agent-client-protocol-schema 0.11.5

A protocol for standardizing communication between code editors and AI coding agents
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142

//! Execution plans for complex tasks that require multiple steps.
//!
//! Plans are strategies that agents share with clients through session updates,
//! providing real-time visibility into their thinking and progress.
//!
//! See: [Agent Plan](https://agentclientprotocol.com/protocol/agent-plan)

use schemars::JsonSchema;
use serde::{Deserialize, Serialize};

use crate::{IntoOption, Meta};

/// An execution plan for accomplishing complex tasks.
///
/// Plans consist of multiple entries representing individual tasks or goals.
/// Agents report plans to clients to provide visibility into their execution strategy.
/// Plans can evolve during execution as the agent discovers new requirements or completes tasks.
///
/// See protocol docs: [Agent Plan](https://agentclientprotocol.com/protocol/agent-plan)
#[derive(Debug, Clone, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
#[serde(rename_all = "camelCase")]
#[non_exhaustive]
pub struct Plan {
    /// The list of tasks to be accomplished.
    ///
    /// When updating a plan, the agent must send a complete list of all entries
    /// with their current status. The client replaces the entire plan with each update.
    pub entries: Vec<PlanEntry>,
    /// The _meta property is reserved by ACP to allow clients and agents to attach additional
    /// metadata to their interactions. Implementations MUST NOT make assumptions about values at
    /// these keys.
    ///
    /// See protocol docs: [Extensibility](https://agentclientprotocol.com/protocol/extensibility)
    #[serde(skip_serializing_if = "Option::is_none", rename = "_meta")]
    pub meta: Option<Meta>,
}

impl Plan {
    #[must_use]
    pub fn new(entries: Vec<PlanEntry>) -> Self {
        Self {
            entries,
            meta: None,
        }
    }

    /// The _meta property is reserved by ACP to allow clients and agents to attach additional
    /// metadata to their interactions. Implementations MUST NOT make assumptions about values at
    /// these keys.
    ///
    /// See protocol docs: [Extensibility](https://agentclientprotocol.com/protocol/extensibility)
    #[must_use]
    pub fn meta(mut self, meta: impl IntoOption<Meta>) -> Self {
        self.meta = meta.into_option();
        self
    }
}

/// A single entry in the execution plan.
///
/// Represents a task or goal that the assistant intends to accomplish
/// as part of fulfilling the user's request.
/// See protocol docs: [Plan Entries](https://agentclientprotocol.com/protocol/agent-plan#plan-entries)
#[derive(Debug, Clone, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
#[serde(rename_all = "camelCase")]
#[non_exhaustive]
pub struct PlanEntry {
    /// Human-readable description of what this task aims to accomplish.
    pub content: String,
    /// The relative importance of this task.
    /// Used to indicate which tasks are most critical to the overall goal.
    pub priority: PlanEntryPriority,
    /// Current execution status of this task.
    pub status: PlanEntryStatus,
    /// The _meta property is reserved by ACP to allow clients and agents to attach additional
    /// metadata to their interactions. Implementations MUST NOT make assumptions about values at
    /// these keys.
    ///
    /// See protocol docs: [Extensibility](https://agentclientprotocol.com/protocol/extensibility)
    #[serde(skip_serializing_if = "Option::is_none", rename = "_meta")]
    pub meta: Option<Meta>,
}

impl PlanEntry {
    #[must_use]
    pub fn new(
        content: impl Into<String>,
        priority: PlanEntryPriority,
        status: PlanEntryStatus,
    ) -> Self {
        Self {
            content: content.into(),
            priority,
            status,
            meta: None,
        }
    }

    /// The _meta property is reserved by ACP to allow clients and agents to attach additional
    /// metadata to their interactions. Implementations MUST NOT make assumptions about values at
    /// these keys.
    ///
    /// See protocol docs: [Extensibility](https://agentclientprotocol.com/protocol/extensibility)
    #[must_use]
    pub fn meta(mut self, meta: impl IntoOption<Meta>) -> Self {
        self.meta = meta.into_option();
        self
    }
}

/// Priority levels for plan entries.
///
/// Used to indicate the relative importance or urgency of different
/// tasks in the execution plan.
/// See protocol docs: [Plan Entries](https://agentclientprotocol.com/protocol/agent-plan#plan-entries)
#[derive(Deserialize, Serialize, JsonSchema, Debug, Clone, PartialEq, Eq)]
#[serde(rename_all = "snake_case")]
#[non_exhaustive]
pub enum PlanEntryPriority {
    /// High priority task - critical to the overall goal.
    High,
    /// Medium priority task - important but not critical.
    Medium,
    /// Low priority task - nice to have but not essential.
    Low,
}

/// Status of a plan entry in the execution flow.
///
/// Tracks the lifecycle of each task from planning through completion.
/// See protocol docs: [Plan Entries](https://agentclientprotocol.com/protocol/agent-plan#plan-entries)
#[derive(Deserialize, Serialize, JsonSchema, Debug, Clone, PartialEq, Eq)]
#[serde(rename_all = "snake_case")]
#[non_exhaustive]
pub enum PlanEntryStatus {
    /// The task has not started yet.
    Pending,
    /// The task is currently being worked on.
    InProgress,
    /// The task has been successfully completed.
    Completed,
}