managing-mcp-index

Agent Building

Builds and maintains templates/index.mcp.json for Comfy Cloud MCP tools. Covers deterministic sync from index.json, AI-generated English descriptions, model registry profiles, template cache, recommend/freshness overrides, and API node scanning. Use when asked to: sync MCP index, index.mcp.json, mcp sync, enhance MCP descriptions, AI template descriptions for MCP, models_registry, template_cache, recommend override, freshness, MCP pipeline, run mcp, mcp:ai, update MCP metadata, regenerate MCP copy, Use Cases MCP descriptions. NOT for site SEO (site/generate-ai) or hub i18n (sync:i18n / managing-translations). Triggers on: mcp index, index.mcp, mcp sync, template cache, models registry, mcp ai, recommend, MCP description.

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Managing MCP Index

What This Is

templates/index.mcp.json is a machine-oriented template index for Comfy Cloud MCP tools. It is separate from:

System	File(s)	Purpose
MCP index (this skill)	`index.mcp.json`	English metadata for AI tool routing: `description`, `io`, `capabilities`, `recommend`
Hub manifest	`index.json` + `index.{locale}.json`	Human UI + 11-language titles/descriptions → skill: `managing-translations`
Site SEO	`site/` AI pipeline	Long-form page copy → skill: `regenerating-ai-content`

MCP descriptions are English only. There is no MCP translation step. Multi-language hub copy uses npm run i18n (sync_data.py), not the MCP pipeline.

Quick Commands (npm)

npm run mcp          # Step 1: sync index.json → index.mcp.json
npm run mcp:check    # Dry-run sync (no write)
npm run mcp:ai       # Step 2b: AI English descriptions (stale templates only)
npm run mcp:models   # Step 2a: AI model profiles in models_registry.json
npm run i18n         # Hub translations (NOT MCP — separate system)

Prerequisites for AI steps: copy .env.example → .env, set AI_API_KEY, AI_BASE_URL, AI_MODEL. Optional: COMFYUI_REPO_PATH for API node dropdown scanning during npm run mcp.

Advanced flags (run Python directly): see scripts/mcp/docs/MCP_AI_ENHANCEMENT.md.

Pipeline Overview

templates/index.json
        │
        ▼  npm run mcp  (sync_index.py)
templates/index.mcp.json  ◄── merge description/io from template_cache (hash match)
        │
        ├── npm run mcp:models  → scripts/data/mcp/models_registry.json
        └── npm run mcp:ai      → scripts/data/mcp/template_cache.json → merge back to index.mcp.json

Step	Script	Writes
1 Sync	`scripts/mcp/sync_index.py`	`index.mcp.json`, refreshes `api_node_model_options.json`
2a Models	`scripts/mcp/enhance_models_registry.py`	`models_registry.json`
2b Templates	`scripts/mcp/enhance_descriptions.py`	`template_cache.json` + merge → `index.mcp.json`

Run 2a before 2b when both are needed. Run sync before AI after adding templates to index.json.

Data Files (`scripts/data/mcp/`)

File	Role
`models_registry.json`	Model profiles: `summary`, `strengths`, `capabilities` (AI context for descriptions)
`template_cache.json`	Per-template `description` + `io`, versioned by `source_hash` (SHA-256 of `templates/{name}.json`)
`template_overrides.json`	Manual `recommend` / `freshness` pins (survives sync)
`api_node_model_options.json`	Scanned ComfyUI API node model dropdowns

Do not mix layers: model copy goes in models_registry.json, template copy in template_cache.json.

Template Cache Versioning

Each cache entry has source_hash = hash of workflow JSON.
Hash match → sync merges cached description / io into index.mcp.json.
Hash mismatch or missing entry → npm run mcp:ai targets that template.
enhance_descriptions.py only updates description; it preserves existing io from cache or MCP entry.

Fields: Who Owns What

Field	Set by	Notes
`name`, `title`, `task`, `model`, `usage`	Sync from `index.json`
`capabilities`, `io` (default)	Sync	`workflow` from tags; `model_options` when single API model node
`freshness`	Sync from `date`	Override via `template_overrides.json`
`recommend`	Sync from `usage` tiers	Override via `template_overrides.json`
`description`, `io` (polished)	`template_cache.json`	AI or manual; hash-gated
`description` (AI only)	`enhance_descriptions.py`	English; references `models_registry.json`

`recommend` tiers (from `usage`)

Usage	Label
≥ 2500	`highly_recommended`
≥ 1000	`top`
≥ 500	`high`
≥ 200	`medium`
≥ 50	`low`
< 50	`not_recommended`

Use Cases category floor: never below low (no not_recommended).

Manual override example (template_overrides.json):

{
  "schema_version": 1,
  "templates": {
    "image_krea2_turbo_t2i": { "recommend": "high" }
  }
}

Common Workflows

After adding or editing templates in `index.json`

npm run mcp:check    # preview added/removed
npm run mcp
npm run mcp:ai       # only if --check shows stale templates (or workflow JSON changed)

After editing a workflow JSON (`templates/foo.json`)

Hash changes → run npm run mcp:ai for that template (or all stale). Optionally:

python3 scripts/mcp/enhance_descriptions.py --template foo

Pin recommend / freshness for a template

Edit scripts/data/mcp/template_overrides.json, then npm run mcp.

Regenerate all MCP descriptions (expensive)

python3 scripts/mcp/enhance_descriptions.py --all

One-time: seed cache from existing MCP copy

python3 scripts/mcp/import_template_cache.py

Sync Exclusions

Categories skipped: Node Basics, LLM, Getting Started
Local-only templates: includeOnDistributions: ["local"] only — not in MCP index
Multi API model nodes: model_options omitted (logged to scripts/.output/sync_index.log)

What NOT To Do

Do not put model profiles in template_cache.json.
Do not expect npm run i18n to update index.mcp.json.
Do not hand-edit index.mcp.json description without updating template_cache.json — next sync overwrites unless cache hash matches.
Do not run enhance_descriptions.py before enhance_models_registry.py when model context is missing for new models.

After Changes

npm run mcp — refresh structured fields and merge cache.
npm run mcp:ai / npm run mcp:models — if AI copy needed.
Commit index.mcp.json and relevant scripts/data/mcp/*.json files.
Bump pyproject.toml version if template assets changed (repo convention).

Reference Docs

Full spec: scripts/mcp/docs/MCP_AI_ENHANCEMENT.md
Script layout: scripts/mcp/README.md
Data files: scripts/data/mcp/README.md