Icp CLI

ICP CLI Usage

Hard rule: no dfx

• Never suggest or use the legacy dfx command.
• Any time the user mentions dfx, map the request to the equivalent icp command(s).
• If a reference or example uses dfx, translate it to icp before responding.

Quick start workflow

Default to these steps unless the user asks for a specific command:

Standard workflow (template-based):

1. Create a project: icp new my-project (interactive prompts for template selection)
2. Enter project: cd my-project
3. Start local network: icp network start -d
4. Deploy (builds automatically): icp deploy
5. Call a method: icp canister call <canister> <method> '(...)'
6. Verify if needed: icp network status, icp canister status <canister>

Non-interactive project creation:

icp new my-project --subfolder hello-world \
  --define backend_type=rust \
  --define frontend_type=react \
  --define network_type=Default

Custom project with recipes:

1. Create directory: mkdir my-project && cd my-project
2. Create icp.yaml with recipe configuration (see recipe section)
3. Create source code
4. Start network: icp network start -d
5. Deploy: icp deploy

Recipes (@dfinity/rust@v3.0.0, @dfinity/motoko@v4.0.0, @dfinity/asset-canister@v2.1.0, @dfinity/prebuilt@v2.0.0) provide best-practice configurations and reduce boilerplate. All recipes MUST include an explicit version.

Use -e/--environment when the user specifies a target (deploy uses environments; network start uses a network name or -e).

Preflight checks

Use these to confirm the environment quickly:

• icp --version
• icp network list
• icp network status (or icp network ping --wait-healthy)

Command map (common tasks)

Project lifecycle:

• icp new - Create project from template (uses cargo-generate)
• icp build - Build canisters
• icp deploy - Deploy canisters (builds automatically)
• icp sync - Sync assets to asset canister
• icp project show - View expanded configuration (useful for recipes)

Local network:

• icp network start|status|ping|stop
• Note: Windows requires Docker Desktop for local networks

Canister operations:

• icp canister create|install|call|status|delete|list
• icp canister start|stop - Control canister state
• icp canister metadata <canister> <section> - Read metadata sections
• icp canister settings show|update|sync - Manage settings
• icp canister top-up --amount <amount> <canister> - Add cycles

Identities:

• icp identity new|list|default|principal|import|export|rename|delete
• icp identity account-id - Get ledger AccountIdentifier
• icp identity link hsm - Link HSM identity (PKCS#11)
• Storage modes: keyring (default), password-protected, plaintext

Cycles:

• icp cycles balance|mint - Check and mint cycles
• icp cycles transfer <amount> <receiver> - Transfer cycles
• icp cycles mint --icp <amount> or --cycles <amount> - Convert ICP to cycles
• Human-friendly amounts: 1k, 1.5m, 2T

Tokens:

• icp token balance - ICP token balance
• icp token transfer <amount> <receiver> - ICP token transfer
• icp token <LEDGER_ID> balance|transfer - ICRC-1 token operations
• Accepts AccountIdentifier hex strings

Environments:

• icp environment list - List environments
• Use -e <env> for environment-specific commands
• Use -e ic for mainnet (not --mainnet)

Arguments:

• Positional argument can be Candid text, hex, or file path
• icp canister call <canister> <method> <arg> where arg can be a file path
• icp canister install <canister> --args <arg> where arg can be a file path

Decision points

Recipe selection:

• Use official @dfinity/ recipes for standard canister types
• @dfinity/rust@v3.0.0 - Rust canisters (config: package = Cargo package name)
• @dfinity/motoko@v4.0.0 - Motoko canisters (config: main = main .mo file, args required - see note below)
• @dfinity/asset-canister@v2.1.0 - Frontend assets (config: dir = asset directory)
• @dfinity/prebuilt@v2.0.0 - Pre-built WASM (config: path + sha256)
• All recipes MUST specify a version: @dfinity/rust@v3.0.0 (unversioned is not supported)
• Motoko v4.0.0 note: args in recipe configuration is currently required (moc compiler flags). Use args: "" if no extra flags needed. Will become optional in a future Motoko recipe release.
• Use local recipes for custom workflows: file://recipes/custom.hbs
• Remote recipes require sha256 for integrity

