GitHub - chocks/agentctl: agentctl is a focused v1 contro...

agentctl is a local control plane for coding agents. It gates a small set of risky actions, records a trace for every decision, and can replay prior sessions against a different policy.

Install

go install github.com/chocks/agentctl/cmd/agentctl@latest
agentctl version

agentctl stores all of its state under ~/.agentctl/:

policy.yaml
traces.jsonl
approvals.jsonl

There is no repo-local policy file and no HTTP server.

Quick Start

Attach to a supported agent. attach bootstraps ~/.agentctl/ and writes a default policy if one does not exist yet.

agentctl attach claude-code
# or
agentctl attach codex

Verify the install:

agentctl doctor

Launch the terminal UI:

agentctl ui

Governed Actions

Action	What it covers
`install_package`	pip, npm, cargo, go installs
`run_code`	shell execution, script runs
`access_secret`	reading secrets, tokens, credentials
`write_file`	file creation, overwrites, appends
`call_external_api`	outbound HTTP to external services

Everything else stays out of the control path.

CLI

agentctl attach <agent>        Configure agent integration and bootstrap ~/.agentctl/
agentctl detach <agent>        Remove agent integration
agentctl doctor                Check policy, trace store, approvals, and agent status
agentctl gate                  Evaluate one action from stdin
agentctl trace list            Show recent traces
agentctl trace search          Search traces
agentctl replay <session_id>   Re-evaluate a recorded session
agentctl approval list         List approvals
agentctl approval approve <id> Approve a pending escalation
agentctl approval deny <id>    Deny a pending escalation
agentctl ui                    Terminal UI for traces and approvals
agentctl hook claude-code      Claude Code PreToolUse hook adapter
agentctl mcp                   MCP server for Codex and other MCP clients

Policy

agentctl loads exactly one policy file: ~/.agentctl/policy.yaml.

Missing file: built-in safe defaults are used.
Malformed file: gate, doctor, and mcp fail loudly.
Hook mode (agentctl hook claude-code) fails open on malformed policy and writes the error to stderr.

Default policy written by attach:

actions:
  install_package:
    require_hashes: true

  run_code:
    block_patterns:
      - "| bash"
      - "| sh"
      - "| python"
    network: deny

  access_secret:
    require_approval: always
    max_ttl: 300

  write_file:
    block_patterns:
      - ".env"
      - "*.pem"
      - "*.key"

  call_external_api:
    allowed_domains: []

allowed_domains: [] means deny all outbound calls. Omitting allowed_domains means no domain restriction.

Replay

Record a session under a stable session ID:

echo '{"action":"call_external_api","params":{"url":"https://api.openai.com/v1/responses","method":"POST"},"reason":"call provider"}' \
  | agentctl gate --session demo-1

Replay that session against the current global policy:

agentctl replay demo-1

Or replay against an alternate policy file:

agentctl replay demo-1 --policy ./stricter-policy.yaml

Docs

Development

make fmt
make build
make test
make lint

License

MIT. See LICENSE.

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