MCPJam/inspector
Testing and evaluation platform to chat, inspect, and debug MCP servers, MCP apps, and ChatGPT apps. observed · 2026-08-28
Health v2 · maintenance only
82/100
- Activity 99
- Release rhythm 87
- Longevity 33
Flags: no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: 0.0
- age_days: 467
- days_rel: 7
- days_push: 7
- n_releases_24m: 199
Adoption not part of the score
2172 stars · 271 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
MCPJam is an open-source testing and evaluation platform for MCP server developers, providing an inspector playground, OAuth/EMA debugger, cross-client evals, CLI, and TypeScript SDK. It lets you chat with, inspect, and debug MCP servers across 16 client configurations and gate regressions in CI/CD.
Use cases
- test and debug my MCP server tools
- run evals on MCP server tool calls
- debug OAuth flow for MCP server
- check MCP protocol conformance across clients
- gate MCP server regressions in CI
- inspect JSON-RPC messages from MCP server
- test MCP server with multiple LLM models
When to choose
- you build MCP servers and need to test tools, prompts, and resources
- you need OAuth/EMA debugging for MCP auth flows
- you want eval gates in CI/CD for MCP server behavior
- you need cross-client compatibility checks (Claude, ChatGPT, Cursor)
When to avoid
- you need a production MCP client for end users
- you don't work with MCP servers at all
- you need general-purpose LLM app testing outside MCP
Facets
application · maturity active
testing mcp llm-inference auth developer-tools benchmarking cli developer-tools artificial-intelligence large-language-models testing cli cross-platform mcp-inspector mcp-server-testing oauth-debugging evals ci-cd-gates agent-in-the-loop-evals nodejs web-server
10 sources
- readme: https://github.com/MCPJam/inspector · fetched 2026-08-28 · ad039563db1b
- homepage: https://www.mcpjam.com/ · fetched 2026-08-29 · d9356b55bc60
- site_page: https://www.mcpjam.com/features/cross-client-testing · fetched 2026-08-29 · f9713c542b4d
- site_page: https://www.mcpjam.com/features/ci-cd-actions · fetched 2026-08-29 · 57f57cf63ed3
- site_page: https://www.mcpjam.com/features/cli · fetched 2026-08-29 · bf6c31ca37ad
- site_page: https://www.mcpjam.com/features/sdk · fetched 2026-08-29 · 309e84703b5c
- site_page: https://www.mcpjam.com/features · fetched 2026-08-29 · 57943e4728ec
- site_page: https://www.mcpjam.com/features/inspector · fetched 2026-08-29 · 564d11887c5b
- site_page: https://www.mcpjam.com/features/oauth-debugger · fetched 2026-08-29 · 5781cf2f7b24
- site_page: https://www.mcpjam.com/pricing · fetched 2026-08-29 · c20c936b0dab
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| MCPJam/inspector | main | 82 |
For agents
markdown · JSON · MCP: product_card(name="MCPJam/inspector")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem