# Parlay (remote · mcp.parlay.run)

Read-only MCP server for live Polymarket, Kalshi, Limitless odds; Manifold sentiment.

- Trust score: 71/100 (medium)
- Change this week: +7
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- remote · `mcp.parlay.run`: 71/100 (this document), [markdown](https://verifymcp.io/servers/run-parlay-parlay/mcp.md), [page](https://verifymcp.io/servers/run-parlay-parlay/mcp)

## Channel facts

- Endpoint: `https://mcp.parlay.run/mcp`
- Transports: `streamable-http`
- Auth: `none`
- Version: `1.0.1`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-03.

- **Endpoint Security**: 78/100
  - The endpoint's TLS certificate is valid, in date, and uses a strong key.
  - Authorisation is enforced on tool calls, advertised via RFC 9728 protected-resource metadata. Discovery is public, which costs nothing: no tool can be invoked without a token.
  - HTTPS not yet verified: we couldn't determine whether a plaintext access path exists.
  - HSTS check failed: the Strict-Transport-Security header is absent.
  - DNSSEC check failed: this domain isn't protected by DNSSEC.
  - The authorisation server offers only Dynamic Client Registration (RFC 7591), which MCP 2026-07-28 deprecated in favour of Client ID Metadata Documents.
- **Transport & Reachability**: 100/100
  - Verified streamable-http transport via a live MCP handshake.
- **Schema Quality & AI Usability**: 68/100
  - AI-judged instruction clarity (excellent).
  - Context-footprint check failed: tool/resource definitions use about 1047 tokens (~174/item across 6 items; 6 tools + 0 resources), over budget; trim descriptions and params.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 27/100
  - Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 73/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 20% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add --transport http run-parlay-parlay https://mcp.parlay.run/mcp
```

### Codex

```toml
[mcp_servers.run-parlay-parlay]
url = "https://mcp.parlay.run/mcp"
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "run-parlay-parlay": {
      "type": "remote",
      "url": "https://mcp.parlay.run/mcp",
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add run-parlay-parlay --url https://mcp.parlay.run/mcp --transport streamable-http
```

### Hermes

```yaml
mcp_servers:
  run-parlay-parlay:
    url: "https://mcp.parlay.run/mcp"
```

### Other

