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chore: import upstream snapshot with attribution
2026-07-13 13:02:24 +08:00

60 lines
2.0 KiB
Python

"""Progressive-disclosure primitive: return a skill's procedure body by name.
The AgenticRetriever loads only Skill descriptions into the system prompt; the
full procedure is retrieved by the LLM calling this tool when it decides a
skill is relevant. Active skills for the current turn live in a ContextVar so
the handler does not need another graph round-trip.
"""
from typing import Any, Dict
from cognee.modules.engine.models import Tool
from cognee.modules.tools.context import active_skills_var, opened_skills_var
from cognee.modules.tools.errors import ToolInvocationError
from cognee.modules.tools.registry import register_builtin_tool
MAX_SKILL_BODY_CHARS = 12_000
TOOL = Tool(
name="load_skill",
description=(
"Load the full procedure body of a named skill. Use this when the skill "
"description suggests the skill applies to the current task."
),
input_schema={
"type": "object",
"properties": {"name": {"type": "string", "description": "Name of the skill to load."}},
"required": ["name"],
},
handler_ref="cognee.modules.tools.builtin.load_skill.handler",
permission_required="read",
readonly_hint=True,
)
async def handler(args: Dict[str, Any], **_) -> str:
name = args.get("name")
if not name:
raise ToolInvocationError("load_skill requires a 'name' argument")
skills = active_skills_var.get()
skill = skills.get(name)
if skill is None:
available = ", ".join(sorted(skills)) or "(none in scope)"
raise ToolInvocationError(
f"Skill {name!r} is not in the active skill set. Available: {available}"
)
opened = opened_skills_var.get()
if opened is not None:
opened.add(skill.name)
body = skill.procedure or "(this skill has no procedure body)"
if len(body) > MAX_SKILL_BODY_CHARS:
body = body[:MAX_SKILL_BODY_CHARS] + "\n... [truncated]"
return f"# Skill: {skill.name}\n{body}"
register_builtin_tool(TOOL)