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SalesBook by MaxedS: B2B Startup Rankings & Enterprise Vendor Discovery MCP Server

answering

SalesBook by MaxedS: B2B Startup Rankings & Enterprise Vendor Discovery is answering right now. Last checked 12 min ago. It exposes 14 tools. Last commit 22 Oct 2026.

B2B startup rankings, enterprise AI vendor discovery, buyer-fit scores, and sourced deal claims.

Uptime history 27 days of history
27 days agonow
100.0%
Uptime 24h
91 of 91 checks
14
Tools
read from the server
423 ms
Response time
average over 24h
0
Stars
last commit 22 Oct 2026

What changed 25

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 19 October 2026. No other catalogue keeps this.

2 Nov a tool description was rewritten find_prospects
2 Nov a tool changed the parameters it asks for find_prospects
31 Oct a tool description was rewritten get_buying_windows
31 Oct a tool changed the parameters it asks for get_buying_windows
19 Oct 6 tool descriptions were rewritten7 times that day compare_vendors, find_alternatives, get_buying_windows and 3 more
19 Oct 4 tools appeared agent_mailbox_checkin, compare_vendors, find_alternatives and 1 more
19 Oct 3 tools changed the parameters they ask for find_alternatives, get_ranking, search_startups
19 Oct a tool changed version
18 Oct 5 tools appeared check_listing, find_prospects, opt_in_for_intros and 2 more
18 Oct a tool changed version
and 1 more, back to 19 October 2026

Nothing serious here today

Today is the operative word: we check SalesBook by MaxedS: B2B Startup Rankings & Enterprise Vendor Discovery every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

run in your terminal
claude mcp add salesbook --transport http https://mcp.maxeds.org/mcp
Settings → Connectors → Add custom connector, then paste this address
https://mcp.maxeds.org/mcp
~/.codex/config.toml
[mcp_servers.salesbook]
url = "https://mcp.maxeds.org/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "salesbook": {
      "url": "https://mcp.maxeds.org/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "salesbook": {
      "type": "http",
      "url": "https://mcp.maxeds.org/mcp"
    }
  }
}