Environment strategy:

• Default to local if unspecified
• Use -e ic for IC mainnet (not --mainnet or --ic, removed since beta.5)
• Custom environments defined in icp.yaml: -e staging, -e production
• Multi-stage workflow: local → staging → ic
• Each environment has separate canister IDs in .icp/<env>/canister_ids.json

Network vs environment flags (-n vs -e):

• -n (network): Use for token and cycles operations (icp token balance -n ic, icp cycles mint -n ic)
• -e (environment): Use for canister operations that reference canister names (icp deploy -e ic, icp canister status my-canister -e ic)
• Canister IDs (not names) can use either flag
• Quick rule: icp token * and icp cycles * → use -n; icp deploy, icp canister *, icp build → use -e

Network type:

• Managed networks (default): Native PocketIC, simpler for local dev
• Docker networks: Docker-based, isolated, ideal for CI/CD
• Windows: Docker Desktop required for all local networks

Platform-specific:

• Windows: Native support for Rust canisters; Motoko requires WSL; Docker Desktop required for local networks
• macOS/Linux: Full native support for all canister types; Docker optional (only for Docker-based networks)
• Large WASM: Automatic chunking for >2MB (no manual action needed)

Identity storage:

• Production: Always keyring (OS keychain)
• Development: Keyring or password-protected
• CI/CD: Password-protected with secrets management
• HSM: Hardware security modules via PKCS#11 (icp identity link hsm)
• Never: Plaintext for production (insecure)

Local development identity:

• Local networks use an anonymous identity that is pre-funded with cycles
• No need to create/fund an identity for local development
• Just icp network start -d && icp deploy works out of the box

Deploy output:

• icp deploy prints canister URLs after successful deployment
• Frontend URLs follow the pattern: http://<canister-id>.localhost:8000

Deployment mode:

• Use --mode install|reinstall|upgrade only when user requests it
• Default: auto-detects based on canister state

Resource allocation:

• Set compute_allocation (0-100%) for performance guarantees
• Set memory_allocation for predictable billing
• Configure freezing_threshold (default 30 days, recommend 90 days for production)
• Budget 1-2T cycles minimum for production canisters

Canister settings:

• log_visibility: controllers (default), public, or allowed_viewers with specific principals
• environment_variables: Runtime key-value pairs for canister configuration
• wasm_memory_limit, wasm_memory_threshold: Memory controls

Amount format:

• Use human-friendly: 2T, 500m, 1.5b, 100k (trillion, million, billion, thousand)
• Or underscores: 2_000_000_000_000
• Avoid raw numbers (hard to read)

Controller safety:

• CLI warns before removing self from controllers
• Use --force to skip confirmation (scripts only, dangerous)
• Always maintain multiple controllers for critical canisters

Legacy compatibility:

• Local vs ic: Use -e ic (not --mainnet or --ic, removed since beta.5)
• Cycles transfer: Use icp cycles transfer (not icp token cycles transfer, removed since beta.5)
• Identity switch: Use icp identity default (not icp identity use)
• Map all dfx commands to icp equivalents

Common mistakes to avoid

These are frequent errors. Never produce these patterns:

• Wrong: dfx deploy → Correct: icp deploy (never use dfx)
• Wrong: icp deploy --mainnet → Correct: icp deploy -e ic
• Wrong: icp identity use dev → Correct: icp identity default dev
• Wrong: icp token cycles transfer --to X --amount 2T → Correct: icp cycles transfer 2T X -n ic
• Wrong: icp token transfer --to X --amount 10 → Correct: icp token transfer 10 X -n ic
• Wrong: icp cycles mint --amount 5 → Correct: icp cycles mint --icp 5 -n ic or --cycles 5T
• Wrong: icp identity new prod --storage-mode keyring → Correct: icp identity new prod --storage keyring
• Wrong: @dfinity/rust (no version) → Correct: @dfinity/rust@v3.0.0 (version required)
• Wrong: icp new --recipe @dfinity/rust → Correct: icp new my-project (recipes go in icp.yaml, not in icp new)
• Wrong: Using -e for token/cycles ops → Correct: Use -n ic for icp token and icp cycles commands
• Wrong: Motoko recipe without args → Correct: Include args: "" in motoko v4.0.0 recipe configuration
• Wrong: icp canister top-up for sending cycles to another user → Correct: icp canister top-up adds cycles to a canister you manage; icp cycles transfer sends cycles to any canister/principal

