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Self-healing proxy for MCP servers with retry, circuit breaker, and observability
Pick the AI app you use, then copy the settings.
Passed 2/3 checks · Runs on your computer · ✓ Commands checked Nov 14, 2026
First: which AI do you use?
Pick your app and the steps appear below.
Works with Claude, with some setup first
Install Node.js on your computer first (one time) · Only the Claude desktop app (Windows or Mac), not the web or phone
Copy this message into a Claude chat. The AI checks your computer, tells you which file it will change, and waits for your OK every time.
Please install the MCP server SelfHeal MCP for Claude on this computer, in this order: 1) Check Node.js with node -v. If it is missing, tell me to install it from https://nodejs.org/en/download; do not install it yourself. 2) Use only this config (already checked by PopNx MCP): { "mcpServers": { "selfheal": { "command": "npx", "args": [ "-y", "selfheal-mcp" ] } } } 3) Tell me the full path of the file you will change, or the command you will run, and wait for my OK. 4) No key is needed. 5) Do what we agreed, then check that the SelfHeal MCP tools really show up.This message has no key in it. If a key is needed, the AI will ask you to paste it yourself into the file or the app’s field.
Already installed? Check first · Open Terminal, type this command and press Enter
node -vMac: press ⌘ + Space, type Terminal, press Enter
Windows: open Start, type Windows PowerShell, then Open
Not installed: Open the official download page, pick the LTS version and the click-through installer: .pkg on Mac · .msi on Windows. Double-click and follow it to the end. No curl command needed
Open the Node.js download page ↗
When it’s done, close Terminal, open it again and run the same command. You should see a version number: node -v
Install once; it works for everything that needs Node.js
SettingsDeveloperEdit Config
{
"mcpServers": {
"selfheal": {
"command": "npx",
"args": [
"-y",
"selfheal-mcp"
]
}
}
}Use SelfHeal MCP and tell me what you can do for me, then show me one thing✓ If Claude says it is using SelfHeal MCP or shows a SelfHeal MCP tool in the answer, you are connected
The command above works without these. Add them only if you want to change something, following the maker’s description.
SELFHEAL_CONFIG Path to selfheal.config.json (optional, defaults to cwd)SELFHEAL_MAX_RETRIES Max retry attempts per call (default: 3)SELFHEAL_CIRCUIT_THRESHOLD Failures before circuit opens (default: 5)Descriptions are as written by the maker.
Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version
ChatGPT cannot connect SelfHeal MCP yet
SelfHeal MCP runs on your computer, but ChatGPT can only connect servers that run on the web
A · Use an app that can connect SelfHeal MCP
B · Others in Developer tools that work with ChatGPT
Picked from the most used in the same category, only ones that connect by address with no key
Works with Claude Code, with some setup first
Install Node.js on your computer first (one time)
Copy this message into a Claude Code chat. The AI checks your computer, tells you which file it will change, and waits for your OK every time.
Please install the MCP server SelfHeal MCP for Claude Code on this computer, in this order: 1) Check Node.js with node -v. If it is missing, tell me to install it from https://nodejs.org/en/download; do not install it yourself. 2) Use only this config (already checked by PopNx MCP): claude mcp add --scope user selfheal -- npx -y selfheal-mcp 3) Tell me the full path of the file you will change, or the command you will run, and wait for my OK. 4) No key is needed. 5) Do what we agreed, then check that the SelfHeal MCP tools really show up.This message has no key in it. If a key is needed, the AI will ask you to paste it yourself into the file or the app’s field.
Already installed? Check first · Open Terminal, type this command and press Enter
node -vMac: press ⌘ + Space, type Terminal, press Enter
Windows: open Start, type Windows PowerShell, then Open
Not installed: Open the official download page, pick the LTS version and the click-through installer: .pkg on Mac · .msi on Windows. Double-click and follow it to the end. No curl command needed
Open the Node.js download page ↗
When it’s done, close Terminal, open it again and run the same command. You should see a version number: node -v
Install once; it works for everything that needs Node.js
Mac: press Command+Space and type Terminal · Windows: open PowerShell
claude mcp add --scope user selfheal -- npx -y selfheal-mcpYou should see SelfHeal MCP listed as connected
Use SelfHeal MCP and tell me what you can do for me, then show me one thing✓ If Claude Code says it is using SelfHeal MCP or shows a SelfHeal MCP tool in the answer, you are connected
The command above works without these. Add them only if you want to change something, following the maker’s description.
