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Persimmon

R0· no sign-in

Brand-intelligence MCP: momentum scoring, signal evidence, and competitive context for agents.

v0.1.1 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality79good
Trust89of 100
Uptime, 30 days100%
Latency p50278 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "persimmon": {
      "type": "http",
      "url": "https://mcp.persimmonhq.com/mcp"
    }
  }
}
claude mcp add --transport http persimmon https://mcp.persimmonhq.com/mcp
[mcp_servers.persimmon]
url = "https://mcp.persimmonhq.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "persimmon": {
      "type": "remote",
      "url": "https://mcp.persimmonhq.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "persimmon": {
      "type": "http",
      "url": "https://mcp.persimmonhq.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=persimmon&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLnBlcnNpbW1vbmhxLmNvbS9tY3AifQ%3D%3D"
}
{
  "servers": {
    "persimmon": {
      "type": "http",
      "url": "https://mcp.persimmonhq.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "persimmon": {
      "httpUrl": "https://mcp.persimmonhq.com/mcp"
    }
  }
}
extensions:
  "persimmon":
    enabled: true
    name: "persimmon"
    type: streamable_http
    uri: "https://mcp.persimmonhq.com/mcp"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: get_momentum_index (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_brand_signals (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_competitive_context (readOnlyHint, destructiveHint, idempotentHint, openWorldHint)
  • pass
    tools.token_costabout 466 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

3 tools, about 466 tokens to load them all · tool set 5b0930409333 · checked 2026-10-20 11:08 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 89 / 100

provenance85
liveness100
freshness65
hygiene100

+repository +dns-namespace +website +reachable +uptime-100% ~updated-167d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://mcp.persimmonhq.com/mcp streamable-httpnoneyes100%278 ms2025-06-182026-10-20

Tools (3)

get_brand_signalsUse this when an agent needs the recent harvested signals (each with text, tier, score, and source URL) backing a brand's score. Public-citable signals only — internal-only items are filtered before emit. Always carries a coverage_status describing why a list may be empty.
get_competitive_contextUse this when an agent needs a brand's competitor set, peer momentum snapshots, and a deterministic competitive-position one-liner. Excludes peers without real signal coverage (scaffold tier). Always carries a coverage_status describing the result.
get_momentum_indexUse this when an agent needs Persimmon's deterministic momentum score for a specific brand or the top of the index. Returns composite score plus four dimensions (Draw, Surge, Wedge, Hold), tier band, signal count, and last-updated timestamp. Pure read; no LLM calls in scoring.

Schemas: list_tools.

Also listed as

1 other active names share this repository: com.spannhq/stays

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Official server.json
{
  "name": "com.persimmonhq/persimmon",
  "title": "Persimmon",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://mcp.persimmonhq.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.1.1",
  "repository": {
    "url": "https://github.com/machiasturner/simmon-core",
    "source": "github"
  },
  "websiteUrl": "https://persimmonhq.com",
  "description": "Brand-intelligence MCP: momentum scoring, signal evidence, and competitive context for agents."
}