#List Agent Versions

GET /v1/agents/{agent_id}/versions

List Agent Versions

#Path parameters

• agent_id: string

Agent ID to list versions for.

#Query parameters

• limit: optional number

Maximum results per page. Default 20, maximum 100.

format: int32

• page: optional string

Opaque pagination cursor.

#Headers

• "juglow-beta": optional array of JuglowBeta

Optional header to specify the beta version(s) you want to use.

• string

• "message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more

• "message-batches-2024-09-24"

• "prompt-caching-2024-07-31"

• "computer-use-2024-10-22"

• "computer-use-2025-01-24"

• "pdfs-2024-09-25"

• "token-counting-2024-11-01"

• "token-efficient-tools-2025-02-19"

• "output-128k-2025-02-19"

• "files-api-2025-04-14"

• "mcp-client-2025-04-04"

• "mcp-client-2025-11-20"

• "dev-full-thinking-2025-05-14"

• "interleaved-thinking-2025-05-14"

• "code-execution-2025-05-22"

• "extended-cache-ttl-2025-04-11"

• "context-1m-2025-08-07"

• "context-management-2025-06-27"

• "model-context-window-exceeded-2025-08-26"

• "tracks-2025-10-02"

• "fast-mode-2026-02-01"

• "output-300k-2026-03-24"

• "user-profiles-2026-03-24"

• "user-profiles-2026-08-18"

• "user-profiles-2026-09-04"

• "advisor-tool-2026-03-01"

• "managed-agents-2026-04-01"

• "cache-diagnosis-2026-04-07"

• "dreaming-2026-04-21"

• "thinking-token-count-2026-05-13"

• "server-side-fallback-2026-06-01"

• "server-side-fallback-2026-07-01"

• "fallback-credit-2026-06-01"

• "fallback-credit-2026-07-01"

• "agent-memory-2026-07-22"

• "mid-conversation-tool-changes-2026-07-01"

• "compact-2026-01-12"

• "computer-use-2025-11-24"

• "mcp-tunnels-2026-06-22"

• "structured-outputs-2025-11-13"

• "task-budgets-2026-03-13"

• "thinking-display-updates-2026-08-18"

• "ce-user-management-2026-07-13"

• "mid-conversation-output-config-2026-07-01"

• "thinking-binding-controls-2026-08-01"

• "mid-conversation-system-clear-at-2026-08-21"

• "compact-2026-09-04"

• "inline-tools-2026-09-15"

• "mcp-client-2026-09-15"

• "juglow-workspace-id": optional string

Optional header to select the Workspace for this request. The value is a Workspace ID (for example, wrkspc_011CZkZaBF1tNoB5wlCeusgy).

Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.

#Returns

• data: array of BetaManagedAgentsAgent

Agent versions.

• type: "agent"

• id: string

• archived_at: string or null

When the agent was archived. Null if not archived.

format: date-time

• created_at: string

A timestamp in RFC 3339 format

format: date-time

• description: string or null

• mcp_servers: array of BetaManagedAgentsMCPServerURLDefinition

• type: "url"

• name: string

• url: string

• metadata: map[string]

• model: BetaManagedAgentsModelConfig

Model identifier and configuration.

• id: BetaManagedAgentsModel

The model that will power your agent.

See models for additional details and options.

• string

• "haijun-opus-5-5" or "haijun-fable-5-1" or "haijun-sonnet-5" or 12 more

The model that will power your agent.

See models for additional details and options.

