Tier list: tools data agents can use

Updated 2026-11-08 · 49 tools · rubric v1

Data agents read, write and change records. A wrong write is expensive, so a safe place to test matters. We rank each tool by how much of that access it publishes. MCP and a sandbox (or branch) count most. API, CLI and key auth are important.

S90+

AAudioPod AIIi18n-agentSStripe

A75–89

CCustomDomainCChronaryEEmpirioLabs AIEEvoLinkIIntoDNS.aiKKaiva BridgeKKeenableRResend

B60–74

CCloudflareGGitHubNNeonAAiVikingsBBenchGeckoCCloudBrowserEeach::labsFFrameThrowerLLithtrixMMapMapMMarchwardMMarrow AIMMindsSSentrySSupabase

C40–59

AAgentDMBByteAsk Embedded DocsFFourAAAutenCCodeNibLLinearNNotionDDeepLedgerEElicitlyHHowseenJJoxoKKinMMaguyvaRRiusSSpotDB

Dunder 40

AAnki MCP ServerAAuthoryzeDdbmcpGGiljo HQKKernora Agent-SecAAtlaso MemoryBBumbleBoxKKubit

What counts for data agents

Fit = points the tool has ÷ points possible × 100. Tiers: S 90+, A 75+, B 60+, C 40+, D under 40.

Every tool, tier by tier

S tier (3)

• AudioPod AI · fit 100
  Transcription and audio stem separation
  Has: MCP server, Public API, CLI, OpenAPI spec, llms.txt, Key auth, Sandbox. Nothing missing. Details
• i18n-agent · fit 100
  Translation into 48 languages
  Has: MCP server, Public API, CLI, OpenAPI spec, llms.txt, Key auth, Sandbox. Nothing missing. Details
• Stripe · fit 93
  Payments, subscriptions and refunds through the API and official MCP server, with a test mode to practice safely
  Has: MCP server, Public API, CLI, OpenAPI spec, Key auth, Sandbox. Missing: llms.txt. Details

A tier (8)

• CustomDomain · fit 86
  Connect custom domains for your users
  Has: MCP server, Public API, OpenAPI spec, llms.txt, Key auth, Sandbox. Missing: CLI. Details
• Chronary · fit 79
  Calendar API for agents
  Has: MCP server, Public API, CLI, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox. Details
• EmpirioLabs AI · fit 79
  Model calls and GPUs
  Has: MCP server, Public API, CLI, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox. Details
• EvoLink · fit 79
  One API for image, video and voice models
  Has: MCP server, Public API, CLI, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox. Details
• IntoDNS.ai · fit 79
  DNS and email security checks
  Has: MCP server, Public API, CLI, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox. Details
• Kaiva Bridge · fit 79
  Turn API docs into an MCP server
  Has: MCP server, Public API, CLI, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox. Details
• Keenable · fit 79
  Web search and page reading
  Has: MCP server, Public API, CLI, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox. Details
• Resend · fit 79
  Email API for developers: send mail and check delivery over MCP
  Has: MCP server, Public API, CLI, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox. Details

B tier (15)

• Cloudflare · fit 71
  Infrastructure from Workers to DNS, run through wrangler CLI and the MCP server
  Has: MCP server, Public API, CLI, OpenAPI spec, Key auth. Missing: Sandbox, llms.txt. Details
• GitHub · fit 71
  Issues, PRs and reviews handled directly through the official MCP server and gh CLI
  Has: MCP server, Public API, CLI, OpenAPI spec, Key auth. Missing: Sandbox, llms.txt. Details
• Neon · fit 71
  Serverless Postgres with branches to test migrations first, MCP supported
  Has: MCP server, Public API, CLI, OpenAPI spec, Key auth. Missing: Sandbox, llms.txt. Details
• AiVikings · fit 64
  Domain search and registration for agents
  Has: MCP server, Public API, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox, CLI. Details
• BenchGecko · fit 64
  Model pricing and benchmark data
  Has: MCP server, Public API, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox, CLI. Details
• CloudBrowser · fit 64
  Cloud Chrome you can drive
  Has: MCP server, Public API, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox, CLI. Details
• each::labs · fit 64
  Image, video and voice generation
  Has: MCP server, Public API, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox, CLI. Details
• FrameThrower · fit 64
  Search film scenes
  Has: MCP server, Public API, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox, CLI. Details
• Lithtrix · fit 64
  Identity and memory for agents
  Has: MCP server, Public API, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox, CLI. Details
• MapMap · fit 64
  Maps and routing
  Has: MCP server, Public API, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox, CLI. Details
• Marchward · fit 64
  Permissions and spend caps for agents
  Has: MCP server, llms.txt, Key auth, Sandbox. Missing: Public API, CLI, OpenAPI spec. Details
• Marrow AI · fit 64
  Approvals and audit logs for agent actions
  Has: MCP server, Public API, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox, CLI. Details
• Minds · fit 64
  Market research with simulated customers
  Has: MCP server, Public API, OpenAPI spec, llms.txt, Key auth. Missing: Sandbox, CLI. Details
• Sentry · fit 64
  Error issues read over MCP so an agent can trace the cause and ship the fix
  Has: MCP server, Public API, CLI, Key auth. Missing: Sandbox, OpenAPI spec, llms.txt. Details
• Supabase · fit 64
  Postgres, auth and storage set up through the MCP server and CLI
  Has: MCP server, Public API, CLI, Key auth. Missing: Sandbox, OpenAPI spec, llms.txt. Details