```json
{
  "mcpServers": {
    "run-parlay-parlay": {
      "type": "http",
      "url": "https://mcp.parlay.run/mcp"
    }
  }
}
```

The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-02 (score 71, +1)

No change was recorded against any check on this day. Stability & Change Management went from 20 to 23. That category is still filling its 30-day observation window: 6 days of observed history at the previous scan, 7 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-07-31 (score 70, +5)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-30 (score 65, 0)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-29 (score 65, +1)

No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-07-27 (score 64, +1)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-26 (score 63)

First indexed and scored.

## MCP tools (6)

### `search_markets` (~135 tokens)

Search prediction markets

Search live prediction markets and event contracts across Polymarket, Kalshi, Limitless (real-money) and Manifold (sentiment). Use for queries on election odds, political markets, Fed rate decisions, crypto prices, sports outcomes, geopolitics, and other binary markets with crowd-sourced probabilities. Returns unified results with title, current probability, volume, liquidity, expiration, source venue, and risk flags. For topic synthesis use `market_brief`; for browsing trending markets use `discover_markets`.

Input parameters:

- `limit` (number)
- `query` (string, required)
- `real_money_only` (boolean)

### `discover_markets` (~126 tokens)

Discover trending markets

Browse trending, high-volume, fast-moving, or high-disagreement prediction markets across Polymarket, Kalshi, Limitless, and Manifold. Use when the user wants to explore what's happening — "what's hot on Polymarket today", "show me biggest political markets", "what events are ending soon" — rather than search a specific topic. Filter by category and sort by volume, newest, or ending soon.

Input parameters:

- `category` (string)
- `limit` (number)
- `real_money_only` (boolean)
- `sort_by` (string)

### `compare_markets` (~122 tokens)

Compare markets across venues

Compare the same event contract across Polymarket, Kalshi, and Limitless side-by-side: probability, liquidity, settlement rules, and venue type. Use when the user wants to know "what's the spread between Polymarket and Kalshi on X" or "which venue has better liquidity for Y". Returns match confidence buckets (high/medium/low) and explains any mismatches. Real-money venues only — Manifold is excluded because play-money pricing isn't comparable to real-money.

Input parameters:

- `limit` (number)
- `query` (string, required)

### `scan_discrepancies` (~369 tokens)

Scan cross-venue discrepancies

Surface cross-venue price discrepancies between Polymarket, Kalshi, and Limitless as a discovery feed for price discovery and divergence detection. Default threshold is 0.5% spread, below typical round-trip fees — most results are informational, not tradable arbitrage. Raise `min_spread` to 0.03+ for after-fee opportunities. The optional `query` parameter post-filters results by topic keywords on event titles — it does not perform a topic search; for topic-driven retrieval use `discover_markets` or `search_markets`. Pairs with missing volume data on at least one venue are flagged 'volume_unconfirmed'. All results are indicative only — not trade recommendations. Real-money venues only. Orderbook depth is not confirmed in Phase 1.

Input parameters:

- `limit` (number)
- `min_spread` (number): Minimum price gap to report (0.005 = 0.5%, 0.03 = 3 percentage points). Default 0.005 surfaces price discovery signals, most of which are below typical 4% round-trip fees and therefore informational…
- `min_volume` (number): Minimum 24h USD volume on the thinner side of each pair. Pairs where at least one venue has missing volume data are kept but tagged with risk_flag 'volume_unconfirmed'. Set to 0 to disable.
- `query` (string): Optional post-filter on event titles by topic keywords (e.g. 'crypto', 'election', 'fed'). This filters the discovery feed locally — it is not a topic search and may return zero results when today's…

### `market_brief` (~189 tokens)

Generate market brief

Generate a synthesized brief for a topic, combining real-money signals from Polymarket, Kalshi, and Limitless with Manifold community sentiment. Use for analytical queries like "what do markets think about the 2028 election", "odds on a Fed rate cut", or "how is crypto priced for year-end". Returns top markets by volume, cross-venue divergences, venue coverage, and risk flags. For raw market lists use `search_markets`.

Input parameters:

- `limit` (number)
- `min_volume` (number): Minimum 24h USD volume per market. Real-money markets with missing volume data are kept but tagged with risk_flag 'volume_unconfirmed'. Sentiment markets (Manifold) are exempt — their volume is denom…
- `real_money_only` (boolean)
- `topic` (string, required)

### `inspect_platform` (~106 tokens)

Inspect platform

Inspect a single named venue. Returns available capabilities, market data for the query, and metadata quality flags. Use when the user explicitly names a venue — "show me Polymarket markets on AI", "what's on Kalshi for Q4 inflation", "Manifold markets about geopolitics". For cross-venue queries use `search_markets` or `compare_markets`.

Input parameters:

- `limit` (number)
- `platform` (string, required)
- `query` (string, required)

## Diagnostics

Captured diagnostic sections: TLS, DNSSEC, Authorisation, Transports. The full working is on the page: https://verifymcp.io/servers/run-parlay-parlay/mcp#diagnostics

## Score history

- 2026-08-03: 71
- 2026-08-02: 71
- 2026-08-01: 70
- 2026-07-31: 70
- 2026-07-30: 65
- 2026-07-29: 65
- 2026-07-28: 64
- 2026-07-27: 64
- 2026-07-26: 63

## Links

- Remote endpoint: https://mcp.parlay.run/mcp
- Repository: https://github.com/parlay-run/parlay-mcp
- Website: https://parlay.run/
- Changelog RSS feed: https://verifymcp.io/servers/run-parlay-parlay/mcp/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/run-parlay-parlay/mcp/changelog.json
- HTML version of this page: https://verifymcp.io/servers/run-parlay-parlay/mcp