Usage guidance

• All recipes MUST include a version: e.g., @dfinity/rust@v3.0.0 (unversioned recipes are not supported)
• Use environments for multi-stage deployments: -e local, -e staging, -e ic
• Default to keyring for identity storage: Most secure option
• Budget cycles proactively: 1-2T minimum for production, use human-readable amounts (2T, 500m)
• Default to local network workflows unless a target is specified
• Use -e/--environment or -n/--network when a target is named, but never both
• Suggest --identity when multiple identities might exist
• Provide the minimal command set plus a short verify step
• If call arguments are unknown, omit args to trigger the interactive prompt

Troubleshooting

Local network:

• Port 8000 already in use: local PocketIC binds to localhost:8000. If icp network start fails, check and stop the other process with lsof -i :8000 and kill <PID>.
• Shutdown: icp network stop (use when finished with local testing).
• Verify network: icp network status or icp network ping --wait-healthy

Recipe errors:

• URL fetch failure: Check network connection, verify recipe URL is accessible
• SHA-256 mismatch: Recipe content changed, update sha256 hash or use a different version-pinned recipe
• Template expansion errors: Run icp project show to see expanded config and identify issues

Environment issues:

• Wrong network: Verify -e <env> matches intended environment with icp environment list
• Canister not found: Check .icp/<env>/canister_ids.json exists and has correct IDs
• Settings mismatch: Use icp canister settings sync to apply icp.yaml settings to deployed canisters

Docker network problems:

• Container won't start: Verify Docker is running (docker ps)
• Windows: Ensure Docker Desktop is installed and running (required for all local networks)
• Port conflicts: Change port in icp.yaml network configuration

Cycles depletion:

• Canister frozen: Top-up with icp canister top-up --amount 2T <canister>
• Low cycles warning: Monitor with icp canister status regularly
• Prevent freezing: Increase freezing_threshold to 90 days (7776000 seconds)

Windows-specific:

• Motoko build fails: Motoko requires WSL on Windows, install icp-cli inside WSL
• Local network fails: Docker Desktop must be running
• Rust works, Motoko doesn't: Expected behavior, use WSL for Motoko development

Controller lockout:

• Warning system: CLI warns before removing self from controllers
• Confirmation prompt: Review carefully, type 'y' only if intentional
• Skip prompt: Use --force flag (dangerous, scripts only)
• Already locked out: Contact other controllers to restore access

Large WASM:

• Automatic chunking: Files >2MB upload automatically in chunks
• No action needed: CLI handles chunking transparently
• Optimize anyway: Use ic-wasm to reduce deployment cost

Network naming:

• --mainnet removed: Use -e ic or -n ic instead
• --ic removed: Use -e ic instead
• Environment "mainnet" renamed: Update icp.yaml to use "ic"

Navigation

This skill provides quick-start guidance. For detailed information:

• Recipe system, environment configuration, network configuration, YAML configuration, advanced canister settings, argument handling: See reference.md
• Practical workflow examples (recipe-based projects, multi-environment deployment, Docker networks, identity management, cycles management): See examples.md
• Security patterns, resource budgeting, platform-specific guidance, migration from dfx: See best-practices.md

Tool calls

Use tool calls to validate the latest CLI help and documentation.

