ARBITER

fyi.gripPublished by grip.fyiOfficial publisherv1.0.2Updated Oct 27, 2026

Decision arbitration, action routing, workflow control, deployment remediation, persistent memory.

VerifiedStreamable HTTPWeb executableKnowledge & MemoryAI & ML

Overview

AI-generated overview

ARBITER is a remote MCP endpoint offering two paid tools: ranking a caller-supplied set of candidates against a query, and producing persistent embeddings of…

What you can do
  • Order a finite set of caller-supplied candidates against a query, situation, intent, context or perspective
  • Generate deterministic persistent representations of supplied text for storage, indexing, retrieval, clustering or later comparison
  • Choose between immediate ranking of an explicit candidate field and reusable text representations
When to use it
Useful when an assistant already has an explicit list of candidates and needs them ordered for a given situation, or needs stable text representations to store and reuse for retrieval or clustering.
Requirements
A remote streamable HTTP endpoint at the provider's API host; no packages, environment variables or headers are declared. Both tools are described as paid, so a billing arrangement with the provider is implied.
Before you install
Both tools are marked paid, so calls may incur charges. Text and candidate data supplied to the tools is sent to the provider's remote service. No authentication method is declared in the manifest, so confirm how access and billing are tied to your account before use.

Installation

In SourceWeft

  1. Open ARBITER in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.

Use with an agent

Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.

Read https://sourceweft.com/mcp/fyi.grip%2Farbiter/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.

Read the install guide the agent follows

Other MCP clients

Add this to your client's mcpServers config.

{
  "mcpServers": {
    "arbiter": {
      "type": "http",
      "url": "https://api.grip.fyi/mcp"
    }
  }
}

Tools

2

arbiter_compare

Paid ARBITER finite-candidate measurement for contextual choice. Use when a caller already has an explicit candidate field and needs it ordered against a query, current state, intent, context, question, or perspective. query is the situation to measure. candidates is the finite caller-supplied field to order. top_k optionally limits returned results. Returns MCP text content containing the JSON result from POST /v1/compare with the supplied candidates ordered by measured coherence. Does not generate candidates or execute the selected action. Deterministic for identical inputs and engine state. Price: $0.01 USDC on Base per call. MCP identity: fyi.grip/arbiter.

Parametersqueryrequiredtop_kcandidatesrequired

arbiter_embed

Paid ARBITER deterministic persistent machine representation. Use when a caller needs representations of supplied text for storage, indexing, retrieval, clustering, reuse, or later comparison. Use arbiter_compare instead when an explicit finite candidate field needs ordering now. texts is one or more supplied strings. Returns MCP text content containing the JSON result from POST /v1/embed. Does not store, retrieve, update, delete, or rank records. Deterministic for identical inputs and engine state. Price: $0.01 USDC on Base per call. MCP identity: fyi.grip/arbiter.

Parameterstextsrequired

Version history

1
  1. v1.0.2LatestSep 16, 2026

Score

83% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

  • Reached in the last 30 daysRequired25 pts
  • Auth declaredRequired10 pts
  • Tools listedRequired15 pts
  • DescriptionRequired15 pts
  • Logo10 pts
  • Documentation15 pts

    Declare a GitHub repository with a README, or serve resource_documentation in the OAuth protected-resource metadata.

  • LicenseNot applicable

    A hosted service is used under its provider's terms, so no license is expected here. This check is left out of the percentage.

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