# PreReason (slim)

> PreReason, an MCP server by prereason.com, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Bitcoin and macro market briefings for AI agents: trend signals, regimes, liquidity and ETF flows.

- Full: https://www.anchorterminal.com/tools/prereason-mcp.md (~850 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/tools/prereason-mcp.json · canonical https://www.anchorterminal.com/tools/prereason-mcp
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

# PreReason

> Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: MCP server, by prereason.com (https://www.prereason.com)
- Listed because: It's published in the registry under prereason.com, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: Bitcoin and macro market briefings for AI agents: trend signals, regimes, liquidity and ETF flows.

## Facts

- MCP registry: `com.prereason/mcp` 0.8.0
- Endpoint: https://api.prereason.com/api/mcp (streamable HTTP)
- Package: npm `@prereason/mcp` (stdio)
- Source: https://github.com/PreReason/mcp
- Website: https://www.prereason.com
- npm downloads a week: 118
- GitHub stars: 5
- Registry entry updated: 2026-09-21

## Tools

- Tools it lists (6, about 4,292 tokens of context, `tools/list` without credentials over MCP 2025-11-25, checked 2026-10-04 22:23 UTC):
  - `list_briefings` (read-only): List all available pre-reasoned market briefings with tier requirements. Returns 25 LIVE briefings across Free (6), Basic (8), and Pro (11) tiers. The company…
  - `list_metrics` (read-only): List all available individual metrics (220 metrics across bitcoin, calculated, eth, macro categories). Includes Bitcoin price, hash rate, Fed balance sheet, M2…
  - `get_health` (read-only): Check API health status, version, and available endpoints. No authentication required.
  - `get_context` (read-only): Get a pre-reasoned market briefing with trend signals and confidence scores, plus regime classification and causal narratives in the briefings that carry them,…
  - `get_metric` (read-only): Get a single metric with pre-reasoned signal interpretation, trend analysis (7d/30d/90d), confidence score with factor breakdown, momentum, and percentile…
  - `get_changes` (read-only): What changed since your last call: the change events PreReason records. A live briefing's state label changing, a tracked release becoming known, and, for the…
- How its tools read to an agent (0 errors, 2 warnings, 1 note, about 4,292 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):
  - warn TC07 get_metric: the description is about 1,352 tokens
  - warn TC22 get_metric: the definition is about 2,690 tokens
  - note TC24 server: 6 of 6 tools have no outputSchema

- JSON: https://www.anchorterminal.com/api/v1/tools/prereason-mcp.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming