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

Little Green Light MCP by usefulapi

Search Little Green Light donors, gifts, notes and memberships, and add gifts and contact reports.

Checks passed
13 / 22

1 failed · 8 not measured

Median response
60 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
20

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Outdated check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?
402

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 60 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name little-green-light-mcp.

  • Pass
    Lists tools

    tools/list returned 20 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 60 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 60 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.

  • Fail
    Parameters documented

    100 of 132 parameters have a description (76%). 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.

  • Pass
    Source repo linked

    A 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 2026-11-10T23:33:43.571856Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using Little Green Light MCP by usefulapi

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 little-green-light-mcp-by-usefulapi https://little-green-light.usefulapi.io/mcp

Capabilities

Tools 20

lgl_create_constituent

WRITE: add a new constituent (person or organization) to the account, optionally with email addresses, phone numbers, street addresses and group memberships. LGL's schema marks first_name, last_name and email_addresses as required. Search first (lgl_search_constituents) to avoid creating a duplicate. LGL: POST /api/v1/constituents.

Discovered
lgl_create_contact_report

WRITE: log a contact report (a call, email or meeting with a constituent). text is required; the type may be given by id or name (e.g. 'Call'; see lgl_list_type_values type=contact_report_types). LGL: POST /api/v1/constituents/{constituent_id}/contact_reports.

Discovered
lgl_create_gift

WRITE: record a gift (donation, pledge payment, in-kind, etc.) on a constituent's record. This writes a CRM record of a gift that already happened — it does NOT charge a card or move money. Give gift_type_id or gift_type_name (required; see lgl_list_type_values type=gift_types). Fund, campaign, appeal, event, gift category and payment type may each be given by id or by exact name. Set ack_template_name to 'do_not_ack' to skip acknowledgment. LGL: POST /api/v1/constituents/{constituent_id}/gifts.

Discovered
lgl_create_note

WRITE: add a note to a constituent's record. text and original_date are required; the note type may be given by id or name (e.g. 'General'; see lgl_list_type_values type=note_types). LGL: POST /api/v1/constituents/{constituent_id}/notes.

Discovered
lgl_get_constituent

Full details for one constituent by LGL id: names, salutations, addresses, phone numbers, email addresses, groups, memberships and custom attributes. LGL: GET /api/v1/constituents/{id}.

Discovered
lgl_get_gift

Full details for one gift by id: amount, deductible amount, dates, fund/campaign/appeal/event, payment type, acknowledgment template, tribute and custom fields. LGL: GET /api/v1/gifts/{id}.

Discovered
lgl_list_appeals

Fundraising appeals (mailings, emails, asks) with campaign, date, financial goal, cost and active flag. Use the ids and names when recording gifts or filtering searches. LGL: GET /api/v1/appeals.

Discovered
lgl_list_campaigns

Campaigns with start/end dates, financial goal, code and active flag. Use the ids and names when recording gifts or filtering searches. LGL: GET /api/v1/campaigns.

Discovered
lgl_list_constituent_contact_reports

Contact reports (calls, emails, meetings) logged for a constituent, with type, date, text and team member. LGL: GET /api/v1/constituents/{constituent_id}/contact_reports.

Discovered
lgl_list_constituent_gifts

A constituent's giving history: every gift with amount, date, gift type, fund, campaign, appeal, event and payment type. LGL: GET /api/v1/constituents/{constituent_id}/gifts.

Discovered
lgl_list_constituent_memberships

A constituent's memberships: level, start date and finish date — use it to see whether someone is current or lapsed. LGL: GET /api/v1/constituents/{constituent_id}/memberships.

Discovered
lgl_list_constituent_notes

Notes recorded on a constituent (type, text, original date). LGL: GET /api/v1/constituents/{constituent_id}/notes.

Discovered
lgl_list_events

Events (galas, lunches, board weekends) with dates, campaign, event type, goal and active flag. Use the ids and names when recording gifts or filtering searches. LGL: GET /api/v1/events.

Discovered
lgl_list_funds

Funds (where gifts are designated) with campaign, code, financial goal and active flag. Use the ids and names when recording gifts or filtering searches. LGL: GET /api/v1/funds.

Discovered
lgl_list_groups

Constituent groups (e.g. Board Member, Staff, Volunteer) with their ids and keys. Use the ids and names when recording gifts or filtering searches. LGL: GET /api/v1/groups.

Discovered
lgl_list_team_members

LGL user accounts on the team (name, email, admin flag) — the values a gift or contact report's team_member refers to. Use the ids and names when recording gifts or filtering searches. LGL: GET /api/v1/team_members.

Discovered
lgl_list_type_values

The account's configured lookup values for one type — the ids and names other tools accept. gift_types, payment_types and gift_categories come from their own endpoints (GET /api/v1/gift_types, /payment_types, /gift_categories — the last optionally filtered by gift_type_id); every other type from GET /api/v1/types/{type} (contact_report_types, note_types, appeal_types, event_types, email/phone/street/web address types, mailing_types, volunteering_categories, list_types).

Discovered
lgl_search_constituents

Search active constituents (donors, members, volunteers, organizations). Give `name` and/or `email` for the common case, or raw `terms`. Available term fields: name, eaddr (email contains), phone_number, street, city, state (2-letter), postal_code, country, keyword (keyword id), updated_from / updated_to (YYYY-MM-DDTHH:MM:SSZ), membership_status (0 lapsed, 1 active), membership_level (comma-separated ids), membership_end_date_from / _to (YYYY-MM-DD), external_id, constituent_type (0 individual, 1 organization), groups (comma-separated group ids), lists (comma-separated list ids), custom_attr (key|op|value). At least one term is required. LGL: GET /api/v1/constituents/search.

Discovered
lgl_search_gifts

Search active gifts across the account — e.g. everything received in a date range, or gifts to one fund or campaign. Give date/updated bounds and/or raw `terms`. Available term fields: date_from / date_to (YYYY-MM-DD), gift_types (in|ni + comma ids, e.g. in|1,7), gift_amount (gte|lte|btw|gt|lt|eq|ne + number[s], e.g. btw|100|1000), payment_types, campaigns, funds, appeals, events, categories (in|ni|bl + comma ids), appeal_types, event_types, constituent_type (0/1), gift_ids, external_gift_ids, created_from / created_to and updated_from / updated_to (YYYY-MM-DDTHH:MM:SSZ). At least one term is required. LGL: GET /api/v1/gifts/search.

Discovered
lgl_update_constituent

WRITE: change scalar fields on an existing constituent (name, salutation, job title, org name, deceased flag, etc.). Only the fields you pass are sent. LGL's update schema marks first_name and last_name as required, so pass the current values (from lgl_get_constituent) if you are not changing them. Addresses, emails and phones are not edited here. LGL: PATCH /api/v1/constituents/{id}.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected60 ms20