, security audit, and test verification. Works with Claude Code, Codex, Cursor, and Gemini CLI.
This server falls under the Developer Tools category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- One workspace for every AI coding assistant. Governance tool
Use Cases
Maintainer
Works with
Installation
NPM
npx -y delimit-cliManual Installation
npx -y delimit-cliConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use Delimit
Delimit is an AI governance platform and MCP server that provides a shared workspace across AI coding assistants including Claude Code, Codex, Cursor, and Gemini CLI. It enforces API governance by linting OpenAPI specs, classifying breaking vs. non-breaking changes across 28 deterministic change types, and maintaining a persistent signed ledger of AI-generated code changes with HMAC attestations. Teams use Delimit to ensure multi-model code changes are safe, auditable, and policy-compliant before they reach production.
Prerequisites
- Node.js installed (for the npx CLI)
- A Git repository (required for the wrap command and attestation features)
- An OpenAPI 3.0/3.1 or Swagger 2.0 spec file (for API governance features)
- Optional: Supabase account for cloud sync of the governance ledger
- An MCP-compatible client such as Claude Desktop, Claude Code, or Cursor
Run the diagnostic check
Before anything else, run the doctor command to verify your environment meets all requirements. It will report any missing dependencies or configuration issues.
npx -y delimit-cli doctorRun the guided setup wizard
Use the init command to create your local Delimit configuration. This generates ~/.delimit/policies.yml and project-level .delimit/ config with sensible defaults.
npx -y delimit-cli initInstall Delimit into your AI assistants
The setup command automatically detects installed AI coding tools (Claude Code, Cursor, Codex, Gemini CLI) and injects the MCP server configuration into each one.
npx -y delimit-cli setupAdd Delimit to your MCP client manually (optional)
If you prefer manual configuration, add delimit-cli to your claude_desktop_config.json with the following block.
{
"mcpServers": {
"delimit": {
"command": "npx",
"args": ["-y", "delimit-cli"]
}
}
}Wrap AI coding commands with governance
Use delimit wrap to pipe any AI CLI command through signed governance. It snapshots the git diff before and after, runs lint and tests, and produces an HMAC-signed attestation.
npx -y delimit-cli wrap -- claude "fix the flaky test"Dry-run your governance policies
Before enforcing policies in CI, use the simulate command to preview which changes would be blocked or flagged under your current policy configuration.
npx -y delimit-cli simulateView your governance dashboard
Check the current setup state, connected AI tools, and ledger status at any time with the status command.
npx -y delimit-cli statusDelimit Examples
Client configuration
Add this to claude_desktop_config.json to use Delimit as an MCP server providing governance tools to Claude.
{
"mcpServers": {
"delimit": {
"command": "npx",
"args": ["-y", "delimit-cli"],
"env": {
"DELIMIT_WEBHOOK_URL": "https://your-webhook.example.com/events"
}
}
}
}Prompts to try
Governance-focused prompts that leverage Delimit's MCP tools inside Claude.
- "Remember this architectural decision: we use JWT for auth, not sessions. Tag it as auth, architecture."
- "Recall what we decided about authentication in this project"
- "Lint my OpenAPI spec and classify all breaking changes"
- "Generate an AI software bill of materials for this project"
- "Show me the attestation history for the last 5 AI-assisted commits"Troubleshooting Delimit
npx -y delimit-cli doctor reports missing dependencies
Install the flagged tools individually (e.g., git, node). If a specific AI tool integration is missing, ensure that tool is installed and accessible on your PATH before re-running the setup command.
delimit wrap returns signing error or missing attestation
The wrap command requires the working directory to be inside a Git repository with at least one commit. Run `git init && git commit --allow-empty -m init` if starting a new project, then retry.
Cloud sync fails with Supabase connection error
Cloud sync is opt-in. Ensure SUPABASE_URL and SUPABASE_SERVICE_ROLE_KEY are set in your environment if you want sync enabled. To disable cloud sync entirely, set DELIMIT_DISABLE_CLOUD_SYNC=1.
Frequently Asked Questions about Delimit
What is Delimit?
Delimit is a Model Context Protocol (MCP) server that one workspace for every ai coding assistant. governance tools for api lint, diff, persistent ledger, multi-model deliberation, security audit, and test verification. works with claude code, codex, cursor, and gemini cli. It connects AI assistants to external tools and data sources through a standardized interface.
How do I install Delimit?
Install via npm with the command: npx -y delimit-cli. Then add the server configuration to your AI client's JSON config file (e.g., claude_desktop_config.json or .cursor/mcp.json).
Which AI clients work with Delimit?
Delimit works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is Delimit free to use?
Yes, Delimit is open source and available under the MIT License license. You can use it freely in both personal and commercial projects.
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