---
schema: "interfacedelta-service-md/1"
target_key: "sha256:bd4050a0d7f112b4acaf3361176650046030cdde918b662c2c165363511f4a79"
origin: "https://mcp.betterchess.co"
protocols: ["mcp"]
observed_at: "2026-11-12T22:05:18.652Z"
generated_at: "2026-11-13T02:25:18.091Z"
record_url: "https://interfacedelta.com/atlas/sha256:bd4050a0d7f112b4acaf3361176650046030cdde918b662c2c165363511f4a79"
record_api: "https://interfacedelta.com/api/v1/record/services/sha256:bd4050a0d7f112b4acaf3361176650046030cdde918b662c2c165363511f4a79"
source: "InterfaceDelta atlas"
license_note: "Use of this record is governed by https://interfacedelta.com/terms."
---

# Service record: https://mcp.betterchess.co

## Identity
- Origin: https://mcp.betterchess.co
- Endpoints: https://mcp.betterchess.co/
- Protocols: mcp
- Registry names: co.betterchess/betterchess
- First retained observation: 2026-11-12T22:05:18.652Z
- Latest observation: 2026-11-12T22:05:18.652Z

## Tools
- Tool 1: chess\_analyse (mcp); inputs: considering, fen, moves, multipv, pgn, traps; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":false}
- Tool 2: chess\_attacks (mcp); inputs: fen, moves, pgn, square; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":false}
- Tool 3: chess\_review (mcp); inputs: colour, moves, pgn, threshold; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":false}
- Tool 4: chess\_rig (mcp); inputs: none shown; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":false}
Tools omitted: 0.

## Effect readings (AI)
- Tool 1 purpose: ◇ AI reading; Returns an engine's top move candidates for a chess board, plus its material and check status and what a proposed move allows.; lens: tool-purpose-v1; model: not recorded.
- Tool 2 purpose: ◇ AI reading; Returns the squares a chess piece attacks from a given square, plus its type and colour, for a position given as FEN, PGN or moves.; lens: tool-purpose-v1; model: not recorded.
- Tool 3 purpose: ◇ AI reading; Returns the blunders in a finished chess game, flagging moves that swung the engine evaluation past a set threshold.; lens: tool-purpose-v1; model: not recorded.

## Change history
No changes recorded in the retained history.

## Payment rails
- Protocols observed: none.
- HTTP 402 seen in retained observations: false.

## Not covered
- We don't call tools.
- We don't rate or certify.
- We don't publish prices.
- We cover only what was observed.

## Evidence
- Identity: observed / declared; observation time: 2026-11-12T22:05:18.652Z.
- Tools: declared; observation time: 2026-11-12T22:05:18.652Z.
- Effect readings (AI): AI reading; observation time: 2026-11-12T22:05:18.652Z.
- Change history: observed; observation time: 2026-11-12T22:05:18.652Z; change observation times: none.
- Payment rails: observed; observation time: 2026-11-12T22:05:18.652Z.

```json
{
  "schema": "interfacedelta-service-md/1",
  "target_key": "sha256:bd4050a0d7f112b4acaf3361176650046030cdde918b662c2c165363511f4a79",
  "origin": "https://mcp.betterchess.co",
  "protocols": [
    "mcp"
  ],
  "observed_at": "2026-11-12T22:05:18.652Z",
  "generated_at": "2026-11-13T02:25:18.091Z",
  "record_url": "https://interfacedelta.com/atlas/sha256:bd4050a0d7f112b4acaf3361176650046030cdde918b662c2c165363511f4a79",
  "record_api": "https://interfacedelta.com/api/v1/record/services/sha256:bd4050a0d7f112b4acaf3361176650046030cdde918b662c2c165363511f4a79",
  "source": "InterfaceDelta atlas",
  "license_note": "Use of this record is governed by https://interfacedelta.com/terms.",
  "identity": {
    "origin": "https://mcp.betterchess.co",
    "endpoints": [
      "https://mcp.betterchess.co/"
    ],
    "protocols": [
      "mcp"
    ],
    "registry_names": [
      "co.betterchess/betterchess"
    ],
    "first_retained_observation": "2026-11-12T22:05:18.652Z",
    "latest_observation": "2026-11-12T22:05:18.652Z"
  },
  "tools": [
    {
      "name": "chess_analyse",
      "protocol": "mcp",
      "inputs": [
        "considering",
        "fen",
        "moves",
        "multipv",
        "pgn",
        "traps"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": false
      },
      "effects": null,
      "purpose": {
        "marker": "◇ AI reading",
        "text": "Returns an engine's top move candidates for a chess board, plus its material and check status and what a proposed move allows.",
        "lens": "tool-purpose-v1",
        "model": null
      }
    },
    {
      "name": "chess_attacks",
      "protocol": "mcp",
      "inputs": [
        "fen",
        "moves",
        "pgn",
        "square"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": false
      },
      "effects": null,
      "purpose": {
        "marker": "◇ AI reading",
        "text": "Returns the squares a chess piece attacks from a given square, plus its type and colour, for a position given as FEN, PGN or moves.",
        "lens": "tool-purpose-v1",
        "model": null
      }
    },
    {
      "name": "chess_review",
      "protocol": "mcp",
      "inputs": [
        "colour",
        "moves",
        "pgn",
        "threshold"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": false
      },
      "effects": null,
      "purpose": {
        "marker": "◇ AI reading",
        "text": "Returns the blunders in a finished chess game, flagging moves that swung the engine evaluation past a set threshold.",
        "lens": "tool-purpose-v1",
        "model": null
      }
    },
    {
      "name": "chess_rig",
      "protocol": "mcp",
      "inputs": [],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": false
      },
      "effects": null
    }
  ],
  "tools_omitted": 0,
  "tools_state": "recorded",
  "changes": [],
  "payment_rails": {
    "protocols": [],
    "http_402_seen": false
  },
  "not_covered": [
    "We don't call tools.",
    "We don't rate or certify.",
    "We don't publish prices.",
    "We cover only what was observed."
  ],
  "evidence": [
    {
      "section": "Identity",
      "classes": [
        "observed",
        "declared"
      ],
      "observed_at": "2026-11-12T22:05:18.652Z"
    },
    {
      "section": "Tools",
      "classes": [
        "declared"
      ],
      "observed_at": "2026-11-12T22:05:18.652Z"
    },
    {
      "section": "Effect readings (AI)",
      "classes": [
        "AI reading"
      ],
      "observed_at": "2026-11-12T22:05:18.652Z"
    },
    {
      "section": "Change history",
      "classes": [
        "observed"
      ],
      "observed_at": "2026-11-12T22:05:18.652Z",
      "observation_times": []
    },
    {
      "section": "Payment rails",
      "classes": [
        "observed"
      ],
      "observed_at": "2026-11-12T22:05:18.652Z"
    }
  ]
}
```