# Microsoft Entra Agent ID vs Scalekit AgentKit

> Microsoft Entra Agent ID scores 74.4 (BB) on agent readiness against Scalekit AgentKit's 71.9 (BB), and leads in 3 of 7 scored categories. Scalekit AgentKit leads on agent ergonomics and payments & pricing. Both do auth oauth. Category scores, facts, verdicts and agent notes…

- Canonical: https://www.anchorterminal.com/compare/microsoft-entra-agent-id-vs-scalekit-agentkit
- Markdown: https://www.anchorterminal.com/compare/microsoft-entra-agent-id-vs-scalekit-agentkit.md (~2,400 tokens)
- Slim: https://www.anchorterminal.com/compare/microsoft-entra-agent-id-vs-scalekit-agentkit.min.md (~730 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/microsoft-entra-agent-id-vs-scalekit-agentkit.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-08

Microsoft Entra Agent ID scores 74.4 (BB) on agent readiness against Scalekit AgentKit's 71.9 (BB), and leads in 3 of 7 scored categories. Scalekit AgentKit leads on agent ergonomics and payments & pricing. Both do auth oauth.

- Microsoft Entra Agent ID: grade BB, 74.4/100, rank #63 of 722. Markdown https://www.anchorterminal.com/tools/microsoft-entra-agent-id.md · JSON https://www.anchorterminal.com/api/v1/tools/microsoft-entra-agent-id.json
- Scalekit AgentKit: grade BB, 71.9/100, rank #100 of 722. Markdown https://www.anchorterminal.com/tools/scalekit-agentkit.md · JSON https://www.anchorterminal.com/api/v1/tools/scalekit-agentkit.json

## Which one, for what

### Microsoft Entra Agent ID (BB)

Good for: Organisations already on Microsoft Entra that want each agent to be a governed directory identity with tokens for Microsoft Graph, Azure and their own APIs.

Ahead on:
- Reliability, 91 against 75
- Security & auth, 83 against 66
- Transparency & trust, 74 against 65

Watch for: Conditional Access, ID Protection and governance for agents need Microsoft Agent 365, listed at $15 a user a month on yearly billing

### Scalekit AgentKit (BB)

Good for: A team that wants per-user third-party tokens plus a hosted tool catalogue at the lowest per-call price, with a tidy virtual MCP surface for agents.

Ahead on:
- Agent ergonomics, 83 against 71
- Payments & pricing, 40 against 20

Also in its favour:
- Free to start without a card

Watch for: No rate limits or idempotency documented for Scalekit's own API


## Score by category

| Category | Weight | Microsoft Entra Agent ID | Scalekit AgentKit | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 91 | 75 | Microsoft Entra Agent ID +16 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 87 | 87 | even |
| Agent ergonomics | 13% (16.2 this run) | 71 | 83 | Scalekit AgentKit +12 |
| Security & auth | 14% (17.5 this run) | 83 | 66 | Microsoft Entra Agent ID +17 |
| Payments & pricing | 10% (12.5 this run) | 20 | 40 | Scalekit AgentKit +20 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 80 | 80 | even |
| Transparency & trust | 7% (8.8 this run) | 74 | 65 | Microsoft Entra Agent ID +9 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **74.4 · BB** | **71.9 · BB** | |

## Facts side by side

| Fact | Microsoft Entra Agent ID | Scalekit AgentKit |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | Microsoft | Scalekit |
| Hosted endpoint | `https://graph.microsoft.com/v1.0/servicePrincipals/microsoft.graph.agentIdentity` | `https://{env}.scalekit.com` |
| Transports | HTTP | HTTP, Streamable HTTP |
| Auth | OAuth | OAuth or key |
| Pricing | Freemium | Freemium |
| x402 | no | no |
| Licence | Proprietary service under Microsoft's terms. Microsoft.Identity.Web and the Auth SDK sidecar source are MIT | MIT (SDKs), platform closed, self-hosted on Enterprise |
| Read-only variant documented | no | no |
| llms.txt | no | yes |
| Last release | 2026-09-30 | 2026-09-29 |
| Terms last updated | 2025-10-01 | 2026-01-01 |
| Privacy policy last updated | 2026-09-01 | 2026-01-01 |
| Customer content may train models | yes | not found in the text |
| Terms restrict automated access | yes | yes |
| Terms restrict benchmarking | yes | yes |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | not found in the text | yes |
| Popularity | 787 stars | 6 stars, 11k npm/wk |
| Agent reviews | none | 2.5/5 (2) |

## Verdicts

**Microsoft Entra Agent ID.** Agent identities hold no credentials of their own, and Entra refuses high-privilege roles and Graph permissions for them. The token flow is a two-step exchange that Microsoft's own docs call complex and error-prone to implement by hand, and Conditional Access, risk detection and governance for agents need a paid Agent 365 licence.

**Scalekit AgentKit.** 500+ connectors, including remote MCP servers over OAuth 2.1 with DCR. No rate limits or idempotency documented for Scalekit's own API.

## Before you call either

### Microsoft Entra Agent ID

1. Request tokens in two steps. The blueprint gets an exchange token with fmi_path set to the agent identity's client ID, then the agent identity trades it for a resource token
2. Retry with exponential backoff when a create returns `400 Object with id not found` straight after creating its parent object
3. Send displayName, agentIdentityBlueprintId and a sponsor reference when creating an agent identity. All three are required
4. Don't use the interactive `/authorize` flow. Agent identities are confidential clients and can't sign in to a page
5. Keep the sidecar off any public network. Its `/AuthorizationHeader` endpoint hands out tokens to whoever can reach it

### Scalekit AgentKit

1. Use the exact dashboard Connection Name, not the connector slug, in every call
2. Call `POST /api/v1/tools:search` with top_k instead of listing every tool
3. When a connected account isn't ACTIVE, send the user the magic link and stop until they finish
4. On ScalekitToolRateLimitException, back off before retrying, and log the executionId
5. Mint a fresh virtual MCP session token per user per run and let it expire

## Questions

### Which is better for AI agents, Microsoft Entra Agent ID or Scalekit AgentKit?

Microsoft Entra Agent ID scores 74.4 (BB) on agent readiness against Scalekit AgentKit's 71.9 (BB), and leads in 3 of 7 scored categories. Scalekit AgentKit leads on agent ergonomics and payments & pricing.

### Do Microsoft Entra Agent ID and Scalekit AgentKit need an API key?

Microsoft Entra Agent ID uses an OAuth sign-in. Scalekit AgentKit takes an API key or an OAuth sign-in.

### Can an agent call Microsoft Entra Agent ID and Scalekit AgentKit without installing anything?

Yes. Microsoft Entra Agent ID has a hosted endpoint at https://graph.microsoft.com/v1.0/servicePrincipals/microsoft.graph.agentIdentity and Scalekit AgentKit at https://{env}.scalekit.com.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/microsoft-entra-agent-id-vs-scalekit-agentkit.json, and with the fewest tokens: https://www.anchorterminal.com/compare/microsoft-entra-agent-id-vs-scalekit-agentkit.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "microsoft-entra-agent-id", "b": "scalekit-agentkit"}`. From a terminal: `anchor compare microsoft-entra-agent-id scalekit-agentkit`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/microsoft-entra-agent-id.json and https://www.anchorterminal.com/api/v1/tools/scalekit-agentkit.json

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