ComputeFirst MCP Server

by 321zz321 Your server? Claim it

answering

ComputeFirst is answering right now. Last checked 8 min ago. It exposes 15 tools. Last commit 1 Nov 2026.

Free deterministic tools for math, data transforms, dates, text, statistics, finance, and units.

Uptime history 16 days of history

16 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

322 ms

Response time

average over 24h

Stars

last commit 1 Nov 2026

Nothing serious here today

Today is the operative word: we check ComputeFirst every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add computefirst --transport http https://computefirst.net/mcp

Settings → Connectors → Add custom connector, then paste this address

https://computefirst.net/mcp

~/.codex/config.toml

[mcp_servers.computefirst]
url = "https://computefirst.net/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "computefirst": {
      "url": "https://computefirst.net/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "computefirst": {
      "type": "http",
      "url": "https://computefirst.net/mcp"
    }
  }
}

Available tools 15

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

execute

execute

Run one ComputeFirst catalog tool by id and version with its JSON input. Returns the deterministic result and an unmeasured savings receipt. Limits: computefirst.net/docs#limits.

execute_batch

Run 1–20 ComputeFirst catalog tools in one request. Optional bindings fill an input key from an earlier result (JSON Pointer); include_result:false omits an intermediate. Steps after a failed dependency are skipped; nothing is retried automatically. Each success is one execution. Inputs, results and response: 256 KiB each. A factory work budget can skip an item with batch_work_limit; finance and exact decimal power/root/expression tools use the full factory allowance. Send additional factory operations separately. Split refused work; successful items are never retried automatically.

saved

list_saved_tools

Tools saved in the account's library (id, version, note). Without a key: signed_in:false and no tools.

remove_saved_tool

Remove a tool id and version from the account's library. Without a key nothing changes.

activity

activity

The account's recent calls and outcomes; pass next as before for older ones. Without a key: signed_in:false.

describe

describe

Input schema, limits and examples of one ComputeFirst catalog tool, by id and version.

feedback

feedback

Tell ComputeFirst what helped or went wrong (a missing tool fits request_tool). A stable request_id makes retries safe. Leave out secrets and raw data.

profile

profile

The signed-in account: keys, privileges and tool-request status. Without a key: signed_in:false and the optional extras.

report

report_savings

Optional, for the person: your model id and, if known, your own estimate of the tokens a call saved (estimated_tokens_saved). Returns its dollar value at public list prices; unknown stays null. A measured comparison adds task_id, baseline_id, baseline, actual, whole_task:true, execution_ref.

request

request_tool

Ask for a tool that does not exist yet: the task, optionally example input and output. Optional contact_email (with email_consent:true), only if the person wants one email when it ships. Leave out secrets.

save

save_tool

Save a tool id and version to the account's library, with an optional note (saving again replaces the note). Without a key nothing is saved.

savings

savings

Savings totals, optionally for one model: with a key, the account's measured and estimated totals; otherwise community verified totals. Unmeasured is not zero.

search

Search the ComputeFirst catalog (computefirst.net/tools) with an English task. Returns up to 5 tools (3 by default) with id, version and a 0–1 score; a confident first match includes its input contract. No match: request_tool can ask for one.

sign

sign_in

Only when the person explicitly asks for a free account (consent:true): creates one for their email (unverified) and returns an agent key once, for saved tools, history, personal savings and a higher limit. The person stores the key in their client settings; do not repeat it in the conversation. newsletter:true only if they ask.

subscribe

Subscribe an email to new-tool announcements, only when the person asks for them (consent:true). Every email has an unsubscribe link.

Endpoints

URL	Transport	State	Latency	Checked
https://computefirst.net/mcp	streamable-http	answering	410 ms	8 min ago

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ComputeFirst — questions

Answers built from our own checks of this server.

What can ComputeFirst do?

It exposes 15 tools, read directly from the server on our last check. Among them: activity, describe, execute, execute_batch, feedback, list_saved_tools and 9 more. 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 →

What is ComputeFirst mostly used for?

Its tools cluster around execute and saved. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.

Is ComputeFirst working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 322 ms. The bar chart above shows every period we have measured.

How do I connect ComputeFirst?

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

Does ComputeFirst need an API key?

No. ComputeFirst completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 15 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is ComputeFirst?

It answers our handshake in 322 ms on average, which is faster than 44% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is ComputeFirst open source?

The code is open source: it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at computefirst.net, which runs on its operator's own terms.