Files
prompts/src/personal_mcp/catalog/server.py
T

126 lines
4.0 KiB
Python

from __future__ import annotations
from typing import Any
from personal_mcp.registry.models.registry import DocsRegistry
from personal_mcp.registry.models.registry import PromptRecord
from personal_mcp.registry.models.registry import PromptSummaryPayload
DEFAULT_LIMIT = 20
MAX_LIMIT = 100
def _prompt_matches(
prompt: PromptRecord,
*,
query: str | None,
tag: str | None,
) -> bool:
if query:
lowered = query.strip().lower()
if lowered:
haystack = " ".join(
[
prompt.prompt_id,
prompt.name,
prompt.description,
" ".join(prompt.tags),
" ".join(sorted(prompt.arguments)),
]
).lower()
terms = [term for term in lowered.replace("-", " ").split() if term]
if any(term not in haystack for term in terms):
return False
return not (tag and tag not in prompt.tags)
def build_prompts_index_payload(
registry: DocsRegistry,
*,
query: str | None = None,
tag: str | None = None,
cursor: str | None = None,
limit: int | None = None,
) -> dict[str, Any]:
normalized_limit = DEFAULT_LIMIT if limit is None else max(1, min(limit, MAX_LIMIT))
try:
start = 0 if cursor is None else max(0, int(cursor))
except ValueError as exc:
raise ValueError("cursor must be an integer string") from exc
ordered = [registry.prompts_by_id[prompt_id] for prompt_id in registry.prompts_in_load_order]
matches = [prompt for prompt in ordered if _prompt_matches(prompt, query=query, tag=tag)]
page = matches[start : start + normalized_limit]
next_cursor = start + normalized_limit
return {
"prompts": [PromptSummaryPayload.from_record(prompt).model_dump() for prompt in page],
"total": len(matches),
"cursor": str(start),
"limit": normalized_limit,
"next_cursor": str(next_cursor) if next_cursor < len(matches) else None,
}
def build_prompt_detail_payload(registry: DocsRegistry, prompt_id: str) -> dict[str, Any]:
if prompt_id not in registry.prompts_by_id:
raise KeyError(prompt_id)
prompt = registry.prompts_by_id[prompt_id]
return {
"id": prompt.prompt_id,
"name": prompt.name,
"description": prompt.description,
"version": prompt.version,
"tags": list(prompt.tags),
"capabilities": list(prompt.capabilities),
"resources": {
"document": prompt.document_uri,
},
"arguments": {
arg_name: arg.model_dump(exclude_none=True) for arg_name, arg in sorted(prompt.arguments.items())
},
}
def search_prompts_payload(
registry: DocsRegistry,
*,
query: str = "",
tags: list[str] | None = None,
skip: int = 0,
limit: int = DEFAULT_LIMIT,
) -> dict[str, Any]:
normalized_skip = max(skip, 0)
normalized_limit = max(1, min(limit, MAX_LIMIT))
requested_tags = [tag.strip() for tag in (tags or []) if tag and tag.strip()]
matches: list[PromptRecord] = []
for prompt_id in registry.prompts_in_load_order:
prompt = registry.prompts_by_id[prompt_id]
if not _prompt_matches(prompt, query=query, tag=None):
continue
if requested_tags and any(tag not in prompt.tags for tag in requested_tags):
continue
matches.append(prompt)
page = matches[normalized_skip : normalized_skip + normalized_limit]
return {
"prompts": [PromptSummaryPayload.from_record(prompt).model_dump() for prompt in page],
"total": len(matches),
"skip": normalized_skip,
"limit": normalized_limit,
}
def get_prompt_by_id_payload(registry: DocsRegistry, prompt_id: str) -> dict[str, Any]:
if prompt_id not in registry.prompts_by_id:
return {"found": False, "id": prompt_id}
return {
"found": True,
"prompt": build_prompt_detail_payload(registry, prompt_id),
}