C tier (15)

• AgentDM · fit 57
  Messaging between AI agents
  Has: MCP server, CLI, llms.txt, Key auth. Missing: Sandbox, Public API, OpenAPI spec. Details
• ByteAsk Embedded Docs · fit 57
  Search embedded-systems docs
  Has: MCP server, CLI, llms.txt, Key auth. Missing: Sandbox, Public API, OpenAPI spec. Details
• FourA · fit 57
  Web access and proxies
  Has: MCP server, Public API, llms.txt, Key auth. Missing: Sandbox, CLI, OpenAPI spec. Details
• Auten · fit 50
  Control computers and phones
  Has: MCP server, CLI, Key auth. Missing: Sandbox, Public API, OpenAPI spec, llms.txt. Details
• CodeNib · fit 50
  Navigate code structure
  Has: MCP server, CLI, Key auth. Missing: Sandbox, Public API, OpenAPI spec, llms.txt. Details
• Linear · fit 50
  Project tracking where the official MCP server creates issues and moves their status
  Has: MCP server, Public API, Key auth. Missing: Sandbox, CLI, OpenAPI spec, llms.txt. Details
• Notion · fit 50
  Team wiki whose pages and databases can be read and written over MCP
  Has: MCP server, Public API, Key auth. Missing: Sandbox, CLI, OpenAPI spec, llms.txt. Details
• DeepLedger · fit 43
  Bookkeeping entries
  Has: MCP server, llms.txt, Key auth. Missing: Sandbox, Public API, CLI, OpenAPI spec. Details
• Elicitly · fit 43
  Human confirmation dialogs
  Has: MCP server, llms.txt, Key auth. Missing: Sandbox, Public API, CLI, OpenAPI spec. Details
• Howseen · fit 43
  Brand visibility in AI search
  Has: MCP server, llms.txt, Key auth. Missing: Sandbox, Public API, CLI, OpenAPI spec. Details
• Joxo · fit 43
  Team board for coding agents
  Has: MCP server, CLI, llms.txt. Missing: Sandbox, Public API, Key auth, OpenAPI spec. Details
• Kin · fit 43
  Per-account permissions for agents
  Has: MCP server, llms.txt, Key auth. Missing: Sandbox, Public API, CLI, OpenAPI spec. Details
• Maguyva · fit 43
  Code search
  Has: MCP server, llms.txt, Key auth. Missing: Sandbox, Public API, CLI, OpenAPI spec. Details
• Rius · fit 43
  Observe agent run traces
  Has: MCP server, llms.txt, Key auth. Missing: Sandbox, Public API, CLI, OpenAPI spec. Details
• SpotDB · fit 43
  Disposable data sandboxes
  Has: MCP server, OpenAPI spec, Key auth. Missing: Sandbox, Public API, CLI, llms.txt. Details

D tier (8)

• Anki MCP Server · fit 36
  Manage Anki flashcards
  Has: MCP server, Key auth. Missing: Sandbox, Public API, CLI, OpenAPI spec, llms.txt. Details
• Authoryze · fit 36
  Spend limits and single-use cards for agents
  Has: MCP server, Key auth. Missing: Sandbox, Public API, CLI, OpenAPI spec, llms.txt. Details
• dbmcp · fit 36
  Connect to databases
  Has: MCP server, Key auth. Missing: Sandbox, Public API, CLI, OpenAPI spec, llms.txt. Details
• Giljo HQ · fit 36
  Context management for coding agents
  Has: MCP server, Key auth. Missing: Sandbox, Public API, CLI, OpenAPI spec, llms.txt. Details
• Kernora Agent-Sec · fit 36
  Security rules for coding agents
  Has: MCP server, Key auth. Missing: Sandbox, Public API, CLI, OpenAPI spec, llms.txt. Details
• Atlaso Memory · fit 29
  Shared memory across tools
  Has: MCP server, llms.txt. Missing: Sandbox, Public API, CLI, Key auth, OpenAPI spec. Details
• BumbleBox · fit 29
  Inbox search and reply drafts
  Has: MCP server, llms.txt. Missing: Sandbox, Public API, CLI, Key auth, OpenAPI spec. Details
• Kubit · fit 29
  Query your data warehouse
  Has: MCP server, llms.txt. Missing: Sandbox, Public API, CLI, Key auth, OpenAPI spec. Details

How we check

• We read each tool's public pages, docs and repos for the seven signals. We do not run the MCP server or install the CLI.
• A signal counts only when we find it published. A “present” signal says the entry point exists. It does not grade quality.
• The points are our own rubric (v1). They are not a certification, and we have not yet checked them against real agent success rates.

Other tier lists: Coding agents · Automation agents · Payment agents
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