io.github.b2bsearch/mcp
b2bsearch: B2B contacts and account signals
Is the b2bsearch MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-01.
B2B contacts and account signals on Apify: new hires, email format, lookalikes, decision makers.
alive probed 2026-11-14 · unchanged since 2026-11-01
- Run it
- npx -y @b2bsearch/mcp@0.1.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- b2bsearch 0.1.1
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.4 % of a 1M context window
- Count
- 3.7k tokens in Claude Opus 5.5, exact, measured 2026-10-31. With the Claude Code prefix mcp__…__ on each tool name: 3.8k. The o200k_base estimate is 2.2k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/b2bsearch/mcp
- Website
- https://apify.com/b2bsearch
- Registry
- active, updated 2026-10-30 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.71×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| search_people | 958 | 561 | 26 % |
| find_new_hires | 814 | 477 | 22 % |
| find_lookalike_companies | 589 | 345 | 16 % |
| find_decision_makers | 560 | 328 | 15 % |
| company_email_format | 415 | 243 | 11 % |
Compare this server with others, or with the servers that share its tool set.
Same tool set as 1 other server
These registry entries have the same tool names and the same schema sizes.
- io.github.keyvwin/mcp npmjs.com
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- Path402 — Tokenised Web Content for AI Agents io.github.b0ase/path402 · install failed
- io.github.b1ff/atlassian-dc-mcp-bitbucket · needs env
- io.github.b1ff/atlassian-dc-mcp-confluence · needs env
- io.github.b1ff/atlassian-dc-mcp-jira · needs env
- Bambu Lab Printer (LAN) io.github.b84330808/mcp-server-for-bambu · alive
- slivingdoc io.github.baalimago/slivingdoc · needs network
- Babelize io.github.babelize/mcp · alive
- io.github.babelwrap/babelwrap-mcp · error
Servers that mention b2bsearch or contacts or account.
- b2bsearch: B2B contacts and account signals io.github.keyvwin/mcp · alive
- AdAdvisor MCP Server ai.adadvisor/mcp-server · needs auth
- Inside Ads ad.inside/inside-ads · alive
- AIﾉアカリ☆ One-Minute Akari ai.ai-akari/one-minute-akari · paid (402)
- ai.augmentev/paseo · needs auth
- ai.aqta/seal · alive
- Google Ads ai.b77/google-ads · needs auth
- Bindry ai.bindry/bindry · needs auth
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.