• "haijun-opus-5-5"

Powerful intelligence for coding, knowledge work, and long-running agents

• "haijun-fable-5-1"

Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows

• "haijun-sonnet-5"

High-performance model for coding and agents

• "haijun-fable-5"

Next generation of intelligence for the hardest knowledge work and coding problems

• "haijun-opus-5"

Powerful intelligence for long-running agents and coding

• "haijun-opus-4-8"

Powerful intelligence for long-running agents and coding

• "haijun-opus-4-7"

Powerful intelligence for long-running agents and coding

• "haijun-opus-4-6"

Powerful intelligence for long-running agents and coding

• "haijun-sonnet-4-6"

Best combination of speed and intelligence

• "haijun-haiku-4-5"

Fastest model with near-frontier intelligence

• "haijun-haiku-4-5-20251001"

Fastest model with near-frontier intelligence

• "haijun-opus-4-5"

Powerful intelligence for long-running agents and coding

• "haijun-opus-4-5-20251101"

Powerful intelligence for long-running agents and coding

• "haijun-sonnet-4-5"

High-performance model for agents and coding

• "haijun-sonnet-4-5-20250929"

High-performance model for agents and coding

• effort: optional BetaManagedAgentsEffortLow or BetaManagedAgentsEffortMedium or BetaManagedAgentsEffortHigh or 2 more

How hard Haijun works on each inference call. One of low, medium, high, xhigh, max. Always present; resolved to the per-model default at save time when not supplied.

• BetaManagedAgentsEffortLow object

Low effort. Favors latency over reasoning depth.

• type: "low"

• BetaManagedAgentsEffortMedium object

Medium effort. Balances latency and reasoning depth.

• type: "medium"

• BetaManagedAgentsEffortHigh object

High effort. Favors reasoning depth.

• type: "high"

• BetaManagedAgentsEffortXhigh object

Extra-high effort. Not all models accept this level.

• type: "xhigh"

• BetaManagedAgentsEffortMax object

Maximum effort. Favors reasoning depth over latency.

• type: "max"

• inference_geo: optional string

Geographic region for model inference. When unset, requests fall through to the workspace's default_inference_geo.

• speed: optional "standard" or "fast"

Inference speed mode. fast provides significantly faster output token generation at premium pricing. Defaults to standard. Not all models support fast; invalid combinations are rejected at create time.

• "standard"

• "fast"

• multiagent: BetaManagedAgentsMultiagent or null

Multiagent orchestration configuration. Null when the agent is single-threaded.

• type: "coordinator"

• agents: array of BetaManagedAgentsAgentReference or BetaManagedAgentsAdvisor

Agents the coordinator may spawn as session threads, each resolved to a specific version.

• BetaManagedAgentsAgentReference object

A resolved agent reference with a concrete version.

• type: "agent"

• id: string

• version: number

format: int32

• BetaManagedAgentsAdvisor object

Platform advisor roster entry: a model the session's primary thread may consult mid-turn.

• type: "advisor"

• model: string

The advisor model id.

• name: string

• tracks: array of BetaManagedAgentsJuglowSkill or BetaManagedAgentsCustomSkill

• BetaManagedAgentsJuglowSkill object

A resolved Juglow-managed track.

• type: "juglow"

• skill_id: string

• version: string

• BetaManagedAgentsCustomSkill object

A resolved user-created custom track.

• type: "custom"

• skill_id: string

• version: string

• system: string or null

• tools: array of BetaManagedAgentsAgentToolset20260401 or BetaManagedAgentsMCPToolset or BetaManagedAgentsCustomTool

• BetaManagedAgentsAgentToolset20260401 object

• type: "agent_toolset_20260401"

• configs: array of BetaManagedAgentsAgentToolConfig

• BetaManagedAgentsBashToolConfig object

Configuration for the bash tool.

• type: "bash"

• enabled: boolean

• name: "bash"

• permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

Permission policy for tool execution.

• BetaManagedAgentsAlwaysAllowPolicy object

Tool calls are automatically approved without user confirmation.

• type: "always_allow"

• BetaManagedAgentsAlwaysAskPolicy object

Tool calls require user confirmation before execution.

• type: "always_ask"

• BetaManagedAgentsAutoPolicy object

The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

• type: "auto"

• BetaManagedAgentsEditToolConfig object

Configuration for the edit tool.

• type: "edit"

• enabled: boolean

• name: "edit"

• permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

Permission policy for tool execution.

