oriz.in / knowledge
type: decision
status: active
timestamp: 2026-07-02
tags: [mcp, tools, allowlist, agent-tooling]

MCP toolbox allowlist + audit 2026-07-02

Blessed MCP server allowlist grouped by purpose plus audit notes flagging duplicates, health-check candidates, and removal candidates.

MCP toolbox allowlist + audit — 2026-07-02

Two docs. First = blessed set. Second = audit reasoning behind cuts / holds.

1. BLESSED ALLOWLIST

Up to 15 servers. Grouped by purpose. Each row = server name, why blessed, primary tool to call.

ServerWhy blessedPrimary tool
searxngMeta-engine via baresearch.org. Self-hostable fallback. No API key. Broad coverage.mcp__searxng__searxng_web_search
open-websearchMulti-engine (DuckDuckGo, Bing, Baidu, Brave, etc.). No API key. Redundancy layer when SearXNG instance flakes.mcp__open-websearch__search
one-search-mcpAggregated search + scrape + map in one server. SEARCH_PROVIDER=local = no external key. Covers URL discovery + scraping gaps other search servers miss.mcp__one-search-mcp__one_search

Code / IDE

ServerWhy blessedPrimary tool
serenaSemantic code retrieval across umbrella. Wired to --project .. Language-server-backed symbol search — beats grep for cross-file refs.(Serena IDE tools; project-scoped symbol lookup)
codebase-memoryLocal knowledge graph. Complexity/loop-depth queries, call-graph tracing, Cypher over the code. No cloud calls.mcp__codebase-memory__search_graph

Docs

ServerWhy blessedPrimary tool
chirag127 (Smithery toolbox)Aggregates Context7 + Ref + other doc servers behind one endpoint. Single MCP entry, N doc backends. Reduces .mcp.json bloat.mcp__chirag127__upstash-context7-mcp_query-docs and mcp__chirag127__ref-tools-ref-tools-mcp_ref_search_documentation

Fetch

ServerWhy blessedPrimary tool
fetchuvx mcp-server-fetch. Zero-config URL → markdown. First reach for any single-URL read.mcp__fetch__fetch
mcp-crawlWorkspace-local crawler (BFS same-origin). No external service. For multi-page site pulls where fetch needs looping.mcp__mcp-crawl__crawl

Memory / knowledge

ServerWhy blessedPrimary tool
codebase-memoryAlready listed under Code. Dual-purpose: also holds ADRs via manage_adr. No separate memory server needed.mcp__codebase-memory__manage_adr

Other

ServerWhy blessedPrimary tool
resendTransactional email for oriz mail flows ([email protected]). API key gated. Only email MCP in inventory.mcp__resend__send-email
morph-mcpUser-global. Fast semantic file edits (edit_file) + GitHub codebase search over external repos without cloning. Complements Edit tool for large-file / multi-edit cases.mcp__morph-mcp__edit_file

Blessed count: 10. Under the 15 cap. Room to add if a gap surfaces.

2. MCP AUDIT NOTES

Suggestions with reasoning. Not auto-removals — grill-me before deleting anything from .mcp.json.

(a) Obvious duplicates — collapse web search

Four web-search servers in inventory: searxng, open-websearch, one-search-mcp, plus the many search backends inside chirag127 (axel-belfort, keenable, linkup, oevortex-ddg, parallel-search, tetiai-pixserp).

Recommended shape: keep 3 top-level + Smithery aggregator.

ServerVerdictReason
searxngKEEPPrimary. Meta-engine + self-hostable path.
open-websearchKEEPBackup when SearXNG instance returns JSON-parse errors (see .agents/claude/rules/never-use-native-web-tools.md).
one-search-mcpKEEP (probation)Covers scrape+map. If overlap with mcp-crawl + fetch proves total after 30 days, drop.
chirag127 search backendsKEEP but treat as tertiaryOnly reach when top-3 fail. Aggregator saves per-server config cost.

Duplicates inside chirag127 (axel-belfort + keenable + parallel-search + tetiai-pixserp all do web search) → not our maintenance burden; Smithery owns the aggregation. Leave alone.

(b) Health check before promotion

These are in .mcp.json but need a live probe before locking as blessed:

ServerWhat to verifySuggested test
mcp-crawlLocal script at ./scripts/crawl-mcp/server.js — script exists and returns markdownRun against https://oriz.in/ seed, cap 5 pages
screenpipeRequires SCREENPIPE_API_KEY + local Screenpipe agent installedConfirm agent process running + key valid; if either missing → REMOVE
one-search-mcpSEARCH_PROVIDER=local — verify no cloud callsRun a search, packet-capture / check process network
codebase-memoryFresh binary at C:/Users/C5420321/AppData/Local/Programs/codebase-memory-mcp/ — confirm index built for umbrellamcp__codebase-memory__list_projects should return the workspace

(c) Servers we probably don’t need

ServerVerdictReason
screenpipeREMOVE unless daily-usedScreen-capture MCP. Not tied to any live oriz workflow. Adds startup cost + SCREENPIPE_API_KEY env dependency. If Screenpipe agent isn’t installed on this laptop → dead entry. Grill-me first.
Duplicate chirag127 under projects["C:/d/oriz"].mcpServers in ~/.claude.jsonREMOVEAlready present at workspace level in .mcp.json. Duplicate registration wastes tool schema slots.
Some chirag127 sub-backends (axel-belfort, oevortex, keenable, tetiai)HIDE (don’t remove)We only use 2-3. Rest inflate the tool list. If Smithery supports per-tool disable, disable unused. Otherwise leave — no local cost.

(d) Delta cleanup: morph-mcp placement

morph-mcp lives only in user-global ~/.claude.json. Per mcp-config-single-source-of-truth, workspace .mcp.json is canonical. Two paths:

  1. Promote to workspace — add to .mcp.json so Claude Code reads it natively. Preferred if morph-mcp is durable / not per-machine credential-tied.
  2. Keep user-global only — if it’s Claude-Code-specific credential-shape, document in .agents/claude/CLAUDE.md.

Recommend path 1: edit_file is durable. Grill-me before deciding — no auto-promote.

(e) Servers to add later (gaps identified)

None right now. Current 10 blessed cover: search × 3, code × 2, docs × 1, fetch × 2, memory × 1 (dual-role), other × 2. Add on demand only, per no-global-config-without-grilling.

Cross-refs

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