MCPJam News & Updates

What is MCPJam?

MCPJam is a Debugging tool. Test, debug, and evaluate MCP servers with local and CI/CD integration. MCPJam is freemium: it has a free plan, and paid plans start at $24/month. It is available on Web App. It is aimed at developers and teams.

MCPJam tests, debugs, and evaluates MCP servers. It offers local and CI/CD integration, OAuth flow testing, and LLM-powered evaluations. Designed for developers and teams managing MCP server workflows.

Built for developers and teams.

Key capabilities

Coding

Features

MCP Inspector
Runs locally or in CI for server testing and debugging.
MCP OAuth & EMA Debugger
Cross-Client Testing
CI/CD Actions
Test Agent Skills
Evaluates agent skills and MCP performance locally.
User Testing
Swarms

Use cases

Test MCP servers locally with the Inspector
Debug OAuth and EMA flows using the MCP OAuth & EMA Debugger
Evaluate cross-client compatibility of MCP servers
Integrate with CI/CD pipelines for automated testing
Evaluate agent skills and MCP performance locally
Conduct user testing of MCP server features

Who it's for

Pros & cons

Pros

Free plan available
Paid plans with usage-based pricing
Credit system for usage tracking
Enterprise controls including SSO and audit logs

Cons

Paid plans required for advanced features
Limited free credit allocation

Pricing

Freemium — paid plans start at $24/month.

MCPJam plans
Plan	Price
Free	Free
Pro1,000 credits credits	$24 / month
TeamPopular1,000 credits credits	$199 / month
Enterprise	Custom

See current pricing on MCPJam's website

Developer & API

Open source· 2.2K stars· 294 forks

API documentation Source code

Security & compliance

SOC 2
SSO
SAML
Data deletion

As stated on MCPJam's website — not independently verified by AiByts.

FAQ

What is MCPJam?

MCPJam is a Debugging tool. Test, debug, and evaluate MCP servers with local and CI/CD integration. MCPJam tests, debugs, and evaluates MCP servers. It offers local and CI/CD integration, OAuth flow testing, and LLM-powered evaluations. Designed for developers and teams managing MCP server workflows.

Is MCPJam free?

MCPJam has a free plan; advanced features require a paid plan.

How much does MCPJam cost?

MCPJam offers 4 plans: Free (Free), Pro ($24 / month), Team ($199 / month) and Enterprise (Custom).

What platforms does MCPJam support?

MCPJam is available on Web App.

Who should use MCPJam?

MCPJam is built for developers and teams. Common uses: test MCP servers locally with the Inspector, debug OAuth and EMA flows using the MCP OAuth & EMA Debugger, evaluate cross-client compatibility of MCP servers and integrate with CI/CD pipelines for automated testing.

Is MCPJam open source?

Yes, MCPJam is open source.

What are the best alternatives to MCPJam?

Similar tools on AiByts include Keploy, HeyTensor, TryCase, Vivgrid and bitdrift.

MCPJam news & updates

How to Build an MCP Server in TypeScript: Step-by-Step Guide
Learn how to build a secure, production-ready Model Context Protocol (MCP) server in TypeScript using the v2 SDK. Master tools, resources, and prompts.
MCPJam BlogOct 2, 202621 min read
OpenAI DevDay 2026: what matters for plugin builders
Organic discovery, Plugin Extensions, and Dots: the three OpenAI DevDay 2026 announcements that matter most if you build ChatGPT plugins or MCP servers, and what to do about them.
MCPJam BlogSep 30, 20263 min read
Multi-account connections in MCPJam
How multi-account connections let an agent pull data from several accounts of the same app through one MCP server, how ChatGPT routes each tool call with link_id, and how to test it in MCPJam.
MCPJam BlogSep 23, 20262 min read
WebMCP Testing: How to Test and Debug Tools
Learn how to test and debug WebMCP tools with MCPJam Inspector and Playground. Follow a pizza demo to inspect tool calls, inputs, and agent behavior.
MCPJam BlogSep 17, 20263 min read
Swarms, User Testing, Evals, and CI/CD for MCP servers
Run User Testing, Swarms, Evals, and CI/CD gates on your MCP server to see if users actually succeed in ChatGPT, Claude, and Copilot. Test local servers via desktop app, CLI, or SDK.
MCPJam BlogSep 14, 20263 min read
MCPJam vs MCP Inspector V2: Choosing the Right MCP Testing Tool
Compare MCPJam and MCP Inspector V2 for testing Model Context Protocol (MCP) servers. Learn when to use protocol testing versus end-to-end agent behavior evaluations.
MCPJam BlogSep 11, 202610 min read
MCP Client Changelog August 2026: Host Updates & What to Test
The August 2026 MCP Client Changelog. See what changed in Cline, Goose, Claude Code, Codex, Claude, AgentCore, GitHub Copilot, and VS Code, and what to test in your MCP server.
MCPJam BlogSep 10, 202610 min read
MCP Client Changelog July 2026: Host Updates & What to Test
Read the July 2026 MCP Client Changelog. Discover critical updates for Claude, ChatGPT, Goose, Codex, Cline, and AgentCore, and how to test your MCP servers.
MCPJam BlogAug 31, 202611 min read
MCPJam now supports Skills over MCP
Test the tools and the workflow instructions delivered by an MCP server in one place.
MCPJam BlogAug 28, 20267 min read
Jeppesen ForeFlight uses MCPJam to iterate 10x faster on AI experiences for pilots
How MCPJam supports secure, personalized flight app experiences for the 75% of US pilots using ForeFlight.
MCPJam BlogAug 17, 20268 min read
Publishing a plugin in the ChatGPT and Codex Plugins Directory
A plugin allows users to install your MCP server, skills, or both directly in ChatGPT and Codex, without requiring manual configuration.
MCPJam BlogAug 6, 20268 min read
Publishing an MCP server in the Claude Connectors
There are two ways people can use your MCP server. The first is that you send them a URL and they paste it into Claude's custom connector settings themselves.
MCPJam BlogAug 6, 20267 min read
MCP Inspector V2 Guide: Setup, Debugging & Alternatives
MCP Inspector is the official MCP debugging toolkit. See what's new in V2, including Web/CLI/TUI, OAuth, and transports, plus how it compares to MCPJam.
MCPJam BlogAug 6, 202620 min read
MCP 2026-07-28 Goes Stateless: What Breaks and How to Migrate to V2
MCP v2 goes stateless in 2026-07-28. Learn what breaks and how to migrate sessions, MRTR, Tasks, OAuth, headers, caching, and MCP Apps.
MCPJam BlogJul 31, 202630 min read
Effective MCP, Part 1: The User Value Problem
In MCP, your integration can execute perfectly while failing the user completely in practice, yet you have almost no visibility into the actual outcome.
MCPJam BlogApr 7, 20265 min read
MCPJam Inspector Web App
MCPJam web app provides easy access to testing your MCP app, ChatGPT app, and MCP server directly in the browser, no downloads required.
MCPJam BlogFeb 19, 20262 min read
Share and mock MCP app views
Save, share, and mock MCP app views with MCPJam. Track your app's UI progress, collaborate with teammates, and mock data to see your UI in different states.
MCPJam BlogFeb 9, 20262 min read
Asana uses MCPJam to build ChatGPT Apps and Claude Connectors
Asana is a work management software helping teams organize their work and track progress across teams. Learn how they use MCPJam to build and test their MCP apps.
MCPJam BlogJan 31, 20264 min read