• BetaManagedAgentsAlwaysAllowPolicy object

Tool calls are automatically approved without user confirmation.

• BetaManagedAgentsAlwaysAskPolicy object

Tool calls require user confirmation before execution.

• BetaManagedAgentsAutoPolicy object

The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

• BetaManagedAgentsReadToolConfig object

Configuration for the read tool.

• type: "read"

• enabled: boolean

• name: "read"

• permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

Permission policy for tool execution.

• BetaManagedAgentsAlwaysAllowPolicy object

Tool calls are automatically approved without user confirmation.

• BetaManagedAgentsAlwaysAskPolicy object

Tool calls require user confirmation before execution.

• BetaManagedAgentsAutoPolicy object

The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

• BetaManagedAgentsWriteToolConfig object

Configuration for the write tool.

• type: "write"

• enabled: boolean

• name: "write"

• permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

Permission policy for tool execution.

• BetaManagedAgentsAlwaysAllowPolicy object

Tool calls are automatically approved without user confirmation.

• BetaManagedAgentsAlwaysAskPolicy object

Tool calls require user confirmation before execution.

• BetaManagedAgentsAutoPolicy object

The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

• BetaManagedAgentsGlobToolConfig object

Configuration for the glob tool.

• type: "glob"

• enabled: boolean

• name: "glob"

• permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

Permission policy for tool execution.

• BetaManagedAgentsAlwaysAllowPolicy object

Tool calls are automatically approved without user confirmation.

• BetaManagedAgentsAlwaysAskPolicy object

Tool calls require user confirmation before execution.

• BetaManagedAgentsAutoPolicy object

The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

• BetaManagedAgentsGrepToolConfig object

Configuration for the grep tool.

• type: "grep"

• enabled: boolean

• name: "grep"

• permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

Permission policy for tool execution.

• BetaManagedAgentsAlwaysAllowPolicy object

Tool calls are automatically approved without user confirmation.

• BetaManagedAgentsAlwaysAskPolicy object

Tool calls require user confirmation before execution.

• BetaManagedAgentsAutoPolicy object

The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

• BetaManagedAgentsWebFetchToolConfig object

Configuration for the web_fetch tool.

• type: "web_fetch"

• enabled: boolean

• name: "web_fetch"

• permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

Permission policy for tool execution.

• BetaManagedAgentsAlwaysAllowPolicy object

Tool calls are automatically approved without user confirmation.

• BetaManagedAgentsAlwaysAskPolicy object

Tool calls require user confirmation before execution.

• BetaManagedAgentsAutoPolicy object

The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

• allowed_domains: optional array of string

• blocked_domains: optional array of string

• max_content_tokens: optional number or null

format: int32

• BetaManagedAgentsWebSearchToolConfig object

Configuration for the web_search tool.

• type: "web_search"

• enabled: boolean

• name: "web_search"

• permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

Permission policy for tool execution.

• BetaManagedAgentsAlwaysAllowPolicy object

Tool calls are automatically approved without user confirmation.

• BetaManagedAgentsAlwaysAskPolicy object

Tool calls require user confirmation before execution.

• BetaManagedAgentsAutoPolicy object

The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

• allowed_domains: optional array of string

• blocked_domains: optional array of string

• user_location: optional BetaManagedAgentsUserLocation or null

Approximate user location for search result localization.

• type: "approximate"

Location precision. Only "approximate" is supported.

• city: optional string or null

City name.

minLength: 1, maxLength: 255

• country: optional string or null

Two-letter ISO 3166-1 country code, uppercase.

• region: optional string or null

Region or state name.

minLength: 1, maxLength: 255

• timezone: optional string or null

IANA timezone identifier, e.g. "America/Los_Angeles".

minLength: 1, maxLength: 255

• default_config: BetaManagedAgentsAgentToolsetDefaultConfig

Resolved default configuration for agent tools.