CLI help (preferred when available locally):

{ "tool": "Shell", "command": "icp --help" }

{ "tool": "Shell", "command": "icp canister --help" }

{ "tool": "Shell", "command": "icp network --help" }

Docs pages (when the CLI isn't available or for citations):

Core documentation:

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/quickstart/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/tutorial/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/reference/cli/" }

Feature-specific guides:

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/guides/using-recipes/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/guides/creating-recipes/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/guides/managing-environments/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/guides/deploying-to-mainnet/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/guides/deploying-to-specific-subnets/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/guides/containerized-networks/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/guides/managing-identities/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/guides/tokens-and-cycles/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/guides/local-development/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/guides/installation/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/guides/creating-templates/" }

Concept documentation:

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/concepts/project-model/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/concepts/build-deploy-sync/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/concepts/environments/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/concepts/recipes/" }

Reference documentation:

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/reference/configuration/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/reference/canister-settings/" }

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/reference/environment-variables/" }

Migration:

{ "tool": "WebFetch", "url": "https://dfinity.github.io/icp-cli/0.1/migration/from-dfx/" }

Repo and releases:

{ "tool": "WebFetch", "url": "https://github.com/dfinity/icp-cli" }

{ "tool": "WebFetch", "url": "https://github.com/dfinity/icp-cli/releases" }

{ "tool": "WebFetch", "url": "https://github.com/dfinity/icp-cli-recipes" }

{ "tool": "WebFetch", "url": "https://forum.dfinity.org/t/icp-cli-announcements-and-feedback-discussion/60410" }

Responses

When replying to users:

• Provide the smallest set of commands to accomplish the task.
• Include flags only when necessary to meet the user's environment or identity needs.
• Offer a short "verify" step (e.g., icp network status, icp canister status).
• Cite official docs or the CLI help when explaining flags or behavior.
• Ask for missing details only when required: environment/network, canister name, method, and args.
• All recipe references MUST include a version (e.g., @dfinity/rust@v3.0.0).

Self-test prompts

Use these to sanity-check outputs:

• "Start a local network and deploy" → quick start workflow + verify step
• "Create project with Rust recipe" → icp new my-project + icp.yaml with @dfinity/rust@v3.0.0
• "Call a canister method but I don't know args" → omit args to trigger prompt
• "Deploy to staging" → use -e staging, avoid -n
• "Deploy to IC mainnet" → use -e ic (NOT --mainnet)
• "Check cycles and top up" → icp cycles balance -n ic + icp canister top-up --amount 2T <canister> -e ic
• "Set up Docker-based network" → Docker workflow in icp.yaml
• "Top up canister with 2 trillion cycles" → icp canister top-up --amount 2T <canister>
• "Get my ledger account ID" → icp identity account-id
• "View expanded project config" → icp project show
• "Transfer cycles to a canister" → icp cycles transfer 2T <canister-id> -n ic
• "Export my identity" → icp identity export my-identity > backup.pem
• "Link HSM identity" → icp identity link hsm my-hsm --pkcs11-module <path> --key-id 01
• "Switch default identity" → icp identity default my-identity (NOT icp identity use)

Examples

Create project with template and deploy locally

Commands:

# Create with template (interactive)
icp new my-project
cd my-project

# Or non-interactive with specific options
icp new my-project --subfolder hello-world \
  --define backend_type=rust \
  --define frontend_type=react \
  --define network_type=Default && cd my-project

# Start local network
icp network start -d
icp network status

# Deploy (builds automatically)
icp deploy

# Test
icp canister call backend greet '("World")'

# View expanded config (see what recipes generated)
icp project show

For Motoko: use --define backend_type=motoko (requires WSL on Windows).

Custom project with recipe-based icp.yaml

# icp.yaml
canisters:
  - name: backend
    recipe:
      type: "@dfinity/rust@v3.0.0"
      configuration:
        package: backend

icp network start -d
icp deploy
icp canister call backend greet '("World")'

Multi-environment deployment (local → staging → IC mainnet)

Commands:

# 1. Develop and test locally
icp network start -d
icp deploy
icp canister status backend

# 2. Deploy to staging environment
icp deploy -e staging
icp canister status backend -e staging

# 3. Promote to IC mainnet
# IMPORTANT: Use -e ic (not --mainnet)
icp deploy -e ic
icp canister status backend -e ic

Environment-specific settings configured in icp.yaml:

canisters:
  - name: backend
    recipe:
      type: "@dfinity/rust@v3.0.0"
      configuration:
        package: backend

environments:
  - name: staging
    network: ic
    canisters: [backend]
    settings:
      backend:
        compute_allocation: 20

