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

Read-only probes

MCP server · Code & DevOps

Sefaria Library

By sefaria-mcp.shimonkolodny.workers.dev

Access Sefaria's library of Jewish texts, commentaries, and learning schedules via MCP

Website
Connect to Sefaria Library
Checks passed
10 / 22

4 failed · 8 not measured

Median response
118 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
9

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Outdated check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?
310
Publisher identityCan the publisher be traced to its source?
132

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 118 ms.

  • Pass
    Valid handshake

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

  • Pass
    Lists tools

    tools/list returned 9 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 118 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 118 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

    14 of 14 parameters have a description (100%). The bar is 80%.

  • Fail
    Safety hints

    9 tools set neither readOnlyHint nor destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Fail
    Website matches publisher

    The website host does not match 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.

  • Fail
    Recently updated

    Updated 2026-05-14T23:34:47.569214Z, which is older than 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using Sefaria Library

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 sefaria-library https://sefaria-mcp.shimonkolodny.workers.dev/mcp

Capabilities

Tools 9

get_calendars

Returns daily learning schedules (Parashat Hashavua, Daf Yomi, etc.) for a specific date

Discovered
get_index

Returns metadata for a specific text, such as section names and categories

Discovered
get_links

Returns a list of known connections (commentary, citations, etc.) for a specific text segment

Discovered
get_shape

Returns the structure and section counts for a specific text reference

Discovered
get_text

Retrieve the text and metadata for a specific reference (e.g., 'Genesis.1.1' or 'Berakhot 2a')

Discovered
get_toc

Returns the table of contents for all texts in the library, grouped by category

Discovered
get_topics

Returns a list of JSON objects containing metadata for topics in the database

Discovered
get_versions

Returns available text versions for a specific reference

Discovered
search_texts

Search the Sefaria library for a query string.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected118 ms9

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