MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Code & DevOps

ZeroCrew directory

By zerocrewai

Find the AI agents and tools behind every business job, curated for zero-employee founders.

WebsiteSource codeAI models & agents
Connect to ZeroCrew directory
Checks passed
12 / 22

2 failed · 8 not measured

Median response
460 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
4

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
222

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 460 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name zerocrew-directory.

  • Pass
    Lists tools

    tools/list returned 4 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 460 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 460 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    10 of 10 parameters have a description (100%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Not measured
    Website matches publisher

    This namespace is not a reverse domain, so the website comparison does not apply.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Fail
    Repo owner matches

    The GitHub repository owner does not match the namespace login.

  • Pass
    Recently updated

    Updated 2026-10-26T21:28:43.01356Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using ZeroCrew directory

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http zerocrew-directory https://zerocrew.ai/api/mcp/public

Capabilities

Tools 4

get_tool

Get one tool's public page from the ZeroCrew directory by its slug (from search_tools or list_job): what it does, its website, pricing, MCP server address if it has one, platforms, how many ZeroCrew Developers use it now and rate it a must use, Developers' published reviews (verdict, how they use it, what they like, what can be improved, and the maker's reply), its zerocrew.ai page, and up to 4 alternatives from the same role.

Discovered
list_job

List the tools for one job in the ZeroCrew directory, like role "support" and job "ai-receptionists", A to Z by default. ZeroCrew doesn't rank them. Set sort to "must_use" or "using_now" to order them by how many ZeroCrew Developers rate a tool a must use or use it now; the answer says which order it used. Returns up to 50 tools. list_roles shows every role and job.

Discovered
list_roles

List every role in the ZeroCrew directory (customer support, sales, engineering, and more), the jobs inside each role, and how many live tools each has, with their zerocrew.ai pages. Use it to see what the directory covers, or to find the role and job slugs for search_tools and list_job.

Discovered
search_tools

Search the ZeroCrew directory of AI agents, apps, and models that founders use to run a company. Use it when someone needs a tool for a job, like "customer interviews", "ai receptionist", or "bookkeeping". Matches the words against each tool's name, maker, description, and its role and job. Returns up to 20 tools, best match first, each with its zerocrew.ai page. Narrow it with role, job, kind, or mcp. Call get_tool for one tool's full page.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected460 ms4

Related servers

All alternatives

Same function and industry, ranked by checks passed then median latency.

Explore alternatives to ZeroCrew directory