SELFHEAL_CONFIG Path to selfheal.config.json (optional, defaults to cwd)SELFHEAL_MAX_RETRIES Max retry attempts per call (default: 3)SELFHEAL_CIRCUIT_THRESHOLD Failures before circuit opens (default: 5)Descriptions are as written by the maker.
Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Works with Cursor, with some setup first
Install Node.js on your computer first (one time)
Copy this message into a Cursor chat. The AI checks your computer, tells you which file it will change, and waits for your OK every time.
Please install the MCP server SelfHeal MCP for Cursor on this computer, in this order: 1) Check Node.js with node -v. If it is missing, tell me to install it from https://nodejs.org/en/download; do not install it yourself. 2) Use only this config (already checked by PopNx MCP): { "mcpServers": { "selfheal": { "command": "npx", "args": [ "-y", "selfheal-mcp" ] } } } 3) Tell me the full path of the file you will change, or the command you will run, and wait for my OK. 4) No key is needed. 5) Do what we agreed, then check that the SelfHeal MCP tools really show up.This message has no key in it. If a key is needed, the AI will ask you to paste it yourself into the file or the app’s field.
Already installed? Check first · Open Terminal, type this command and press Enter
node -vMac: press ⌘ + Space, type Terminal, press Enter
Windows: open Start, type Windows PowerShell, then Open
Not installed: Open the official download page, pick the LTS version and the click-through installer: .pkg on Mac · .msi on Windows. Double-click and follow it to the end. No curl command needed
Open the Node.js download page ↗
When it’s done, close Terminal, open it again and run the same command. You should see a version number: node -v
Install once; it works for everything that needs Node.js
Use SelfHeal MCP and tell me what you can do for me, then show me one thing✓ If Cursor says it is using SelfHeal MCP or shows a SelfHeal MCP tool in the answer, you are connected
The command above works without these. Add them only if you want to change something, following the maker’s description.
SELFHEAL_CONFIG Path to selfheal.config.json (optional, defaults to cwd)SELFHEAL_MAX_RETRIES Max retry attempts per call (default: 3)SELFHEAL_CIRCUIT_THRESHOLD Failures before circuit opens (default: 5)Descriptions are as written by the maker.
Menu names checked against Cursor’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Works with VS Code, with some setup first
Install Node.js on your computer first (one time)
Copy this message into a VS Code chat. The AI checks your computer, tells you which file it will change, and waits for your OK every time.
Please install the MCP server SelfHeal MCP for VS Code on this computer, in this order: 1) Check Node.js with node -v. If it is missing, tell me to install it from https://nodejs.org/en/download; do not install it yourself. 2) Use only this config (already checked by PopNx MCP): { "servers": { "selfheal": { "type": "stdio", "command": "npx", "args": [ "-y", "selfheal-mcp" ] } } } 3) Tell me the full path of the file you will change, or the command you will run, and wait for my OK. 4) No key is needed. 5) Do what we agreed, then check that the SelfHeal MCP tools really show up.This message has no key in it. If a key is needed, the AI will ask you to paste it yourself into the file or the app’s field.
Already installed? Check first · Open Terminal, type this command and press Enter
node -vMac: press ⌘ + Space, type Terminal, press Enter
Windows: open Start, type Windows PowerShell, then Open
Not installed: Open the official download page, pick the LTS version and the click-through installer: .pkg on Mac · .msi on Windows. Double-click and follow it to the end. No curl command needed
Open the Node.js download page ↗
When it’s done, close Terminal, open it again and run the same command. You should see a version number: node -v
Install once; it works for everything that needs Node.js
Use SelfHeal MCP and tell me what you can do for me, then show me one thing✓ If VS Code says it is using SelfHeal MCP or shows a SelfHeal MCP tool in the answer, you are connected
The command above works without these. Add them only if you want to change something, following the maker’s description.
SELFHEAL_CONFIG Path to selfheal.config.json (optional, defaults to cwd)SELFHEAL_MAX_RETRIES Max retry attempts per call (default: 3)SELFHEAL_CIRCUIT_THRESHOLD Failures before circuit opens (default: 5)Descriptions are as written by the maker.
Menu names checked against VS Code’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Other apps that use MCP, such as Windsurf, Zed or Gemini CLI, each add servers differently. See how in the app list.