  - name: production
    network: ic
    canisters: [backend]
    settings:
      backend:
        compute_allocation: 50
        memory_allocation: 4294967296

Check cycles and top up (with human-readable amounts)

Commands:

# Check cycles balance
icp cycles balance -n ic

# Top up with human-readable amounts
icp canister top-up --amount 2T backend -e ic     # 2 trillion
icp canister top-up --amount 500m backend -e ic   # 500 million

# Transfer cycles (positional args: amount, receiver)
icp cycles transfer 1.5T rrkah-fqaaa-aaaaa-aaaaq-cai -n ic

# Check canister cycles
icp canister status backend -e ic

Supported formats: 1k, 1.5m, 2b, 4T, 1_000_000.

Get account ID and transfer tokens

Commands:

# Get your ledger AccountIdentifier
icp identity account-id
# Output: d4685b31b51450508aff0331584df7692a84467b680326f5c5f7d30ae711682f

# Transfer ICP tokens (positional args: amount, receiver)
icp token transfer 10.5 d4685b31b51450508aff0331584df7692a84467b680326f5c5f7d30ae711682f -n ic

# Check token balance
icp token balance -n ic

# ICRC-1 token (e.g., ckBTC)
icp token mxzaz-hqaaa-aaaar-qaada-cai balance -n ic

Sources

Core documentation:

• ICP CLI Documentation: https://dfinity.github.io/icp-cli/0.1/
• Quickstart: https://dfinity.github.io/icp-cli/0.1/quickstart/
• Tutorial: https://dfinity.github.io/icp-cli/0.1/tutorial/
• CLI Reference: https://dfinity.github.io/icp-cli/0.1/reference/cli/
• Configuration Reference: https://dfinity.github.io/icp-cli/0.1/reference/configuration/
• Canister Settings: https://dfinity.github.io/icp-cli/0.1/reference/canister-settings/
• Environment Variables: https://dfinity.github.io/icp-cli/0.1/reference/environment-variables/

Feature-specific guides:

• Using Recipes: https://dfinity.github.io/icp-cli/0.1/guides/using-recipes/
• Creating Recipes: https://dfinity.github.io/icp-cli/0.1/guides/creating-recipes/
• Creating Templates: https://dfinity.github.io/icp-cli/0.1/guides/creating-templates/
• Managing Environments: https://dfinity.github.io/icp-cli/0.1/guides/managing-environments/
• Deploying to Mainnet: https://dfinity.github.io/icp-cli/0.1/guides/deploying-to-mainnet/
• Deploying to Specific Subnets: https://dfinity.github.io/icp-cli/0.1/guides/deploying-to-specific-subnets/
• Containerized Networks: https://dfinity.github.io/icp-cli/0.1/guides/containerized-networks/
• Managing Identities: https://dfinity.github.io/icp-cli/0.1/guides/managing-identities/
• Tokens and Cycles: https://dfinity.github.io/icp-cli/0.1/guides/tokens-and-cycles/
• Local Development: https://dfinity.github.io/icp-cli/0.1/guides/local-development/
• Installation: https://dfinity.github.io/icp-cli/0.1/guides/installation/

Concept documentation:

• Project Model: https://dfinity.github.io/icp-cli/0.1/concepts/project-model/
• Build, Deploy, Sync: https://dfinity.github.io/icp-cli/0.1/concepts/build-deploy-sync/
• Environments and Networks: https://dfinity.github.io/icp-cli/0.1/concepts/environments/
• Recipes: https://dfinity.github.io/icp-cli/0.1/concepts/recipes/

Migration:

• From dfx: https://dfinity.github.io/icp-cli/0.1/migration/from-dfx/

Repositories and releases:

• ICP CLI Repository: https://github.com/dfinity/icp-cli
• Releases: https://github.com/dfinity/icp-cli/releases
• Recipe Repository: https://github.com/dfinity/icp-cli-recipes
• Forum Announcement: https://forum.dfinity.org/t/icp-cli-announcements-and-feedback-discussion/60410