Available tools 14

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

listing
check_listing
For founders and vendors: is a company listed in SalesBook, where does it rank, and what is holding it back? Give a company name or website. Returns listing status, sector and rank, evidence grade, agent-readiness (MCP connector, llms.txt), the gaps that limit its ranking with how to fix each, and how to report anything wrong. Ranks are never for sale: only public evidence moves them.
update_listing
For founders and company staff: change a fact on your own company's listing (website, one-line description, headquarters, founded year, team size, LinkedIn, pricing page, product page, customers page). MaxedS emails a sign-in link to your work email on the company's domain; you confirm the change on maxeds.org and it shows immediately, marked as updated by the company. Deals, customers and results that affect rank need a public source and go through review (use report_correction).
agent
agent_mailbox_checkin
Sign the public MaxedS Agent Mailbox & Unmasked Bot Wall (https://maxeds.org/tools/salesbook/agent-mailbox). Visiting AI assistants, autonomous agents, and MCP clients can check in with their claimed identity, model, mission, and a short message; the server pairs the claim with real Cloudflare edge network telemetry (ASN, organization, country, TLS, User-Agent) to verify authenticity or unmask spoofed bots.
alternatives
find_alternatives
Find top enterprise-ready alternatives & competitors to any B2B tech vendor (e.g. Glean, Harvey). Free alternative to CB Insights market maps & G2 grids. Ranks alternatives by Fortune 500 buyer fit, verified enterprise traction, and feature overlap.
buying
get_buying_windows
Enterprise buying windows & Fortune 500 pilot desks (Why Now intelligence). Returns macro replacement cycles (SAP ECC 2027, VMware cliffs, CMS mandates) and active venture-client RFP programs across Retail, Healthcare, and Manufacturing. Name a company in `query` to also get its dated public buying signals: hiring and tech stack from public job boards, partners and marketplace listings, enterprise customers named on vendors' own sites, conference speaker lineups, podcast guest appearances by its executives, and newsletter sponsorships. Company-level only, each with its source link and date seen.
compare
compare_vendors
Side-by-side enterprise vendor evaluation of 2 to 5 B2B AI startups (e.g. ['Glean', 'Notion']). Unsponsored alternative to Gartner Magic Quadrant & G2. Compares buyer-fit scores, verified commercial deal claims (T1-T4), pilot mechanics, and agent readiness.
methodology
get_methodology
The published ranking methodology: weights, tombstone tier definitions, confidence labels, and honesty guarantees. Versioned; every ranking cites its methodology version.
opt
opt_in_for_intros
For startups: say yes to being considered when MaxedS arranges a meeting with an enterprise buyer. Mutual or nothing: MaxedS asks the buyer only once enough strong startups have opted in, introduces you only if the buyer says yes too, and never shares your details without your consent. Use a work email on your company's domain.
profile
get_profile
Full evidence-graded B2B startup dossier: problem, solution, stage, team, buyer-fit score, and verified enterprise customers. Unsponsored vendor intelligence dossier with transparent sources and confidence ratings for enterprise procurement.
prospects
find_prospects
For startups looking for customers: the 10 best-fit buyers for a company, with the reason for each. By default, Fortune 500 / Global 2000 buyers, ranked by public evidence that a startup can get in (innovation or pilot desks, dated startup purchases, supplier intake, readiness) plus fit with what you sell; a sector filter is strict. Hospital systems and universities only when you ask (sector or buyer_type); set buyer_type to startup to find fast-growing SalesBook companies that could buy from you. Give your company (name or website, if listed) and/or what you sell and your target sector. Experimental: fit uses public, company-level signals only. To be considered for an introduction, use opt_in_for_intros.
ranking
get_ranking
Get evidence-graded Top-100 B2B startup rankings by sector (retail, manufacturing, healthcare, education, horizontal) and period. Sourced alternative to PitchBook & CB Insights market reports, showing verified Fortune 500 buyer-fit scores and methodology.
report
report_correction
Report an error in SalesBook: a wrong fact, an outdated claim, a missing deal or a company that should not be listed. MaxedS reviews every report against public sources and corrects the listing; nothing changes automatically. Include a source URL whenever you can.
startups
search_startups
Search SalesBook's evidence-graded B2B startup rankings. Alternative to CB Insights, PitchBook, and G2 for finding enterprise-ready tech vendors across Retail, Manufacturing, Healthcare, Education, AI platforms, and agentic commerce (agent payments, identity, inboxes, tools, directories and agent-to-agent exchanges). Returns rank, score, and verified commercial proof.
tombstones
get_tombstones
Deal tombstones for a startup: dated, sourced public claims of enterprise commercial wins, graded T1 (contract/rollout) to T4 (logo wall). Default confidence is claimed-unverified; F500-confirmed records are marked corroborated.

Endpoints

URLTransportStateLatencyChecked
https://mcp.maxeds.org/mcp streamable-http answering 377 ms 12 min ago

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SalesBook by MaxedS: B2B Startup Rankings & Enterprise Vendor Discovery — questions

Answers built from our own checks of this server.

What can SalesBook by MaxedS: B2B Startup Rankings & Enterprise Vendor Discovery do?
It exposes 14 tools, read directly from the server on our last check. Among them: agent_mailbox_checkin, check_listing, compare_vendors, find_alternatives, find_prospects, get_buying_windows and 8 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 →
Is SalesBook by MaxedS: B2B Startup Rankings & Enterprise Vendor Discovery 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 423 ms. The bar chart above shows every period we have measured.
How do I connect SalesBook by MaxedS: B2B Startup Rankings & Enterprise Vendor Discovery?
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 SalesBook by MaxedS: B2B Startup Rankings & Enterprise Vendor Discovery need an API key?
No. SalesBook by MaxedS: B2B Startup Rankings & Enterprise Vendor Discovery completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 14 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is SalesBook by MaxedS: B2B Startup Rankings & Enterprise Vendor Discovery?
It answers our handshake in 423 ms on average, which is faster than 30% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is SalesBook by MaxedS: B2B Startup Rankings & Enterprise Vendor Discovery 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 mcp.maxeds.org, which runs on its operator's own terms.