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 · Data access / search

CollegeCalcAI

Admission chances at 1,100+ U.S. colleges, college list scoring, and federal admissions data.

Checks passed
13 / 22

1 failed · 8 not measured

Median response
516 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
5

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Outdated check

Last connection measurement is over 24 hours old. Current availability is unknown.

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?
312

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 516 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name collegecalcai.

  • Pass
    Lists tools

    tools/list returned 5 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 516 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 516 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

    39 of 40 parameters have a description (98%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-10-03T15:41:40.718822Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using CollegeCalcAI

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 collegecalcai https://collegecalcai.com/mcp

Capabilities

Tools 5

estimate_admission_chances

Estimate a student's chance of admission at one U.S. college from their GPA, test scores and context. Returns the percentage, a Reach/Target/Likely/Safety verdict, what would move the number, the school's federal admissions data, and a link to the full calculator.

Discovered
estimate_college_list

Score one student profile against up to 15 colleges at once. Returns every school sorted by chance with its verdict, the Reach/Target/Likely balance, the chance of at least one acceptance, and concrete advice to balance the list.

Discovered
find_colleges_for_score

Answer "what colleges can I get into with a ___": buckets every covered U.S. college into safety, target, reach and high reach for one SAT, ACT or unweighted GPA, using each college's real admitted-score data. Optional state filter. Returns counts and example colleges per tier.

Discovered
get_school_admissions_data

Federal admissions and outcome data for one U.S. college: applicants, admits, yield, SAT/ACT middle 50%, test policy, cost, net price after aid, graduation rate and earnings, plus the estimated chance for typical GPA and SAT combinations at that school. No student profile needed.

Discovered
search_colleges

Find U.S. colleges by name, state, public/private, and acceptance-rate range. Give a SAT score to rank schools by how close the student sits to each school's 75th percentile. Returns names to pass to the estimate tools.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected516 ms5