MCP server

Toolbox

com.allthepossibles/toolbox

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Small tools for agent builders: AI-writing tells, tools/list token cost, CLAUDE.md lint, and more.

Working at last checkVerified publisher: allthepossibles.comAbout 2,240 tokens per request once connected14 tools

Website

https://toolbox.allthepossibles.com/mcp

At a glance

Type: MCP server
Publisher: allthepossibles.com (verified by the MCP Registry)
Status: Working at last check
Tools: 14
Token cost: About 2,240 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http toolbox https://toolbox.allthepossibles.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.toolbox]
url = "https://toolbox.allthepossibles.com/mcp"

Gemini CLI

{"mcpServers":{"toolbox":{"httpUrl":"https://toolbox.allthepossibles.com/mcp"}}}

Cursor

{"mcpServers":{"toolbox":{"url":"https://toolbox.allthepossibles.com/mcp"}}}

VS Code

{"servers":{"toolbox":{"type":"http","url":"https://toolbox.allthepossibles.com/mcp"}}}

Antigravity

agy mcp add toolbox https://toolbox.allthepossibles.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"toolbox","server_url":"https://toolbox.allthepossibles.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"toolbox","server_url":"https://toolbox.allthepossibles.com/mcp"}

Tools

check_ai_crawlers ~120 tokens
Read a site's robots.txt and report which AI crawlers (GPTBot, ClaudeBot, Google-Extended, PerplexityBot, CCBot, Bytespider and more) are allowed, blocked or partially blocked; check for llms.txt and draft one from the site's metadata and sitemap.
check_headers ~134 tokens
Fetch a URL once and grade its response headers: HSTS, Content-Security-Policy, X-Content-Type-Options, frame control, Referrer-Policy, Permissions-Policy, Cache-Control, cookie Secure/HttpOnly/SameSite flags, and server version leaks. Returns a grade, a score and the exact header to add for each ga
check_page_meta ~128 tokens
Fetch a URL and report what crawlers and link unfurlers see: title and meta description with lengths, canonical, lang, viewport, robots meta, h1s, Open Graph and Twitter card tags, favicon, JSON-LD types, the resulting preview card, and findings for anything missing or too long.
check_sitemap ~198 tokens
Check a site's sitemaps: discovers them from robots.txt, /sitemap.xml and /sitemap_index.xml, reads index files one level deep (20 children max), counts URLs per file and per host, summarises lastmod, and fetches a sample of URLs (HEAD, then GET) to count the ones that are not 200. Flags a missing s
check_tells ~142 tokens
Check text for AI-writing tells (em-dashes, 'not just X but Y', rule-of-three lists, stock vocabulary like delve or seamlessly, hedge words, smart quotes, hidden Unicode) and return a score, each tell with its position, and a cleaned copy. Run it on anything you are about to publish on a human's beh
decode_jwt ~172 tokens
Decode a JWT's header and payload without verifying the signature (it never takes a secret). Returns the claims with iat, nbf and exp as ISO times, a plain-text expiresIn, issuer, subject and audience, and findings: alg none, HS* with a URL-like kid, missing or distant exp, expired, nbf or iat in th
explain_cron ~177 tokens
Explain a five-field cron expression in plain English, list the next runs in UTC, and warn about the cases Cloudflare Workers, GitHub Actions and crontab handle differently (nicknames, six fields, day-of-month plus day-of-week, sub-5-minute intervals, day 31).
json_to_schema ~163 tokens
Turn a JSON sample (or an array of samples of the same shape) into a JSON Schema draft 2020-12 and a TypeScript type. Infers required vs optional keys across samples, nullable fields, integer vs number, date/email/uri/uuid formats, and small enums. Use it to draft an MCP tool inputSchema from an exa
lint_agent_md ~140 tokens
Lint a CLAUDE.md, AGENTS.md or MEMORY.md: line count against Claude Code's 200-line memory index cap, estimated tokens, duplicate lines, contradicting rules, leftover TODO markers, hidden characters, empty headings.
lint_mcp_tools ~209 tokens
Lint the tools an MCP server lists, from the model's side of the wire: names that break Claude's ^[a-zA-Z0-9_-]{1,64}$ rule, duplicate names, missing or near-identical descriptions, instruction-like text in a description, arguments with no description, required arguments missing from properties, des
manifest_cost ~154 tokens
Estimate what an MCP server's tools/list costs in tokens on every session start, per tool, with the three most expensive tools and flags for oversized descriptions, base64 blobs and echoed schemas. Pass a live Streamable HTTP endpoint or a tools array.
mcp_install_snippets ~142 tokens
Generate install snippets for an MCP endpoint (Claude Code, Claude Desktop, Cursor, Codex, VS Code, curl) and probe the endpoint once to confirm it answers initialize and tools/list.
scrub_env ~207 tokens
Scrub a .env file into a safe .env.example: every value is blanked or replaced with a placeholder that keeps its shape (postgres://USER:PASSWORD@HOST/DB). Returns the example, the secrets found (AWS, GitHub, Stripe, Slack, Google, OpenAI, Anthropic, Resend, SendGrid, Twilio, Cloudflare, JWTs, privat
trace_redirects ~154 tokens
Trace a URL's redirect chain hop by hop (up to 10 hops, 8 s each) with status, location, timing and scheme per hop. Flags chains over two redirects, loops, HTTPS-to-HTTP downgrades, 302s used for www or https canonicalisation, dropped paths or query strings, cross-domain moves, meta-refresh or JS re

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