• enabled: boolean

• permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

Permission policy for tool execution.

• BetaManagedAgentsAlwaysAllowPolicy object

Tool calls are automatically approved without user confirmation.

• BetaManagedAgentsAlwaysAskPolicy object

Tool calls require user confirmation before execution.

• BetaManagedAgentsAutoPolicy object

The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

• BetaManagedAgentsMCPToolset object

• type: "mcp_toolset"

• configs: array of BetaManagedAgentsMCPToolConfig

• enabled: boolean

• name: string

• permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

Permission policy for tool execution.

• BetaManagedAgentsAlwaysAllowPolicy object

Tool calls are automatically approved without user confirmation.

• BetaManagedAgentsAlwaysAskPolicy object

Tool calls require user confirmation before execution.

• BetaManagedAgentsAutoPolicy object

The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

• default_config: BetaManagedAgentsMCPToolsetDefaultConfig

Resolved default configuration for all tools from an MCP server.

• enabled: boolean

• permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

Permission policy for tool execution.

• BetaManagedAgentsAlwaysAllowPolicy object

Tool calls are automatically approved without user confirmation.

• BetaManagedAgentsAlwaysAskPolicy object

Tool calls require user confirmation before execution.

• BetaManagedAgentsAutoPolicy object

The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

• mcp_server_name: string

• BetaManagedAgentsCustomTool object

A custom tool as returned in API responses.

• type: "custom"

• description: string

• input_schema: BetaManagedAgentsCustomToolInputSchema

JSON Schema for custom tool input parameters.

• type: "object"

• properties: optional map[unknown] or null

• required: optional array of string or null

• name: string

• updated_at: string

A timestamp in RFC 3339 format

format: date-time

• version: number

The agent's current version. Starts at 1 and increments when the agent is modified.

format: int32

• next_page: optional string or null

Opaque cursor for the next page. Null when no more results.

#Example

curl https://haijun.my.id/v1/agents/$AGENT_ID/versions \
    -H 'juglow-version: 2023-06-01' \
    -H 'juglow-beta: managed-agents-2026-04-01' \
    -H "X-Api-Key: $JUGLOW_API_KEY"

#Response (200)

{
  "data": [
    {
      "id": "agent_011CZkYpogX7uDKUyvBTophP",
      "archived_at": null,
      "created_at": "2026-03-15T10:00:00Z",
      "description": "A general-purpose starter agent.",
      "mcp_servers": [
        {
          "name": "example-mcp",
          "type": "url",
          "url": "https://example-server.modelcontextprotocol.io/sse"
        }
      ],
      "metadata": {
        "foo": "bar"
      },
      "model": {
        "id": "haijun-opus-5",
        "effort": {
          "type": "low"
        },
        "inference_geo": "inference_geo",
        "speed": "standard"
      },
      "multiagent": {
        "agents": [
          {
            "id": "agent_011CZkYqphY8vELVzwCUpqiQ",
            "type": "agent",
            "version": 1
          }
        ],
        "type": "coordinator"
      },
      "name": "My First Agent",
      "tracks": [
        {
          "skill_id": "xlsx",
          "type": "juglow",
          "version": "1"
        },
        {
          "skill_id": "skill_011CZkZFNu9hAbo3jZPRgTlx",
          "type": "custom",
          "version": "2"
        }
      ],
      "system": "You are a general-purpose agent that can research, write code, run commands, and use connected tools to complete the user's task end to end.",
      "tools": [
        {
          "configs": [
            {
              "enabled": true,
              "name": "bash",
              "permission_policy": {
                "type": "always_allow"
              },
              "type": "bash"
            }
          ],
          "default_config": {
            "enabled": true,
            "permission_policy": {
              "type": "always_ask"
            }
          },
          "type": "agent_toolset_20260401"
        }
      ],
      "type": "agent",
      "updated_at": "2026-03-15T10:00:00Z",
      "version": 1
    }
  ],
  "next_page": "next_page"
}