Prism MCP Server

by terradev-cloud Your server? Claim it

answering

Prism is answering right now. Last checked 14 min ago. It exposes 3 tools. Last commit 27 Sep 2026.

Stateless MCP gateway and OTel span-streaming bridge for hosted MCP servers.

Uptime history 15 days of history

15 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

401 ms

Response time

average over 24h

Stars

last commit 27 Sep 2026

What changed 3

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 29 September 2026. No other catalogue keeps this.

29 Sep 3 tools disappeared prism_config, prism_metrics, prism_sessions

Tools have disappeared from this server

A tool that vanishes takes a piece of your agent with it, and the change arrives silently. Watch this server and every such change lands in your inbox.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add prism --transport http https://prism-mcp.terradev.cloud/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "prism": {
      "url": "https://prism-mcp.terradev.cloud/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.prism]
url = "https://prism-mcp.terradev.cloud/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "prism": {
      "url": "https://prism-mcp.terradev.cloud/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "prism": {
      "url": "https://prism-mcp.terradev.cloud/mcp"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

prism

prism_help

Returns connection instructions: how to set the upstream MCP server (X-Prism-Upstream header or ?upstream= query param), the query-param config keys for header-less clients, how destinations and the borrowed-token model work, and example client configs. Start here if you are an agent discovering Prism for the first time.

prism_info

Returns Prism's service identity and runtime state: version, transport, public URL, capture default, and the number of MCP sessions currently being traced. Use this to confirm which Prism deployment you are talking to and whether it is healthy before configuring an upstream.

prism_ping

Returns {"pong": true, "time": <unix seconds>} plus an optional echo of the 'echo' argument. Use to verify connectivity through the gateway before pointing it at an upstream MCP server.

Tools removed

Tools this server used to expose. Anything built against them stopped working on the day they went.

prism_config

removed 29 Sep 2026

prism_metrics

removed 29 Sep 2026

prism_sessions

removed 29 Sep 2026

Endpoints

URL	Transport	State	Latency	Checked
https://prism-mcp.terradev.cloud/mcp	streamable-http	answering	392 ms	14 min ago

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Prism — questions

Answers built from our own checks of this server.

What can Prism do?

It exposes 3 tools, read directly from the server on our last check. Among them: prism_help, prism_info, prism_ping. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Prism working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 401 ms. The bar chart above shows every period we have measured.

Did Prism ever remove tools?

Yes. prism_config, prism_metrics, prism_sessions are no longer exposed — we recorded the date each one disappeared. A tool vanishing usually means a breaking change for anything that depended on it.

How do I connect Prism?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Prism need an API key?

No. Prism completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Prism?

It answers our handshake in 401 ms on average, which is faster than 34% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Prism open source?

We cannot say either way: written in Python and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.