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altrsoftware

ALTR MCP Server

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by altrsoftware

vault_tokenize

Securely replaces sensitive plaintext values with vault tokens, enabling reversible detokenization while preserving data utility. Supports deterministic tokenization for consistent token mapping.

Instructions

Tokenize plaintext values using ALTR vaulted tokenization.

Replaces plaintext strings with vault tokens (format: vaultd_XXXX...). Tokens are stored in the ALTR vault and can be detokenized later. Deterministic tokenization produces the same token for the same input value.

Rate-limited to 492 requests/month and 50 requests/second. Maximum 4096 values per call. Each value must be under 1024 characters.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
valuesYesDict mapping user-defined keys to plaintext strings to tokenize (e.g. {"ssn": "123-45-6789", "email": "user@example.com"}).
deterministicNoIf True, the same plaintext always produces the same token. Default False (random token each time).

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description covers token format, storage for detokenization, deterministic vs. random, rate limits (492/month, 50/sec), max values (4096), and max character length (1024). It does not cover error behavior or authentication needs.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is very concise with five sentences, front-loading the action and including all necessary details without redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity and that an output schema exists, the description adequately covers tokenization process, constraints, and rate limits. It lacks details on error handling but is otherwise complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so schema already describes parameters. The description adds marginal value by explaining deterministic behavior ('same token for same input'), but for 'values' it mostly repeats the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool tokenizes plaintext into vault tokens, specifying the token format and storage. However, it does not differentiate from sibling 'critical_tokenize', leaving ambiguity about when to use which.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage for tokenization but gives no explicit guidance on when to prefer this tool over siblings like 'critical_tokenize' or 'vault_detokenize'. No prerequisites or when-not are mentioned.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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