json-server

json-server is a simple tool to create a REST API with JSON data.

Evaluated Mar 14, 2026 (0d ago)
Homepage ↗ Repo ↗ Development Tools mock api json development
⚙ Agent Friendliness
40
/ 100
Can an agent use this?
🔒 Security
28
/ 100
Is it safe for agents?
⚡ Reliability
25
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
--
Documentation
--
Error Messages
--
Auth Simplicity
100
Rate Limits
0

🔒 Security

TLS Enforcement
0
Auth Strength
0
Scope Granularity
0
Dep. Hygiene
50
Secret Handling
100

No TLS enforcement; secrets should be handled carefully.

⚡ Reliability

Uptime/SLA
0
Version Stability
50
Breaking Changes
0
Error Recovery
50
AF Security Reliability

Best When

You need a quick and easy way to mock an API.

Avoid When

You require a robust and secure backend solution.

Use Cases

  • Mocking APIs for frontend development
  • Prototyping and testing
  • Creating a simple backend for applications

Not For

  • Production-level applications
  • Complex data relationships

Interface

REST API
Yes
GraphQL
No
gRPC
No
MCP Server
No
SDK
No
Webhooks
No

Authentication

OAuth: No Scopes: No

Pricing

Model: Open Source
Free tier: Yes
Requires CC: No

Agent Metadata

Idempotent
Unknown
Retry Guidance
Not documented

Alternatives

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Scores are editorial opinions as of 2026-03-14.

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