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Add Issue Relationship

add_relationship

Adds a relationship between two MantisBT issues, specifying type such as duplicate, parent, child, or related, with directionality for dependencies.

Instructions

Add a relationship between two MantisBT issues.

Relationship types — use either type_id (numeric) or type_name (string):

  • 0 / "duplicate_of" — this issue is a duplicate of target

  • 1 / "related_to" — this issue is related to target

  • 2 / "parent_of" — this issue depends on target (target must be done first); alias: "depends_on"

  • 3 / "child_of" — this issue blocks target (target can't proceed until this is done); alias: "blocks"

  • 4 / "has_duplicate" — this issue has target as a duplicate

Directionality note: "A child_of B" means A blocks B. "A parent_of B" means A depends on B.

Dash variants (e.g. "related-to") are also accepted for type_name.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
type_idNoRelationship type ID: 0=duplicate_of, 1=related_to, 2=parent_of (depends on), 3=child_of (blocks), 4=has_duplicate. Use either type_id or type_name.
issue_idYesThe source issue ID (the one the relationship is added to)
target_idYesThe target issue ID
type_nameNoRelationship type name as alternative to type_id. Accepted: "duplicate_of", "related_to", "parent_of" (or "depends_on"), "child_of" (or "blocks"), "has_duplicate". Dash variants (e.g. "related-to") also work.
Behavior3/5

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

Annotations already indicate non-read-only, non-idempotent, non-destructive behavior. The description adds directionality details but no additional behavioral traits beyond what annotations imply.

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

Conciseness4/5

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

The description is well-structured with bullet points and front-loaded purpose, though slightly lengthy; every sentence serves a purpose given the complexity.

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

Completeness5/5

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

Given the tool's complexity (4 parameters, no output schema), the description is fully complete, covering all relationship types, aliases, directionality, and parameter alternatives without gaps.

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

Parameters4/5

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

Schema coverage is 100%, but the description adds significant value by explaining relationship type aliases, variants (e.g., dash), and directionality, which goes beyond the schema's minimal descriptions.

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

Purpose5/5

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

The description clearly states 'Add a relationship between two MantisBT issues.' with explicit verb and resource, and the detailed relationship types distinguish it from sibling tools like remove_relationship.

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

Usage Guidelines4/5

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

The description provides clear context for using the tool, including relationship types and directionality, but lacks explicit when-not-to-use or comparison with alternatives beyond mentioning remove_relationship.

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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