JSON settings are under “For developers” below
Claude Code
claude mcp add --scope user selfheal -- npx -y selfheal-mcpClaude Desktop (claude_desktop_config.json)
{
"mcpServers": {
"selfheal": {
"command": "npx",
"args": [
"-y",
"selfheal-mcp"
]
}
}
}Cursor (~/.cursor/mcp.json)
{
"mcpServers": {
"selfheal": {
"command": "npx",
"args": [
"-y",
"selfheal-mcp"
]
}
}
}VS Code (mcp.json)
{
"servers": {
"selfheal": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"selfheal-mcp"
]
}
}
}SELFHEAL_CONFIG envSELFHEAL_MAX_RETRIES envSELFHEAL_CIRCUIT_THRESHOLD envDescriptions are as written by the maker.
These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
npm: selfheal-mcpBased on how this server connects and on each app’s own docs, checked Nov 10, 2026.
Run on your computer in
ClaudeGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatRaycast
Runs on your computer; the tool list appears in your AI app after you install it.
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 16, 2026
The registry name was verified with the GitHub account carsonroell-debug, which owns the repo
Code last changed 4 months ago
No licence file found in the repo
This one runs on your computer; there is no internet endpoint
Runs on your computer and uses local settings instead
Runs on your computer; we can only read tool lists from internet endpoints
Not checked yet
Ask, share a tip or report that it does not work. Sorted by what people marked helpful.
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Posts here are written by users, not the PopNx team.
No reviews yet
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 2 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
The registry does not list a required key, though some servers ask you to sign in on first use.
It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).
The GitHub repo last changed 4 months ago, and the latest version (0.1.1) reached the registry 7 months ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.
In the same category: GitDiagram, Appllama, Cloudflare MCP, Omnara, Repowise
Same category, other makers, commands already checked. Official ones first, then by stars.
Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
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Self-healing proxy for MCP servers. Wraps any MCP tool call with automatic retry, circuit breaker protection, and call observability.
Your AI agents stop breaking on flaky APIs.
One-click install: Install on MCPize |
npx selfheal-mcp
Add to your Claude Desktop / Claude Code config:
{
"mcpServers": { "selfheal": { "command": "npx", "args": ["-y", "selfheal-mcp"] } } }
Then use wrap_call to make any HTTP request with self-healing:
Use the wrap_call tool to GET https://api.example.com/data with target "example-api"
Create selfheal.config.json:
{
"mode": "proxy", "targets": [ { "name": "my-server", "transport": "streamable-http", "url": "https://my-mcp-server.com/mcp" } ] }
{
"mcpServers": { "selfheal": { "command": "npx", "args": ["-y", "selfheal-mcp"], "env": { "SELFHEAL_CONFIG": "/path/to/selfheal.config.json" } } } }
All tools from my-server are re-exposed with self-healing built in.
| Tool | Description |
|---|---|
wrap_call | Execute HTTP call with retry + circuit breaker |
circuit_status | Check health of any target |
circuit_reset | Reset circuit breaker after fixing issues |
metrics | Success rates, latency, top errors |
recent_errors | Recent failures with full details |
| Tool | Description |
|---|---|
selfheal_metrics | Metrics for all proxied calls |
selfheal_circuits | Circuit status for all targets |
selfheal_recent_errors | Recent errors across all targets |
| Variable | Default | Description |
|---|---|---|
SELFHEAL_CONFIG | ./selfheal.config.json | Config file path |
SELFHEAL_MAX_RETRIES | 3 | Max retry attempts |
SELFHEAL_BASE_DELAY_MS | 1000 | Base delay for backoff |
SELFHEAL_MAX_DELAY_MS | 30000 | Max delay cap |
SELFHEAL_CIRCUIT_THRESHOLD | 5 | Failures before circuit opens |
SELFHEAL_CIRCUIT_COOLDOWN_MS | 120000 | Cooldown before half-open test |
Agent → SelfHeal MCP → [Retry + Circuit Breaker] → Target API/MCP Server
↓ Metrics Collector
One-click install with managed hosting: [Install on MCPize](https://mcpize.com/mcp/selfheal-mcp)
npx selfheal-mcp
Not applicable — this is a TypeScript server. For Python alternatives, see LeadEnrich MCP.
MIT — Built by Freedom Engineers